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Merge branches/quickjs to trunk. This is the way.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3621 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams
2021-01-02 18:10:00 +00:00
parent d293637741
commit 79022e1e1f
703 changed files with 419987 additions and 30640 deletions
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# Prerequisites
*.d
# Object files
*.o
*.ko
*.obj
*.elf
# Linker output
*.ilk
*.map
*.exp
# Precompiled Headers
*.gch
*.pch
# Libraries
*.lib
*.a
*.la
*.lo
# Shared objects (inc. Windows DLLs)
*.dll
*.so
*.so.*
*.dylib
# Executables
*.exe
*.out
*.app
*.i*86
*.x86_64
*.hex
# Debug files
*.dSYM/
*.su
*.idb
*.pdb
# Kernel Module Compile Results
*.mod*
*.cmd
.tmp_versions/
modules.order
Module.symvers
Mkfile.old
dkms.conf
# http://www.gnu.org/software/automake
Makefile
Makefile.in
/ar-lib
/mdate-sh
/py-compile
/test-driver
/ylwrap
# http://www.gnu.org/software/autoheader
config.h
# http://www.gnu.org/software/autoconf
autom4te.cache
/autoscan.log
/autoscan-*.log
/aclocal.m4
/compile
/config.guess
/config.h.in
/config.log
/config.status
/config.sub
/configure
/configure.scan
/depcomp
/install-sh
/missing
/stamp-h1
# https://www.gnu.org/software/libtool/
/ltmain.sh
# http://www.gnu.org/software/texinfo
/texinfo.tex
# http://www.gnu.org/software/m4/
m4/libtool.m4
m4/ltoptions.m4
m4/ltsugar.m4
m4/ltversion.m4
m4/lt~obsolete.m4
# vim
*.swp
# project specific
test/gen
test/test[0-9]*
test/.deps

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BSD 3-Clause License
Copyright (c) 2018, Sean Hanna
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of the copyright holder nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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AUTOMAKE_OPTIONS = foreign
SUBDIRS = src test

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# base64c
This is primarily just a fork of a base64 decoder from the FreeBSD codebase. It has received a few modifications:
* removed all allocations, you are expected to pass in a buffer that has sufficient space and you will get an error (-1) if you run out of space
* replaced a dynamically generated lookup table with a hardcoded lookup table
* wrote my own unit tests, i'm sure there are tests for freebsd somewhere but i didn't find them
# Embedding
This code is primarily intended to be dropped into an existing code base ( or perhaps using submodules). To do that:
* grab include/base64c.h
* grab src/base64c.h
# Usage
Call base64c_encoding_length() to calculate how big a buffer you need to encode a string. It's somewhere around 4 times the size of the input string. This length includes a null terminator.
```c
char input_string[256];
size_t new_len = base64c_encoding_length( strlen(input_string));
unsigned char *buffer = (unsigned char*)malloc(new_len);
```
Call base64c_encode() to actually encode your input string as base64. It will write to the buffer and return how many characters were written. If there was an error it will return -1.
```c
size_t output_length = base64c_encode(input_string, strlen(input_string), buffer, new_len);
if (output_length == -1) {
int x = 1/0; // ERROR!
}
```
Call base64c_decoding_length() to calculate how big a buffer you need to decode. It comes out to about half the size. This number isn't always exact, but it is close to within a byte or two.
```c
size_t decode_len = base64c_decoding_length( strlen(buffer) );
unsigned char *decoded = (unsigned char*)malloc( decode_len );
```
Call base64c_decode() to decode an encoded base64 string. It will write to the buffer and return how many characters were written. IF there was an error it will return -1. If the string contains invalid number of characters, or has any characters that are not part of the base64 character set an error will be returned.
# Building
You need to bootstrap all the autoconf tools by running ./autogen.sh
You need to have autoconf installed to do this.
Once bootstrapped run ./configure
# Tests
There are tests in the test/ subfolder. They will be built automatically. There is no special test runner. You can run each of the test cases manually to check whether the code is working properly.
# References
(http://web.mit.edu/freebsd/head/contrib/wpa/src/utils/base64.c)
(https://github.com/freebsd/freebsd/blob/master/contrib/wpa/src/utils/base64.c)

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#!/bin/sh
aclocal && automake --gnu --add-missing && autoconf

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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
BASE64C_VERSION=0.5
AC_PREREQ([2.69])
AC_INIT(base64c, 0.5, hannasm@gmail.com)
AM_INIT_AUTOMAKE(base64c, 0.5)
AC_CONFIG_SRCDIR([include/base64c.h])
AC_CONFIG_HEADERS([config.h])
# Checks for programs.
AC_PROG_CC
# Checks for libraries.
# Checks for header files.
# Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_SIZE_T
# Checks for library functions.
AC_OUTPUT(Makefile src/Makefile test/Makefile)

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#ifndef base64cC_H
#define base64cC_H
#include <stddef.h>
#include <stdint.h>
/**
* base64c_encoding_length - calculate length to allocate for encode
* @len: Length of input string
* Returns: number of bytes required to base64c encode, this includes room for '\0' terminator
*/
size_t base64c_encoding_length(size_t len);
/**
* base64c_decoding_length - calculate length to allocate for decode
* @len: Length of (base64 encoded) input string
* Returns: maximum number of bytes required to decode
*/
size_t base64c_decoding_length(size_t inlen);
/**
* base64c_encode - base64c encode
* @src: Data to be encoded
* @len: Length of the data to be encoded
* @out: Mutable output buffer destination, all encoded bytes will be written to the destination
* @out_len: length of output buffer
* Returns: number of bytes written, or -1 if there was an error
*/
size_t base64c_encode(const unsigned char *src, size_t len, unsigned char* out, const size_t out_len);
/**
* base64c_decode - base64c decode
* @src: Data to be decoded
* @len: Length of the data to be decoded
* @out_len: Pointer to output length variable
* Returns: Allocated buffer of out_len bytes of decoded data,
* or %NULL on failure
*
* Caller is responsible for freeing the returned buffer.
*/
size_t base64c_decode(const unsigned char *src, size_t len, unsigned char *out, const size_t out_len);
#endif

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CFLAGS = --pednatic -Wall -stdc99 -O2
LDFLAGS =

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#include <string.h>
#include <stdio.h>
/*
* Base64 encoding/decoding (RFC1341)
* Copyright (c) 2005-2011, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
static const unsigned char base64c_table[65] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
static const unsigned char base64c_dtable[256] = {
/*000*/0x80,/*001*/0x80,/*002*/0x80,/*003*/0x80,/*004*/0x80,/*005*/0x80,/*006*/0x80,/*007*/0x80,/*008*/0x80,/*009*/0x80,/*010*/0x80,/*011*/0x80,/*012*/0x80,/*013*/0x80,/*014*/0x80,/*015*/0x80,/*016*/0x80,/*017*/0x80,/*018*/0x80,/*019*/0x80,
/*020*/0x80,/*021*/0x80,/*022*/0x80,/*023*/0x80,/*024*/0x80,/*025*/0x80,/*026*/0x80,/*027*/0x80,/*028*/0x80,/*029*/0x80,/*030*/0x80,/*031*/0x80,/*032*/0x80,/*033*/0x80,/*034*/0x80,/*035*/0x80,/*036*/0x80,/*037*/0x80,/*038*/0x80,/*039*/0x80,
/*040*/0x80,/*041*/0x80,/*042*/0x80,/*043*/0x3e,/*044*/0x80,/*045*/0x80,/*046*/0x80,/*047*/0x3f,/*048*/0x34,/*049*/0x35,/*050*/0x36,/*051*/0x37,/*052*/0x38,/*053*/0x39,/*054*/0x3a,/*055*/0x3b,/*056*/0x3c,/*057*/0x3d,/*058*/0x80,/*059*/0x80,
/*060*/0x80,/*061*/0x00,/*062*/0x80,/*063*/0x80,/*064*/0x80,/*065*/0x00,/*066*/0x01,/*067*/0x02,/*068*/0x03,/*069*/0x04,/*070*/0x05,/*071*/0x06,/*072*/0x07,/*073*/0x08,/*074*/0x09,/*075*/0x0a,/*076*/0x0b,/*077*/0x0c,/*078*/0x0d,/*079*/0x0e,
/*080*/0x0f,/*081*/0x10,/*082*/0x11,/*083*/0x12,/*084*/0x13,/*085*/0x14,/*086*/0x15,/*087*/0x16,/*088*/0x17,/*089*/0x18,/*090*/0x19,/*091*/0x80,/*092*/0x80,/*093*/0x80,/*094*/0x80,/*095*/0x80,/*096*/0x80,/*097*/0x1a,/*098*/0x1b,/*099*/0x1c,
/*100*/0x1d,/*101*/0x1e,/*102*/0x1f,/*103*/0x20,/*104*/0x21,/*105*/0x22,/*106*/0x23,/*107*/0x24,/*108*/0x25,/*109*/0x26,/*110*/0x27,/*111*/0x28,/*112*/0x29,/*113*/0x2a,/*114*/0x2b,/*115*/0x2c,/*116*/0x2d,/*117*/0x2e,/*118*/0x2f,/*119*/0x30,
/*120*/0x31,/*121*/0x32,/*122*/0x33,/*123*/0x80,/*124*/0x80,/*125*/0x80,/*126*/0x80,/*127*/0x80,/*128*/0x80,/*129*/0x80,/*130*/0x80,/*131*/0x80,/*132*/0x80,/*133*/0x80,/*134*/0x80,/*135*/0x80,/*136*/0x80,/*137*/0x80,/*138*/0x80,/*139*/0x80,
/*140*/0x80,/*141*/0x80,/*142*/0x80,/*143*/0x80,/*144*/0x80,/*145*/0x80,/*146*/0x80,/*147*/0x80,/*148*/0x80,/*149*/0x80,/*150*/0x80,/*151*/0x80,/*152*/0x80,/*153*/0x80,/*154*/0x80,/*155*/0x80,/*156*/0x80,/*157*/0x80,/*158*/0x80,/*159*/0x80,
/*160*/0x80,/*161*/0x80,/*162*/0x80,/*163*/0x80,/*164*/0x80,/*165*/0x80,/*166*/0x80,/*167*/0x80,/*168*/0x80,/*169*/0x80,/*170*/0x80,/*171*/0x80,/*172*/0x80,/*173*/0x80,/*174*/0x80,/*175*/0x80,/*176*/0x80,/*177*/0x80,/*178*/0x80,/*179*/0x80,
/*180*/0x80,/*181*/0x80,/*182*/0x80,/*183*/0x80,/*184*/0x80,/*185*/0x80,/*186*/0x80,/*187*/0x80,/*188*/0x80,/*189*/0x80,/*190*/0x80,/*191*/0x80,/*192*/0x80,/*193*/0x80,/*194*/0x80,/*195*/0x80,/*196*/0x80,/*197*/0x80,/*198*/0x80,/*199*/0x80,
/*200*/0x80,/*201*/0x80,/*202*/0x80,/*203*/0x80,/*204*/0x80,/*205*/0x80,/*206*/0x80,/*207*/0x80,/*208*/0x80,/*209*/0x80,/*210*/0x80,/*211*/0x80,/*212*/0x80,/*213*/0x80,/*214*/0x80,/*215*/0x80,/*216*/0x80,/*217*/0x80,/*218*/0x80,/*219*/0x80,
/*220*/0x80,/*221*/0x80,/*222*/0x80,/*223*/0x80,/*224*/0x80,/*225*/0x80,/*226*/0x80,/*227*/0x80,/*228*/0x80,/*229*/0x80,/*230*/0x80,/*231*/0x80,/*232*/0x80,/*233*/0x80,/*234*/0x80,/*235*/0x80,/*236*/0x80,/*237*/0x80,/*238*/0x80,/*239*/0x80,
/*240*/0x80,/*241*/0x80,/*242*/0x80,/*243*/0x80,/*244*/0x80,/*245*/0x80,/*246*/0x80,/*247*/0x80,/*248*/0x80,/*249*/0x80,/*250*/0x80,/*251*/0x80,/*252*/0x80,/*253*/0x80,/*254*/0x80,/*255*/0x00,
};
size_t base64c_encoding_length(size_t len) {
size_t olen = len * 4 / 3 + 4; /* 3-byte blocks to 4-byte */
olen++; /* nul termination */
if (olen < len)
return 0; /* integer overflow */
return olen;
}
size_t base64c_encode(const unsigned char *src, size_t len,
unsigned char* out, const size_t out_len)
{
unsigned char *pos;
const unsigned char *end, *in;
const unsigned char *out_end = out + out_len;
end = src + len;
in = src;
pos = out;
if (out_len < base64c_encoding_length(len)) { return -1; }
while (end - in >= 3 ) {
*pos++ = base64c_table[in[0] >> 2];
*pos++ = base64c_table[((in[0] & 0x03) << 4) | (in[1] >> 4)];
*pos++ = base64c_table[((in[1] & 0x0f) << 2) | (in[2] >> 6)];
*pos++ = base64c_table[in[2] & 0x3f];
in += 3;
}
if (end - in) {
*pos++ = base64c_table[in[0] >> 2];
if (end - in == 1) {
*pos++ = base64c_table[(in[0] & 0x03) << 4];
*pos++ = '=';
} else {
*pos++ = base64c_table[((in[0] & 0x03) << 4) | (in[1] >> 4)];
*pos++ = base64c_table[(in[1] & 0x0f) << 2];
}
*pos++ = '=';
}
*pos = '\0';
return out_len - (out_end-pos);
}
size_t base64c_decoding_length(size_t inlen) {
return inlen / 4 * 3;
}
size_t base64c_decode(const unsigned char *src, size_t len, unsigned char *out, const size_t out_len)
{
if (out == NULL) { return 0; }
if (out_len <= 0) { return 0; }
unsigned char *pos, block[4], tmp;
size_t i, count;
int pad = 0;
if (len == 0 ){
*out = '\0';
return 1;
}
if (len % 4) {
return -1;
}
pos = out;
count = 0;
for (i = 0; i < len; i++) {
if (src[i] == '=') { pad++; }
tmp = base64c_dtable[src[i]];
if (tmp == 0x80) { return -1; }
block[count] = tmp;
count++;
if (count == 4) {
switch (pad) {
case 0:
if ((pos - out) + 3 > out_len) {
return -1;
}
*pos++ = (block[0] << 2) | (block[1] >> 4);
*pos++ = (block[1] << 4) | (block[2] >> 2);
*pos++ = (block[2] << 6) | block[3];
break;
case 1:
if ((pos - out) + 2 > out_len || i + 1 > len) {
return -1;
}
*pos++ = (block[0] << 2) | (block[1] >> 4);
*pos++ = (block[1] << 4) | (block[2] >> 2);
break;
case 2:
if ((pos - out) + 1 > out_len || i + 1 > len) {
return -1;
}
*pos++ = (block[0] << 2) | (block[1] >> 4);
break;
default:
break;
}
count = 0;
}
}
return pos - out;
}

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CFLAGS = --pedantic -Wall -std=c99 -g -ggdb
LDFLAGS =
bin_PROGRAMS = test001 test002 test003 test004 \
test005 test006 test007 test008 \
gen
test001_SOURCES = test001.c ../src/base64c.c
test002_SOURCES = test002.c ../src/base64c.c
test003_SOURCES = test003.c ../src/base64c.c
test004_SOURCES = test004.c ../src/base64c.c
test005_SOURCES = test005.c ../src/base64c.c
test006_SOURCES = test006.c ../src/base64c.c
test007_SOURCES = test007.c ../src/base64c.c
test008_SOURCES = test008.c ../src/base64c.c
gen_SOURCES = gen.c

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#include <stdio.h>
#include <string.h>
static const unsigned char base64_table[65] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
int main() {
unsigned char out[256];
memset(out, 0x80, 255);
for (int i = 0; i < 64; i++) {
out[base64_table[i]] = i;
}
out['='] = 0;
printf("static const unsigned char base64c_dtable[256] = {");
for (int i = 0; i < 256; i++) {
if (i% 20==0) { printf("\n"); }
printf("/*%03d*/0x%02x,", i, out[i]);
}
printf("\n};");
}

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#include "../include/base64c.h"
#include <stdio.h>
#include <string.h>
int main(int argc, char *argv[]) {
unsigned char in[12] = "Hello World";
size_t in_len = 11;
unsigned char enc[32];
size_t enc_len = 32;
unsigned char out[12];
size_t out_len = 12;
printf("Encoding %lu - %s\n", in_len, in);
size_t enc_result = base64c_encode(in, in_len, enc, enc_len);
printf("Encoded %lu - %s\n", enc_result, enc);
size_t dec_result = base64c_decode(enc, enc_result, out, out_len);
if ((long)dec_result < 0) {
printf("Decode failed with code %ld\n", (long)dec_result);
return 1;
}
printf("Decoded %lu - %s\n", dec_result, out);
if (dec_result != in_len) {
printf("in length %ld not equal to out length %ld", in_len, dec_result);
return 3;
}
if (strncmp((char*)in, (char*)out, in_len)) {
printf("roundtrip encoding failed\n");
return 2;
}
}

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#include "../include/base64c.h"
#include <stdio.h>
#include <string.h>
int main(int argc, char *argv[]) {
unsigned char in[11] = "Hello Worl";
size_t in_len = 10;
unsigned char enc[32];
size_t enc_len = 32;
unsigned char out[12];
size_t out_len = 12;
printf("Encoding %lu - %s\n", in_len, in);
size_t enc_result = base64c_encode(in, in_len, enc, enc_len);
printf("Encoded %lu - %s\n", enc_result, enc);
size_t dec_result = base64c_decode(enc, enc_result, out, out_len);
if ((long)dec_result < 0) {
printf("Decode failed with code %ld\n", (long)dec_result);
return 1;
}
printf("Decoded %lu - %s\n", dec_result, out);
if (dec_result != in_len) {
printf("in length %ld not equal to out length %ld", in_len, dec_result);
return 3;
}
if (strncmp((char*)in, (char*)out, in_len)) {
printf("roundtrip encoding failed\n");
return 2;
}
}

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#include "../include/base64c.h"
#include <stdio.h>
#include <string.h>
int main(int argc, char *argv[]) {
unsigned char in[10] = "Hello Wor";
size_t in_len = 9;
unsigned char enc[32];
size_t enc_len = 32;
unsigned char out[12];
size_t out_len = 12;
printf("Encoding %lu - %s\n", in_len, in);
size_t enc_result = base64c_encode(in, in_len, enc, enc_len);
printf("Encoded %lu - %s\n", enc_result, enc);
size_t dec_result = base64c_decode(enc, enc_result, out, out_len);
if ((long)dec_result < 0) {
printf("Decode failed with code %ld\n", (long)dec_result);
return 1;
}
printf("Decoded %lu - %s\n", dec_result, out);
if (dec_result != in_len) {
printf("in length %ld not equal to out length %ld", in_len, dec_result);
return 3;
}
if (strncmp((char*)in, (char*)out, in_len)) {
printf("roundtrip encoding failed\n");
return 2;
}
}

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#include "../include/base64c.h"
#include <stdio.h>
#include <string.h>
int main(int argc, char *argv[]) {
unsigned char in[10] = "Hello Wo";
size_t in_len = 8;
unsigned char enc[32];
size_t enc_len = 32;
unsigned char out[12];
size_t out_len = 12;
printf("Encoding %lu - %s\n", in_len, in);
size_t enc_result = base64c_encode(in, in_len, enc, enc_len);
printf("Encoded %lu - %s\n", enc_result, enc);
size_t dec_result = base64c_decode(enc, enc_result, out, out_len);
if ((long)dec_result < 0) {
printf("Decode failed with code %ld\n", (long)dec_result);
return 1;
}
printf("Decoded %lu - %s\n", dec_result, out);
if (dec_result != in_len) {
printf("in length %ld not equal to out length %ld", in_len, dec_result);
return 3;
}
if (strncmp((char*)in, (char*)out, in_len)) {
printf("roundtrip encoding failed\n");
return 2;
}
}

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#include "../include/base64c.h"
#include <stdio.h>
#include <string.h>
int main(int argc, char *argv[]) {
unsigned char in[13] = "Hello Worlds";
size_t in_len = 12;
unsigned char enc[32];
size_t enc_len = 32;
unsigned char out[13];
size_t out_len = 13;
printf("Encoding %lu - %s\n", in_len, in);
size_t enc_result = base64c_encode(in, in_len, enc, enc_len);
printf("Encoded %lu - %s\n", enc_result, enc);
size_t dec_result = base64c_decode(enc, enc_result, out, out_len);
if ((long)dec_result < 0) {
printf("Decode failed with code %ld\n", (long)dec_result);
return 1;
}
printf("Decoded %lu - %s\n", dec_result, out);
if (dec_result != in_len) {
printf("in length %ld not equal to out length %ld", in_len, dec_result);
return 3;
}
if (strncmp((char*)in, (char*)out, in_len)) {
printf("roundtrip encoding failed\n");
return 2;
}
}

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#include "../include/base64c.h"
#include <stdio.h>
#include <string.h>
int main(int argc, char *argv[]) {
unsigned char in[14] = "Hello Worldsy";
size_t in_len = 13;
unsigned char enc[32];
size_t enc_len = 32;
unsigned char out[15];
size_t out_len = 15;
printf("Encoding %lu - %s\n", in_len, in);
size_t enc_result = base64c_encode(in, in_len, enc, enc_len);
printf("Encoded %lu - %s\n", enc_result, enc);
size_t dec_result = base64c_decode(enc, enc_result, out, out_len);
if ((long)dec_result < 0) {
printf("Decode failed with code %ld\n", (long)dec_result);
return 1;
}
printf("Decoded %lu - %s\n", dec_result, out);
if (dec_result != in_len) {
printf("in length %ld not equal to out length %ld", in_len, dec_result);
return 3;
}
if (strncmp((char*)in, (char*)out, in_len)) {
printf("roundtrip encoding failed\n");
return 2;
}
}

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#include "../include/base64c.h"
#include <stdio.h>
#include <string.h>
int main(int argc, char *argv[]) {
unsigned char in[15] = "Hello World of";
size_t in_len = 14;
unsigned char enc[32];
size_t enc_len = 32;
unsigned char out[15];
size_t out_len = 15;
printf("Encoding %lu - %s\n", in_len, in);
size_t enc_result = base64c_encode(in, in_len, enc, enc_len);
printf("Encoded %lu - %s\n", enc_result, enc);
size_t dec_result = base64c_decode(enc, enc_result, out, out_len);
if ((long)dec_result < 0) {
printf("Decode failed with code %ld\n", (long)dec_result);
return 1;
}
printf("Decoded %lu - %s\n", dec_result, out);
if (dec_result != in_len) {
printf("in length %ld not equal to out length %ld", in_len, dec_result);
return 3;
}
if (strncmp((char*)in, (char*)out, in_len)) {
printf("roundtrip encoding failed\n");
return 2;
}
}

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#include "../include/base64c.h"
#include <stdio.h>
#include <string.h>
int main(int argc, char *argv[]) {
unsigned char in[10] = "H";
size_t in_len = 1;
unsigned char enc[32];
size_t enc_len = 32;
unsigned char out[12];
size_t out_len = 12;
printf("Encoding %lu - %s\n", in_len, in);
size_t enc_result = base64c_encode(in, in_len, enc, enc_len);
printf("Encoded %lu - %s\n", enc_result, enc);
size_t dec_result = base64c_decode(enc, enc_result, out, out_len);
if ((long)dec_result < 0) {
printf("Decode failed with code %ld\n", (long)dec_result);
return 1;
}
printf("Decoded %lu - %s\n", dec_result, out);
if (dec_result != in_len) {
printf("in length %ld not equal to out length %ld", in_len, dec_result);
return 3;
}
if (strncmp((char*)in, (char*)out, in_len)) {
printf("roundtrip encoding failed\n");
return 2;
}
}

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New versions of this package (crypt_blowfish):
http://www.openwall.com/crypt/
A paper on the algorithm that explains its design decisions:
http://www.usenix.org/events/usenix99/provos.html
Unix Seventh Edition Manual, Volume 2: the password scheme (1978):
http://plan9.bell-labs.com/7thEdMan/vol2/password
The Openwall GNU/*/Linux (Owl) tcb suite implementing the alternative
password shadowing scheme. This includes a PAM module which
supersedes pam_unix and uses the password hashing framework provided
with crypt_blowfish when setting new passwords.
http://www.openwall.com/tcb/
pam_passwdqc, a password strength checking and policy enforcement
module for PAM-aware password changing programs:
http://www.openwall.com/passwdqc/
John the Ripper password cracker:
http://www.openwall.com/john/
$Owl: Owl/packages/glibc/crypt_blowfish/LINKS,v 1.4 2005/11/16 13:09:47 solar Exp $

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#
# Written and revised by Solar Designer <solar at openwall.com> in 2000-2011.
# No copyright is claimed, and the software is hereby placed in the public
# domain. In case this attempt to disclaim copyright and place the software
# in the public domain is deemed null and void, then the software is
# Copyright (c) 2000-2011 Solar Designer and it is hereby released to the
# general public under the following terms:
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted.
#
# There's ABSOLUTELY NO WARRANTY, express or implied.
#
# See crypt_blowfish.c for more information.
#
CC = gcc
AS = $(CC)
LD = $(CC)
RM = rm -f
CFLAGS = -W -Wall -Wbad-function-cast -Wcast-align -Wcast-qual -Wmissing-prototypes -Wstrict-prototypes -Wshadow -Wundef -Wpointer-arith -O2 -fomit-frame-pointer -funroll-loops
ASFLAGS = -c
LDFLAGS = -s
BLOWFISH_OBJS = \
crypt_blowfish.o x86.o
CRYPT_OBJS = \
$(BLOWFISH_OBJS) crypt_gensalt.o wrapper.o
TEST_OBJS = \
$(BLOWFISH_OBJS) crypt_gensalt.o crypt_test.o
TEST_THREADS_OBJS = \
$(BLOWFISH_OBJS) crypt_gensalt.o crypt_test_threads.o
EXTRA_MANS = \
crypt_r.3 crypt_rn.3 crypt_ra.3 \
crypt_gensalt.3 crypt_gensalt_rn.3 crypt_gensalt_ra.3
all: $(CRYPT_OBJS) man
check: crypt_test
./crypt_test
crypt_test: $(TEST_OBJS)
$(LD) $(LDFLAGS) $(TEST_OBJS) -o $@
crypt_test.o: wrapper.c ow-crypt.h crypt_blowfish.h crypt_gensalt.h
$(CC) -c $(CFLAGS) wrapper.c -DTEST -o $@
check_threads: crypt_test_threads
./crypt_test_threads
crypt_test_threads: $(TEST_THREADS_OBJS)
$(LD) $(LDFLAGS) $(TEST_THREADS_OBJS) -lpthread -o $@
crypt_test_threads.o: wrapper.c ow-crypt.h crypt_blowfish.h crypt_gensalt.h
$(CC) -c $(CFLAGS) wrapper.c -DTEST -DTEST_THREADS=4 -o $@
man: $(EXTRA_MANS)
$(EXTRA_MANS):
echo '.so man3/crypt.3' > $@
crypt_blowfish.o: crypt_blowfish.h
crypt_gensalt.o: crypt_gensalt.h
wrapper.o: crypt.h ow-crypt.h crypt_blowfish.h crypt_gensalt.h
.c.o:
$(CC) -c $(CFLAGS) $*.c
.S.o:
$(AS) $(ASFLAGS) $*.S
clean:
$(RM) crypt_test crypt_test_threads *.o $(EXTRA_MANS) core

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These numbers are for 32 iterations ("$2a$05"):
OpenBSD 3.0 bcrypt(*) crypt_blowfish 0.4.4
Pentium III, 840 MHz 99 c/s 121 c/s (+22%)
Alpha 21164PC, 533 MHz 55.5 c/s 76.9 c/s (+38%)
UltraSparc IIi, 400 MHz 49.9 c/s 52.5 c/s (+5%)
Pentium, 120 MHz 8.8 c/s 20.1 c/s (+128%)
PA-RISC 7100LC, 80 MHz 8.5 c/s 16.3 c/s (+92%)
(*) built with -fomit-frame-pointer -funroll-loops, which I don't
think happens for libcrypt.
Starting with version 1.1 released in June 2011, default builds of
crypt_blowfish invoke a quick self-test on every hash computation.
This has roughly a 4.8% performance impact at "$2a$05", but only a 0.6%
impact at a more typical setting of "$2a$08".
The large speedup for the original Pentium is due to the assembly
code and the weird optimizations this processor requires.
The numbers for password cracking are 2 to 10% higher than those for
crypt_blowfish as certain things may be done out of the loop and the
code doesn't need to be reentrant.
Recent versions of John the Ripper (1.6.25-dev and newer) achieve an
additional 15% speedup on the Pentium Pro family of processors (which
includes Pentium III) with a separate version of the assembly code and
run-time CPU detection.
$Owl: Owl/packages/glibc/crypt_blowfish/PERFORMANCE,v 1.6 2011/06/21 12:09:20 solar Exp $

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This is an implementation of a password hashing method, provided via the
crypt(3) and a reentrant interface. It is fully compatible with
OpenBSD's bcrypt.c for prefix "$2b$", originally by Niels Provos and
David Mazieres. (Please refer to the included crypt(3) man page for
information on minor compatibility issues for other bcrypt prefixes.)
I've placed this code in the public domain, with fallback to a
permissive license. Please see the comment in crypt_blowfish.c for
more information.
You can use the provided routines in your own packages, or link them
into a C library. I've provided hooks for linking into GNU libc, but
it shouldn't be too hard to get this into another C library. Note
that simply adding this code into your libc is probably not enough to
make your system use the new password hashing algorithm. Changes to
passwd(1), PAM modules, or whatever else your system uses will likely
be needed as well. These are not a part of this package, but see
LINKS for a pointer to our tcb suite.
Instructions on using the routines in one of the two common ways are
given below. It is recommended that you test the routines on your
system before you start. Type "make check" or "make check_threads"
(if you have the POSIX threads library), then "make clean".
1. Using the routines in your programs.
The available interfaces are in ow-crypt.h, and this is the file you
should include. You won't need crypt.h. When linking, add all of the
C files and x86.S (you can compile and link it even on a non-x86, it
will produce no code in this case).
2. Building the routines into GNU C library.
For versions 2.13 and 2.14 (and likely other nearby ones), extract the
library sources as usual. Apply the patch for glibc 2.14 provided in
this package. Enter crypt/ and rename crypt.h to gnu-crypt.h within
that directory. Copy the C sources, header, and assembly (x86.S) files
from this package in there as well (but be sure you don't overwrite the
Makefile). Configure, build, and install the library as usual.
For versions 2.2 to 2.3.6 (and likely also for some newer ones),
extract the library sources and maybe its optional add-ons as usual.
Apply the patch for glibc 2.3.6 provided in this package. Enter
crypt/ and rename crypt.h to gnu-crypt.h within that directory. Copy
the C sources, header, and assembly (x86.S) files from this package in
there as well (but be sure you don't overwrite the Makefile).
Configure, build, and install the library as usual.
For versions 2.1 to 2.1.3, extract the library sources and the crypt
and linuxthreads add-ons as usual. Apply the patch for glibc 2.1.3
provided in this package. Enter crypt/sysdeps/unix/, and rename
crypt.h to gnu-crypt.h within that directory. Copy C sources, header,
and assembly (x86.S) files from this package in there as well (but be
sure you don't overwrite the Makefile). Configure, build, and install
the library as usual.
Programs that want to use the provided interfaces will need to include
crypt.h (but not ow-crypt.h directly). By default, prototypes for the
new routines aren't defined (but the extra functionality of crypt(3)
is indeed available). You need to define _OW_SOURCE to obtain the new
routines as well.
--
Solar Designer <solar at openwall.com>
$Owl: Owl/packages/glibc/crypt_blowfish/README,v 1.10 2014/07/07 15:19:04 solar Exp $

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.\" Written and revised by Solar Designer <solar at openwall.com> in 2000-2011.
.\" No copyright is claimed, and this man page is hereby placed in the public
.\" domain. In case this attempt to disclaim copyright and place the man page
.\" in the public domain is deemed null and void, then the man page is
.\" Copyright (c) 2000-2011 Solar Designer and it is hereby released to the
.\" general public under the following terms:
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted.
.\"
.\" There's ABSOLUTELY NO WARRANTY, express or implied.
.\"
.\" This manual page in its current form is intended for use on systems
.\" based on the GNU C Library with crypt_blowfish patched into libcrypt.
.\"
.TH CRYPT 3 "July 7, 2014" "Openwall Project" "Library functions"
.ad l
.\" No macros in NAME to keep makewhatis happy.
.SH NAME
\fBcrypt\fR, \fBcrypt_r\fR, \fBcrypt_rn\fR, \fBcrypt_ra\fR,
\fBcrypt_gensalt\fR, \fBcrypt_gensalt_rn\fR, \fBcrypt_gensalt_ra\fR
\- password hashing
.SH SYNOPSIS
.B #define _XOPEN_SOURCE
.br
.B #include <unistd.h>
.sp
.in +8
.ti -8
.BI "char *crypt(const char *" key ", const char *" setting );
.in -8
.sp
.B #define _GNU_SOURCE
.br
.B #include <crypt.h>
.sp
.in +8
.ti -8
.BI "char *crypt_r(const char *" key ", const char *" setting ", struct crypt_data *" data );
.in -8
.sp
.B #define _OW_SOURCE
.br
.B #include <crypt.h>
.sp
.in +8
.ti -8
.BI "char *crypt_rn(const char *" key ", const char *" setting ", void *" data ", int " size );
.ti -8
.BI "char *crypt_ra(const char *" key ", const char *" setting ", void **" data ", int *" size );
.ti -8
.BI "char *crypt_gensalt(const char *" prefix ", unsigned long " count ", const char *" input ", int " size );
.ti -8
.BI "char *crypt_gensalt_rn(const char *" prefix ", unsigned long " count ", const char *" input ", int " size ", char *" output ", int " output_size );
.ti -8
.BI "char *crypt_gensalt_ra(const char *" prefix ", unsigned long " count ", const char *" input ", int " size );
.ad b
.de crypt
.BR crypt ,
.BR crypt_r ,
.BR crypt_rn ", \\$1"
.ie "\\$2"" .B crypt_ra
.el .BR crypt_ra "\\$2"
..
.de crypt_gensalt
.BR crypt_gensalt ,
.BR crypt_gensalt_rn ", \\$1"
.ie "\\$2"" .B crypt_gensalt_ra
.el .BR crypt_gensalt_ra "\\$2"
..
.SH DESCRIPTION
The
.crypt and
functions calculate a cryptographic hash function of
.I key
with one of a number of supported methods as requested with
.IR setting ,
which is also used to pass a salt and possibly other parameters to
the chosen method.
The hashing methods are explained below.
.PP
Unlike
.BR crypt ,
the functions
.BR crypt_r ,
.BR crypt_rn " and"
.B crypt_ra
are reentrant.
They place their result and possibly their private data in a
.I data
area of
.I size
bytes as passed to them by an application and/or in memory they
allocate dynamically. Some hashing algorithms may use the data area to
cache precomputed intermediate values across calls. Thus, applications
must properly initialize the data area before its first use.
.B crypt_r
requires that only
.I data->initialized
be reset to zero;
.BR crypt_rn " and " crypt_ra
require that either the entire data area is zeroed or, in the case of
.BR crypt_ra ,
.I *data
is NULL. When called with a NULL
.I *data
or insufficient
.I *size
for the requested hashing algorithm,
.B crypt_ra
uses
.BR realloc (3)
to allocate the required amount of memory dynamically. Thus,
.B crypt_ra
has the additional requirement that
.IR *data ,
when non-NULL, must point to an area allocated either with a previous
call to
.B crypt_ra
or with a
.BR malloc (3)
family call.
The memory allocated by
.B crypt_ra
should be freed with
.BR free "(3)."
.PP
The
.crypt_gensalt and
functions compile a string for use as
.I setting
\- with the given
.I prefix
(used to choose a hashing method), the iteration
.I count
(if supported by the chosen method) and up to
.I size
cryptographically random
.I input
bytes for use as the actual salt.
If
.I count
is 0, a low default will be picked.
The random bytes may be obtained from
.BR /dev/urandom .
Unlike
.BR crypt_gensalt ,
the functions
.BR crypt_gensalt_rn " and " crypt_gensalt_ra
are reentrant.
.B crypt_gensalt_rn
places its result in the
.I output
buffer of
.I output_size
bytes.
.B crypt_gensalt_ra
allocates memory for its result dynamically. The memory should be
freed with
.BR free "(3)."
.SH RETURN VALUE
Upon successful completion, the functions
.crypt and
return a pointer to a string containing the setting that was actually used
and a printable encoding of the hash function value.
The entire string is directly usable as
.I setting
with other calls to
.crypt and
and as
.I prefix
with calls to
.crypt_gensalt and .
.PP
The behavior of
.B crypt
on errors isn't well standardized. Some implementations simply can't fail
(unless the process dies, in which case they obviously can't return),
others return NULL or a fixed string. Most implementations don't set
.IR errno ,
but some do. SUSv2 specifies only returning NULL and setting
.I errno
as a valid behavior, and defines only one possible error
.RB "(" ENOSYS ,
"The functionality is not supported on this implementation.")
Unfortunately, most existing applications aren't prepared to handle
NULL returns from
.BR crypt .
The description below corresponds to this implementation of
.BR crypt " and " crypt_r
only, and to
.BR crypt_rn " and " crypt_ra .
The behavior may change to match standards, other implementations or
existing applications.
.PP
.BR crypt " and " crypt_r
may only fail (and return) when passed an invalid or unsupported
.IR setting ,
in which case they return a pointer to a magic string that is
shorter than 13 characters and is guaranteed to differ from
.IR setting .
This behavior is safe for older applications which assume that
.B crypt
can't fail, when both setting new passwords and authenticating against
existing password hashes.
.BR crypt_rn " and " crypt_ra
return NULL to indicate failure. All four functions set
.I errno
when they fail.
.PP
The functions
.crypt_gensalt and
return a pointer to the compiled string for
.IR setting ,
or NULL on error in which case
.I errno
is set.
.SH ERRORS
.TP
.B EINVAL
.crypt "" :
.I setting
is invalid or not supported by this implementation;
.sp
.crypt_gensalt "" :
.I prefix
is invalid or not supported by this implementation;
.I count
is invalid for the requested
.IR prefix ;
the input
.I size
is insufficient for the smallest valid salt with the requested
.IR prefix ;
.I input
is NULL.
.TP
.B ERANGE
.BR crypt_rn :
the provided data area
.I size
is insufficient for the requested hashing algorithm;
.sp
.BR crypt_gensalt_rn :
.I output_size
is too small to hold the compiled
.I setting
string.
.TP
.B ENOMEM
.B crypt
(original glibc only):
failed to allocate memory for the output buffer (which subsequent calls
would re-use);
.sp
.BR crypt_ra :
.I *data
is NULL or
.I *size
is insufficient for the requested hashing algorithm and
.BR realloc (3)
failed;
.sp
.BR crypt_gensalt_ra :
failed to allocate memory for the compiled
.I setting
string.
.TP
.B ENOSYS
.B crypt
(SUSv2):
the functionality is not supported on this implementation;
.sp
.BR crypt ,
.B crypt_r
(glibc 2.0 to 2.0.1 only):
.de no-crypt-add-on
the crypt add-on is not compiled in and
.I setting
requests something other than the MD5-based algorithm.
..
.no-crypt-add-on
.TP
.B EOPNOTSUPP
.BR crypt ,
.B crypt_r
(glibc 2.0.2 to 2.1.3 only):
.no-crypt-add-on
.SH HASHING METHODS
The implemented hashing methods are intended specifically for processing
user passwords for storage and authentication;
they are at best inefficient for most other purposes.
.PP
It is important to understand that password hashing is not a replacement
for strong passwords.
It is always possible for an attacker with access to password hashes
to try guessing candidate passwords against the hashes.
There are, however, certain properties a password hashing method may have
which make these key search attacks somewhat harder.
.PP
All of the hashing methods use salts such that the same
.I key
may produce many possible hashes.
Proper use of salts may defeat a number of attacks, including:
.TP
1.
The ability to try candidate passwords against multiple hashes at the
price of one.
.TP
2.
The use of pre-hashed lists of candidate passwords.
.TP
3.
The ability to determine whether two users (or two accounts of one user)
have the same or different passwords without actually having to guess
one of the passwords.
.PP
The key search attacks depend on computing hashes of large numbers of
candidate passwords.
Thus, the computational cost of a good password hashing method must be
high \- but of course not too high to render it impractical.
.PP
All hashing methods implemented within the
.crypt and
interfaces use multiple iterations of an underlying cryptographic
primitive specifically in order to increase the cost of trying a
candidate password.
Unfortunately, due to hardware improvements, the hashing methods which
have a fixed cost become increasingly less secure over time.
.PP
In addition to salts, modern password hashing methods accept a variable
iteration
.IR count .
This makes it possible to adapt their cost to the hardware improvements
while still maintaining compatibility.
.PP
The following hashing methods are or may be implemented within the
described interfaces:
.PP
.de hash
.ad l
.TP
.I prefix
.ie "\\$1"" \{\
"" (empty string);
.br
a string matching ^[./0-9A-Za-z]{2} (see
.BR regex (7))
.\}
.el "\\$1"
.TP
.B Encoding syntax
\\$2
.TP
.B Maximum password length
\\$3 (uses \\$4-bit characters)
.TP
.B Effective key size
.ie "\\$5"" limited by the hash size only
.el up to \\$5 bits
.TP
.B Hash size
\\$6 bits
.TP
.B Salt size
\\$7 bits
.TP
.B Iteration count
\\$8
.ad b
..
.ti -2
.B Traditional DES-based
.br
This method is supported by almost all implementations of
.BR crypt .
Unfortunately, it no longer offers adequate security because of its many
limitations.
Thus, it should not be used for new passwords unless you absolutely have
to be able to migrate the password hashes to other systems.
.hash "" "[./0-9A-Za-z]{13}" 8 7 56 64 12 25
.PP
.ti -2
.B Extended BSDI-style DES-based
.br
This method is used on BSDI and is also available on at least NetBSD,
OpenBSD, and FreeBSD due to the use of David Burren's FreeSec library.
.hash _ "_[./0-9A-Za-z]{19}" unlimited 7 56 64 24 "1 to 2**24-1 (must be odd)"
.PP
.ti -2
.B FreeBSD-style MD5-based
.br
This is Poul-Henning Kamp's MD5-based password hashing method originally
developed for FreeBSD.
It is currently supported on many free Unix-like systems, on Solaris 10
and newer, and it is part of the official glibc.
Its main disadvantage is the fixed iteration count, which is already
too low for the currently available hardware.
.hash "$1$" "\e$1\e$[^$]{1,8}\e$[./0-9A-Za-z]{22}" unlimited 8 "" 128 "6 to 48" 1000
.PP
.ti -2
.BR "OpenBSD-style Blowfish-based" " (" bcrypt )
.br
.B bcrypt
was originally developed by Niels Provos and David Mazieres for OpenBSD
and is also supported on recent versions of FreeBSD and NetBSD,
on Solaris 10 and newer, and on several GNU/*/Linux distributions.
It is, however, not part of the official glibc.
.PP
While both
.B bcrypt
and the BSDI-style DES-based hashing offer a variable iteration count,
.B bcrypt
may scale to even faster hardware, doesn't allow for certain optimizations
specific to password cracking only, doesn't have the effective key size
limitation, and uses 8-bit characters in passwords.
.hash "$2b$" "\e$2[abxy]\e$[0-9]{2}\e$[./A-Za-z0-9]{53}" 72 8 "" 184 128 "2**4 to 2**99 (current implementations are limited to 2**31 iterations)"
.PP
With
.BR bcrypt ,
the
.I count
passed to
.crypt_gensalt and
is the base-2 logarithm of the actual iteration count.
.PP
.B bcrypt
hashes used the "$2a$" prefix since 1997.
However, in 2011 an implementation bug was discovered in crypt_blowfish
(versions up to 1.0.4 inclusive) affecting handling of password characters with
the 8th bit set.
Besides fixing the bug,
to provide for upgrade strategies for existing systems, two new prefixes were
introduced: "$2x$", which fully re-introduces the bug, and "$2y$", which
guarantees correct handling of both 7- and 8-bit characters.
OpenBSD 5.5 introduced the "$2b$" prefix for behavior that exactly matches
crypt_blowfish's "$2y$", and current crypt_blowfish supports it as well.
Unfortunately, the behavior of "$2a$" on password characters with the 8th bit
set has to be considered system-specific.
When generating new password hashes, the "$2b$" or "$2y$" prefix should be used.
(If such hashes ever need to be migrated to a system that does not yet support
these new prefixes, the prefix in migrated copies of the already-generated
hashes may be changed to "$2a$".)
.PP
.crypt_gensalt and
support the "$2b$", "$2y$", and "$2a$" prefixes (the latter for legacy programs
or configurations), but not "$2x$" (which must not be used for new hashes).
.crypt and
support all four of these prefixes.
.SH PORTABILITY NOTES
Programs using any of these functions on a glibc 2.x system must be
linked against
.BR libcrypt .
However, many Unix-like operating systems and older versions of the
GNU C Library include the
.BR crypt " function in " libc .
.PP
The
.BR crypt_r ,
.BR crypt_rn ,
.BR crypt_ra ,
.crypt_gensalt and
functions are very non-portable.
.PP
The set of supported hashing methods is implementation-dependent.
.SH CONFORMING TO
The
.B crypt
function conforms to SVID, X/OPEN, and is available on BSD 4.3.
The strings returned by
.B crypt
are not required to be portable among conformant systems.
.PP
.B crypt_r
is a GNU extension.
There's also a
.B crypt_r
function on HP-UX and MKS Toolkit, but the prototypes and semantics differ.
.PP
.B crypt_gensalt
is an Openwall extension.
There's also a
.B crypt_gensalt
function on Solaris 10 and newer, but the prototypes and semantics differ.
.PP
.BR crypt_rn ,
.BR crypt_ra ,
.BR crypt_gensalt_rn ,
and
.B crypt_gensalt_ra
are Openwall extensions.
.SH HISTORY
A rotor-based
.B crypt
function appeared in Version 6 AT&T UNIX.
The "traditional"
.B crypt
first appeared in Version 7 AT&T UNIX.
.PP
The
.B crypt_r
function was introduced during glibc 2.0 development.
.SH BUGS
The return values of
.BR crypt " and " crypt_gensalt
point to static buffers that are overwritten by subsequent calls.
These functions are not thread-safe.
.RB ( crypt
on recent versions of Solaris uses thread-specific data and actually is
thread-safe.)
.PP
The strings returned by certain other implementations of
.B crypt
on error may be stored in read-only locations or only initialized once,
which makes it unsafe to always attempt to zero out the buffer normally
pointed to by the
.B crypt
return value as it would otherwise be preferable for security reasons.
The problem could be avoided with the use of
.BR crypt_r ,
.BR crypt_rn ,
or
.B crypt_ra
where the application has full control over output buffers of these functions
(and often over some of their private data as well).
Unfortunately, the functions aren't (yet?) available on platforms where
.B crypt
has this undesired property.
.PP
Applications using the thread-safe
.B crypt_r
need to allocate address space for the large (over 128 KB)
.I struct crypt_data
structure. Each thread needs a separate instance of the structure. The
.B crypt_r
interface makes it impossible to implement a hashing algorithm which
would need to keep an even larger amount of private data, without breaking
binary compatibility.
.B crypt_ra
allows for dynamically increasing the allocation size as required by the
hashing algorithm that is actually used. Unfortunately,
.B crypt_ra
is even more non-portable than
.BR crypt_r .
.PP
Multi-threaded applications or library functions which are meant to be
thread-safe should use
.BR crypt_gensalt_rn " or " crypt_gensalt_ra
rather than
.BR crypt_gensalt .
.SH SEE ALSO
.BR login (1),
.BR passwd (1),
.BR crypto (3),
.BR encrypt (3),
.BR free (3),
.BR getpass (3),
.BR getpwent (3),
.BR malloc (3),
.BR realloc (3),
.BR shadow (3),
.BR passwd (5),
.BR shadow (5),
.BR regex (7),
.BR pam (8)
.sp
Niels Provos and David Mazieres. A Future-Adaptable Password Scheme.
Proceedings of the 1999 USENIX Annual Technical Conference, June 1999.
.br
http://www.usenix.org/events/usenix99/provos.html
.sp
Robert Morris and Ken Thompson. Password Security: A Case History.
Unix Seventh Edition Manual, Volume 2, April 1978.
.br
http://plan9.bell-labs.com/7thEdMan/vol2/password

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/*
* Written by Solar Designer <solar at openwall.com> in 2000-2002.
* No copyright is claimed, and the software is hereby placed in the public
* domain. In case this attempt to disclaim copyright and place the software
* in the public domain is deemed null and void, then the software is
* Copyright (c) 2000-2002 Solar Designer and it is hereby released to the
* general public under the following terms:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted.
*
* There's ABSOLUTELY NO WARRANTY, express or implied.
*
* See crypt_blowfish.c for more information.
*/
#include <gnu-crypt.h>
#if defined(_OW_SOURCE) || defined(__USE_OW)
#define __SKIP_GNU
#undef __SKIP_OW
#include <ow-crypt.h>
#undef __SKIP_GNU
#endif

907
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/*
* The crypt_blowfish homepage is:
*
* http://www.openwall.com/crypt/
*
* This code comes from John the Ripper password cracker, with reentrant
* and crypt(3) interfaces added, but optimizations specific to password
* cracking removed.
*
* Written by Solar Designer <solar at openwall.com> in 1998-2014.
* No copyright is claimed, and the software is hereby placed in the public
* domain. In case this attempt to disclaim copyright and place the software
* in the public domain is deemed null and void, then the software is
* Copyright (c) 1998-2014 Solar Designer and it is hereby released to the
* general public under the following terms:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted.
*
* There's ABSOLUTELY NO WARRANTY, express or implied.
*
* It is my intent that you should be able to use this on your system,
* as part of a software package, or anywhere else to improve security,
* ensure compatibility, or for any other purpose. I would appreciate
* it if you give credit where it is due and keep your modifications in
* the public domain as well, but I don't require that in order to let
* you place this code and any modifications you make under a license
* of your choice.
*
* This implementation is fully compatible with OpenBSD's bcrypt.c for prefix
* "$2b$", originally by Niels Provos <provos at citi.umich.edu>, and it uses
* some of his ideas. The password hashing algorithm was designed by David
* Mazieres <dm at lcs.mit.edu>. For information on the level of
* compatibility for bcrypt hash prefixes other than "$2b$", please refer to
* the comments in BF_set_key() below and to the included crypt(3) man page.
*
* There's a paper on the algorithm that explains its design decisions:
*
* http://www.usenix.org/events/usenix99/provos.html
*
* Some of the tricks in BF_ROUND might be inspired by Eric Young's
* Blowfish library (I can't be sure if I would think of something if I
* hadn't seen his code).
*/
#include <string.h>
#include <errno.h>
#ifndef __set_errno
#define __set_errno(val) errno = (val)
#endif
/* Just to make sure the prototypes match the actual definitions */
#include "crypt_blowfish.h"
#ifdef __i386__
#define BF_ASM 1
#define BF_SCALE 1
#elif defined(__x86_64__) || defined(__alpha__) || defined(__hppa__)
#define BF_ASM 0
#define BF_SCALE 1
#else
#define BF_ASM 0
#define BF_SCALE 0
#endif
typedef unsigned int BF_word;
typedef signed int BF_word_signed;
/* Number of Blowfish rounds, this is also hardcoded into a few places */
#define BF_N 16
typedef BF_word BF_key[BF_N + 2];
typedef struct {
BF_word S[4][0x100];
BF_key P;
} BF_ctx;
/*
* Magic IV for 64 Blowfish encryptions that we do at the end.
* The string is "OrpheanBeholderScryDoubt" on big-endian.
*/
static BF_word BF_magic_w[6] = {
0x4F727068, 0x65616E42, 0x65686F6C,
0x64657253, 0x63727944, 0x6F756274
};
/*
* P-box and S-box tables initialized with digits of Pi.
*/
static BF_ctx BF_init_state = {
{
{
0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7,
0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99,
0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16,
0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e,
0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee,
0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef,
0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e,
0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60,
0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440,
0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce,
0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a,
0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e,
0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677,
0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193,
0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032,
0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88,
0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239,
0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e,
0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0,
0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3,
0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98,
0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88,
0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe,
0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6,
0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d,
0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b,
0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7,
0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba,
0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463,
0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f,
0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09,
0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3,
0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb,
0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279,
0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8,
0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab,
0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82,
0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db,
0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573,
0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0,
0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b,
0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790,
0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8,
0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4,
0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0,
0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7,
0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c,
0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad,
0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1,
0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299,
0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9,
0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477,
0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf,
0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49,
0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af,
0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa,
0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5,
0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41,
0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915,
0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400,
0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915,
0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664,
0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a
}, {
0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623,
0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266,
0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1,
0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e,
0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6,
0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,
0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e,
0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1,
0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737,
0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8,
0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff,
0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd,
0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701,
0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7,
0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41,
0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331,
0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf,
0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af,
0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e,
0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87,
0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c,
0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2,
0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16,
0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd,
0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b,
0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509,
0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e,
0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3,
0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f,
0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a,
0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4,
0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960,
0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66,
0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28,
0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802,
0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,
0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510,
0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf,
0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14,
0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e,
0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50,
0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7,
0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8,
0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281,
0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99,
0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696,
0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128,
0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73,
0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0,
0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0,
0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105,
0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250,
0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3,
0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285,
0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00,
0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061,
0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb,
0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e,
0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735,
0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc,
0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9,
0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340,
0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20,
0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7
}, {
0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934,
0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068,
0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af,
0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840,
0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45,
0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504,
0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a,
0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb,
0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee,
0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6,
0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42,
0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b,
0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2,
0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb,
0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527,
0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b,
0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33,
0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c,
0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3,
0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc,
0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17,
0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564,
0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b,
0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115,
0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922,
0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728,
0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0,
0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e,
0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37,
0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d,
0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804,
0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b,
0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3,
0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb,
0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d,
0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c,
0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350,
0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9,
0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a,
0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe,
0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d,
0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,
0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f,
0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61,
0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2,
0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9,
0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2,
0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c,
0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e,
0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633,
0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10,
0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169,
0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52,
0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027,
0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5,
0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62,
0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634,
0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76,
0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24,
0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc,
0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4,
0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c,
0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837,
0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0
}, {
0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b,
0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe,
0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b,
0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4,
0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8,
0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6,
0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304,
0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22,
0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4,
0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6,
0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9,
0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59,
0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593,
0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51,
0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28,
0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c,
0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b,
0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,
0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c,
0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd,
0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a,
0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319,
0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb,
0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f,
0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991,
0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32,
0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680,
0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166,
0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae,
0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb,
0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5,
0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47,
0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370,
0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d,
0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84,
0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048,
0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8,
0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd,
0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9,
0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7,
0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38,
0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f,
0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c,
0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525,
0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1,
0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442,
0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964,
0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,
0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8,
0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d,
0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f,
0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299,
0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02,
0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc,
0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614,
0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a,
0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6,
0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b,
0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0,
0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060,
0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e,
0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9,
0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f,
0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6
}
}, {
0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344,
0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89,
0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917,
0x9216d5d9, 0x8979fb1b
}
};
static unsigned char BF_itoa64[64 + 1] =
"./ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
static unsigned char BF_atoi64[0x60] = {
64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 0, 1,
54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 64, 64, 64, 64, 64,
64, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 64, 64, 64, 64, 64,
64, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42,
43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 64, 64, 64, 64, 64
};
#define BF_safe_atoi64(dst, src) \
{ \
tmp = (unsigned char)(src); \
if ((unsigned int)(tmp -= 0x20) >= 0x60) return -1; \
tmp = BF_atoi64[tmp]; \
if (tmp > 63) return -1; \
(dst) = tmp; \
}
static int BF_decode(BF_word *dst, const char *src, int size)
{
unsigned char *dptr = (unsigned char *)dst;
unsigned char *end = dptr + size;
const unsigned char *sptr = (const unsigned char *)src;
unsigned int tmp, c1, c2, c3, c4;
do {
BF_safe_atoi64(c1, *sptr++);
BF_safe_atoi64(c2, *sptr++);
*dptr++ = (c1 << 2) | ((c2 & 0x30) >> 4);
if (dptr >= end) break;
BF_safe_atoi64(c3, *sptr++);
*dptr++ = ((c2 & 0x0F) << 4) | ((c3 & 0x3C) >> 2);
if (dptr >= end) break;
BF_safe_atoi64(c4, *sptr++);
*dptr++ = ((c3 & 0x03) << 6) | c4;
} while (dptr < end);
return 0;
}
static void BF_encode(char *dst, const BF_word *src, int size)
{
const unsigned char *sptr = (const unsigned char *)src;
const unsigned char *end = sptr + size;
unsigned char *dptr = (unsigned char *)dst;
unsigned int c1, c2;
do {
c1 = *sptr++;
*dptr++ = BF_itoa64[c1 >> 2];
c1 = (c1 & 0x03) << 4;
if (sptr >= end) {
*dptr++ = BF_itoa64[c1];
break;
}
c2 = *sptr++;
c1 |= c2 >> 4;
*dptr++ = BF_itoa64[c1];
c1 = (c2 & 0x0f) << 2;
if (sptr >= end) {
*dptr++ = BF_itoa64[c1];
break;
}
c2 = *sptr++;
c1 |= c2 >> 6;
*dptr++ = BF_itoa64[c1];
*dptr++ = BF_itoa64[c2 & 0x3f];
} while (sptr < end);
}
static void BF_swap(BF_word *x, int count)
{
static int endianness_check = 1;
char *is_little_endian = (char *)&endianness_check;
BF_word tmp;
if (*is_little_endian)
do {
tmp = *x;
tmp = (tmp << 16) | (tmp >> 16);
*x++ = ((tmp & 0x00FF00FF) << 8) | ((tmp >> 8) & 0x00FF00FF);
} while (--count);
}
#if BF_SCALE
/* Architectures which can shift addresses left by 2 bits with no extra cost */
#define BF_ROUND(L, R, N) \
tmp1 = L & 0xFF; \
tmp2 = L >> 8; \
tmp2 &= 0xFF; \
tmp3 = L >> 16; \
tmp3 &= 0xFF; \
tmp4 = L >> 24; \
tmp1 = data.ctx.S[3][tmp1]; \
tmp2 = data.ctx.S[2][tmp2]; \
tmp3 = data.ctx.S[1][tmp3]; \
tmp3 += data.ctx.S[0][tmp4]; \
tmp3 ^= tmp2; \
R ^= data.ctx.P[N + 1]; \
tmp3 += tmp1; \
R ^= tmp3;
#else
/* Architectures with no complicated addressing modes supported */
#define BF_INDEX(S, i) \
(*((BF_word *)(((unsigned char *)S) + (i))))
#define BF_ROUND(L, R, N) \
tmp1 = L & 0xFF; \
tmp1 <<= 2; \
tmp2 = L >> 6; \
tmp2 &= 0x3FC; \
tmp3 = L >> 14; \
tmp3 &= 0x3FC; \
tmp4 = L >> 22; \
tmp4 &= 0x3FC; \
tmp1 = BF_INDEX(data.ctx.S[3], tmp1); \
tmp2 = BF_INDEX(data.ctx.S[2], tmp2); \
tmp3 = BF_INDEX(data.ctx.S[1], tmp3); \
tmp3 += BF_INDEX(data.ctx.S[0], tmp4); \
tmp3 ^= tmp2; \
R ^= data.ctx.P[N + 1]; \
tmp3 += tmp1; \
R ^= tmp3;
#endif
/*
* Encrypt one block, BF_N is hardcoded here.
*/
#define BF_ENCRYPT \
L ^= data.ctx.P[0]; \
BF_ROUND(L, R, 0); \
BF_ROUND(R, L, 1); \
BF_ROUND(L, R, 2); \
BF_ROUND(R, L, 3); \
BF_ROUND(L, R, 4); \
BF_ROUND(R, L, 5); \
BF_ROUND(L, R, 6); \
BF_ROUND(R, L, 7); \
BF_ROUND(L, R, 8); \
BF_ROUND(R, L, 9); \
BF_ROUND(L, R, 10); \
BF_ROUND(R, L, 11); \
BF_ROUND(L, R, 12); \
BF_ROUND(R, L, 13); \
BF_ROUND(L, R, 14); \
BF_ROUND(R, L, 15); \
tmp4 = R; \
R = L; \
L = tmp4 ^ data.ctx.P[BF_N + 1];
#if BF_ASM
#define BF_body() \
_BF_body_r(&data.ctx);
#else
#define BF_body() \
L = R = 0; \
ptr = data.ctx.P; \
do { \
ptr += 2; \
BF_ENCRYPT; \
*(ptr - 2) = L; \
*(ptr - 1) = R; \
} while (ptr < &data.ctx.P[BF_N + 2]); \
\
ptr = data.ctx.S[0]; \
do { \
ptr += 2; \
BF_ENCRYPT; \
*(ptr - 2) = L; \
*(ptr - 1) = R; \
} while (ptr < &data.ctx.S[3][0xFF]);
#endif
static void BF_set_key(const char *key, BF_key expanded, BF_key initial,
unsigned char flags)
{
const char *ptr = key;
unsigned int bug, i, j;
BF_word safety, sign, diff, tmp[2];
/*
* There was a sign extension bug in older revisions of this function. While
* we would have liked to simply fix the bug and move on, we have to provide
* a backwards compatibility feature (essentially the bug) for some systems and
* a safety measure for some others. The latter is needed because for certain
* multiple inputs to the buggy algorithm there exist easily found inputs to
* the correct algorithm that produce the same hash. Thus, we optionally
* deviate from the correct algorithm just enough to avoid such collisions.
* While the bug itself affected the majority of passwords containing
* characters with the 8th bit set (although only a percentage of those in a
* collision-producing way), the anti-collision safety measure affects
* only a subset of passwords containing the '\xff' character (not even all of
* those passwords, just some of them). This character is not found in valid
* UTF-8 sequences and is rarely used in popular 8-bit character encodings.
* Thus, the safety measure is unlikely to cause much annoyance, and is a
* reasonable tradeoff to use when authenticating against existing hashes that
* are not reliably known to have been computed with the correct algorithm.
*
* We use an approach that tries to minimize side-channel leaks of password
* information - that is, we mostly use fixed-cost bitwise operations instead
* of branches or table lookups. (One conditional branch based on password
* length remains. It is not part of the bug aftermath, though, and is
* difficult and possibly unreasonable to avoid given the use of C strings by
* the caller, which results in similar timing leaks anyway.)
*
* For actual implementation, we set an array index in the variable "bug"
* (0 means no bug, 1 means sign extension bug emulation) and a flag in the
* variable "safety" (bit 16 is set when the safety measure is requested).
* Valid combinations of settings are:
*
* Prefix "$2a$": bug = 0, safety = 0x10000
* Prefix "$2b$": bug = 0, safety = 0
* Prefix "$2x$": bug = 1, safety = 0
* Prefix "$2y$": bug = 0, safety = 0
*/
bug = (unsigned int)flags & 1;
safety = ((BF_word)flags & 2) << 15;
sign = diff = 0;
for (i = 0; i < BF_N + 2; i++) {
tmp[0] = tmp[1] = 0;
for (j = 0; j < 4; j++) {
tmp[0] <<= 8;
tmp[0] |= (unsigned char)*ptr; /* correct */
tmp[1] <<= 8;
tmp[1] |= (BF_word_signed)(signed char)*ptr; /* bug */
/*
* Sign extension in the first char has no effect - nothing to overwrite yet,
* and those extra 24 bits will be fully shifted out of the 32-bit word. For
* chars 2, 3, 4 in each four-char block, we set bit 7 of "sign" if sign
* extension in tmp[1] occurs. Once this flag is set, it remains set.
*/
if (j)
sign |= tmp[1] & 0x80;
if (!*ptr)
ptr = key;
else
ptr++;
}
diff |= tmp[0] ^ tmp[1]; /* Non-zero on any differences */
expanded[i] = tmp[bug];
initial[i] = BF_init_state.P[i] ^ tmp[bug];
}
/*
* At this point, "diff" is zero iff the correct and buggy algorithms produced
* exactly the same result. If so and if "sign" is non-zero, which indicates
* that there was a non-benign sign extension, this means that we have a
* collision between the correctly computed hash for this password and a set of
* passwords that could be supplied to the buggy algorithm. Our safety measure
* is meant to protect from such many-buggy to one-correct collisions, by
* deviating from the correct algorithm in such cases. Let's check for this.
*/
diff |= diff >> 16; /* still zero iff exact match */
diff &= 0xffff; /* ditto */
diff += 0xffff; /* bit 16 set iff "diff" was non-zero (on non-match) */
sign <<= 9; /* move the non-benign sign extension flag to bit 16 */
sign &= ~diff & safety; /* action needed? */
/*
* If we have determined that we need to deviate from the correct algorithm,
* flip bit 16 in initial expanded key. (The choice of 16 is arbitrary, but
* let's stick to it now. It came out of the approach we used above, and it's
* not any worse than any other choice we could make.)
*
* It is crucial that we don't do the same to the expanded key used in the main
* Eksblowfish loop. By doing it to only one of these two, we deviate from a
* state that could be directly specified by a password to the buggy algorithm
* (and to the fully correct one as well, but that's a side-effect).
*/
initial[0] ^= sign;
}
static const unsigned char flags_by_subtype[26] =
{2, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 4, 0};
static char *BF_crypt(const char *key, const char *setting,
char *output, int size,
BF_word min)
{
#if BF_ASM
extern void _BF_body_r(BF_ctx *ctx);
#endif
struct {
BF_ctx ctx;
BF_key expanded_key;
union {
BF_word salt[4];
BF_word output[6];
} binary;
} data;
BF_word L, R;
BF_word tmp1, tmp2, tmp3, tmp4;
BF_word *ptr;
BF_word count;
int i;
if (size < 7 + 22 + 31 + 1) {
__set_errno(ERANGE);
return NULL;
}
if (setting[0] != '$' ||
setting[1] != '2' ||
setting[2] < 'a' || setting[2] > 'z' ||
!flags_by_subtype[(unsigned int)(unsigned char)setting[2] - 'a'] ||
setting[3] != '$' ||
setting[4] < '0' || setting[4] > '3' ||
setting[5] < '0' || setting[5] > '9' ||
(setting[4] == '3' && setting[5] > '1') ||
setting[6] != '$') {
__set_errno(EINVAL);
return NULL;
}
count = (BF_word)1 << ((setting[4] - '0') * 10 + (setting[5] - '0'));
if (count < min || BF_decode(data.binary.salt, &setting[7], 16)) {
__set_errno(EINVAL);
return NULL;
}
BF_swap(data.binary.salt, 4);
BF_set_key(key, data.expanded_key, data.ctx.P,
flags_by_subtype[(unsigned int)(unsigned char)setting[2] - 'a']);
memcpy(data.ctx.S, BF_init_state.S, sizeof(data.ctx.S));
L = R = 0;
for (i = 0; i < BF_N + 2; i += 2) {
L ^= data.binary.salt[i & 2];
R ^= data.binary.salt[(i & 2) + 1];
BF_ENCRYPT;
data.ctx.P[i] = L;
data.ctx.P[i + 1] = R;
}
ptr = data.ctx.S[0];
do {
ptr += 4;
L ^= data.binary.salt[(BF_N + 2) & 3];
R ^= data.binary.salt[(BF_N + 3) & 3];
BF_ENCRYPT;
*(ptr - 4) = L;
*(ptr - 3) = R;
L ^= data.binary.salt[(BF_N + 4) & 3];
R ^= data.binary.salt[(BF_N + 5) & 3];
BF_ENCRYPT;
*(ptr - 2) = L;
*(ptr - 1) = R;
} while (ptr < &data.ctx.S[3][0xFF]);
do {
int done;
for (i = 0; i < BF_N + 2; i += 2) {
data.ctx.P[i] ^= data.expanded_key[i];
data.ctx.P[i + 1] ^= data.expanded_key[i + 1];
}
done = 0;
do {
BF_body();
if (done)
break;
done = 1;
tmp1 = data.binary.salt[0];
tmp2 = data.binary.salt[1];
tmp3 = data.binary.salt[2];
tmp4 = data.binary.salt[3];
for (i = 0; i < BF_N; i += 4) {
data.ctx.P[i] ^= tmp1;
data.ctx.P[i + 1] ^= tmp2;
data.ctx.P[i + 2] ^= tmp3;
data.ctx.P[i + 3] ^= tmp4;
}
data.ctx.P[16] ^= tmp1;
data.ctx.P[17] ^= tmp2;
} while (1);
} while (--count);
for (i = 0; i < 6; i += 2) {
L = BF_magic_w[i];
R = BF_magic_w[i + 1];
count = 64;
do {
BF_ENCRYPT;
} while (--count);
data.binary.output[i] = L;
data.binary.output[i + 1] = R;
}
memcpy(output, setting, 7 + 22 - 1);
output[7 + 22 - 1] = BF_itoa64[(int)
BF_atoi64[(int)setting[7 + 22 - 1] - 0x20] & 0x30];
/* This has to be bug-compatible with the original implementation, so
* only encode 23 of the 24 bytes. :-) */
BF_swap(data.binary.output, 6);
BF_encode(&output[7 + 22], data.binary.output, 23);
output[7 + 22 + 31] = '\0';
return output;
}
int _crypt_output_magic(const char *setting, char *output, int size)
{
if (size < 3)
return -1;
output[0] = '*';
output[1] = '0';
output[2] = '\0';
if (setting[0] == '*' && setting[1] == '0')
output[1] = '1';
return 0;
}
/*
* Please preserve the runtime self-test. It serves two purposes at once:
*
* 1. We really can't afford the risk of producing incompatible hashes e.g.
* when there's something like gcc bug 26587 again, whereas an application or
* library integrating this code might not also integrate our external tests or
* it might not run them after every build. Even if it does, the miscompile
* might only occur on the production build, but not on a testing build (such
* as because of different optimization settings). It is painful to recover
* from incorrectly-computed hashes - merely fixing whatever broke is not
* enough. Thus, a proactive measure like this self-test is needed.
*
* 2. We don't want to leave sensitive data from our actual password hash
* computation on the stack or in registers. Previous revisions of the code
* would do explicit cleanups, but simply running the self-test after hash
* computation is more reliable.
*
* The performance cost of this quick self-test is around 0.6% at the "$2a$08"
* setting.
*/
char *_crypt_blowfish_rn(const char *key, const char *setting,
char *output, int size)
{
const char *test_key = "8b \xd0\xc1\xd2\xcf\xcc\xd8";
const char *test_setting = "$2a$00$abcdefghijklmnopqrstuu";
static const char * const test_hashes[2] =
{"i1D709vfamulimlGcq0qq3UvuUasvEa\0\x55", /* 'a', 'b', 'y' */
"VUrPmXD6q/nVSSp7pNDhCR9071IfIRe\0\x55"}; /* 'x' */
const char *test_hash = test_hashes[0];
char *retval;
const char *p;
int save_errno, ok;
struct {
char s[7 + 22 + 1];
char o[7 + 22 + 31 + 1 + 1 + 1];
} buf;
/* Hash the supplied password */
_crypt_output_magic(setting, output, size);
retval = BF_crypt(key, setting, output, size, 16);
save_errno = errno;
/*
* Do a quick self-test. It is important that we make both calls to BF_crypt()
* from the same scope such that they likely use the same stack locations,
* which makes the second call overwrite the first call's sensitive data on the
* stack and makes it more likely that any alignment related issues would be
* detected by the self-test.
*/
memcpy(buf.s, test_setting, sizeof(buf.s));
if (retval) {
unsigned int flags = flags_by_subtype[
(unsigned int)(unsigned char)setting[2] - 'a'];
test_hash = test_hashes[flags & 1];
buf.s[2] = setting[2];
}
memset(buf.o, 0x55, sizeof(buf.o));
buf.o[sizeof(buf.o) - 1] = 0;
p = BF_crypt(test_key, buf.s, buf.o, sizeof(buf.o) - (1 + 1), 1);
ok = (p == buf.o &&
!memcmp(p, buf.s, 7 + 22) &&
!memcmp(p + (7 + 22), test_hash, 31 + 1 + 1 + 1));
{
const char *k = "\xff\xa3" "34" "\xff\xff\xff\xa3" "345";
BF_key ae, ai, ye, yi;
BF_set_key(k, ae, ai, 2); /* $2a$ */
BF_set_key(k, ye, yi, 4); /* $2y$ */
ai[0] ^= 0x10000; /* undo the safety (for comparison) */
ok = ok && ai[0] == 0xdb9c59bc && ye[17] == 0x33343500 &&
!memcmp(ae, ye, sizeof(ae)) &&
!memcmp(ai, yi, sizeof(ai));
}
__set_errno(save_errno);
if (ok)
return retval;
/* Should not happen */
_crypt_output_magic(setting, output, size);
__set_errno(EINVAL); /* pretend we don't support this hash type */
return NULL;
}
char *_crypt_gensalt_blowfish_rn(const char *prefix, unsigned long count,
const char *input, int size, char *output, int output_size)
{
if (size < 16 || output_size < 7 + 22 + 1 ||
(count && (count < 4 || count > 31)) ||
prefix[0] != '$' || prefix[1] != '2' ||
(prefix[2] != 'a' && prefix[2] != 'b' && prefix[2] != 'y')) {
if (output_size > 0) output[0] = '\0';
__set_errno((output_size < 7 + 22 + 1) ? ERANGE : EINVAL);
return NULL;
}
if (!count) count = 5;
output[0] = '$';
output[1] = '2';
output[2] = prefix[2];
output[3] = '$';
output[4] = '0' + count / 10;
output[5] = '0' + count % 10;
output[6] = '$';
BF_encode(&output[7], (const BF_word *)input, 16);
output[7 + 22] = '\0';
return output;
}

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/*
* Written by Solar Designer <solar at openwall.com> in 2000-2011.
* No copyright is claimed, and the software is hereby placed in the public
* domain. In case this attempt to disclaim copyright and place the software
* in the public domain is deemed null and void, then the software is
* Copyright (c) 2000-2011 Solar Designer and it is hereby released to the
* general public under the following terms:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted.
*
* There's ABSOLUTELY NO WARRANTY, express or implied.
*
* See crypt_blowfish.c for more information.
*/
#ifndef _CRYPT_BLOWFISH_H
#define _CRYPT_BLOWFISH_H
extern int _crypt_output_magic(const char *setting, char *output, int size);
extern char *_crypt_blowfish_rn(const char *key, const char *setting,
char *output, int size);
extern char *_crypt_gensalt_blowfish_rn(const char *prefix,
unsigned long count,
const char *input, int size, char *output, int output_size);
#endif

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/*
* Written by Solar Designer <solar at openwall.com> in 2000-2011.
* No copyright is claimed, and the software is hereby placed in the public
* domain. In case this attempt to disclaim copyright and place the software
* in the public domain is deemed null and void, then the software is
* Copyright (c) 2000-2011 Solar Designer and it is hereby released to the
* general public under the following terms:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted.
*
* There's ABSOLUTELY NO WARRANTY, express or implied.
*
* See crypt_blowfish.c for more information.
*
* This file contains salt generation functions for the traditional and
* other common crypt(3) algorithms, except for bcrypt which is defined
* entirely in crypt_blowfish.c.
*/
#include <string.h>
#include <errno.h>
#ifndef __set_errno
#define __set_errno(val) errno = (val)
#endif
/* Just to make sure the prototypes match the actual definitions */
#include "crypt_gensalt.h"
unsigned char _crypt_itoa64[64 + 1] =
"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
char *_crypt_gensalt_traditional_rn(const char *prefix, unsigned long count,
const char *input, int size, char *output, int output_size)
{
(void) prefix;
if (size < 2 || output_size < 2 + 1 || (count && count != 25)) {
if (output_size > 0) output[0] = '\0';
__set_errno((output_size < 2 + 1) ? ERANGE : EINVAL);
return NULL;
}
output[0] = _crypt_itoa64[(unsigned int)input[0] & 0x3f];
output[1] = _crypt_itoa64[(unsigned int)input[1] & 0x3f];
output[2] = '\0';
return output;
}
char *_crypt_gensalt_extended_rn(const char *prefix, unsigned long count,
const char *input, int size, char *output, int output_size)
{
unsigned long value;
(void) prefix;
/* Even iteration counts make it easier to detect weak DES keys from a look
* at the hash, so they should be avoided */
if (size < 3 || output_size < 1 + 4 + 4 + 1 ||
(count && (count > 0xffffff || !(count & 1)))) {
if (output_size > 0) output[0] = '\0';
__set_errno((output_size < 1 + 4 + 4 + 1) ? ERANGE : EINVAL);
return NULL;
}
if (!count) count = 725;
output[0] = '_';
output[1] = _crypt_itoa64[count & 0x3f];
output[2] = _crypt_itoa64[(count >> 6) & 0x3f];
output[3] = _crypt_itoa64[(count >> 12) & 0x3f];
output[4] = _crypt_itoa64[(count >> 18) & 0x3f];
value = (unsigned long)(unsigned char)input[0] |
((unsigned long)(unsigned char)input[1] << 8) |
((unsigned long)(unsigned char)input[2] << 16);
output[5] = _crypt_itoa64[value & 0x3f];
output[6] = _crypt_itoa64[(value >> 6) & 0x3f];
output[7] = _crypt_itoa64[(value >> 12) & 0x3f];
output[8] = _crypt_itoa64[(value >> 18) & 0x3f];
output[9] = '\0';
return output;
}
char *_crypt_gensalt_md5_rn(const char *prefix, unsigned long count,
const char *input, int size, char *output, int output_size)
{
unsigned long value;
(void) prefix;
if (size < 3 || output_size < 3 + 4 + 1 || (count && count != 1000)) {
if (output_size > 0) output[0] = '\0';
__set_errno((output_size < 3 + 4 + 1) ? ERANGE : EINVAL);
return NULL;
}
output[0] = '$';
output[1] = '1';
output[2] = '$';
value = (unsigned long)(unsigned char)input[0] |
((unsigned long)(unsigned char)input[1] << 8) |
((unsigned long)(unsigned char)input[2] << 16);
output[3] = _crypt_itoa64[value & 0x3f];
output[4] = _crypt_itoa64[(value >> 6) & 0x3f];
output[5] = _crypt_itoa64[(value >> 12) & 0x3f];
output[6] = _crypt_itoa64[(value >> 18) & 0x3f];
output[7] = '\0';
if (size >= 6 && output_size >= 3 + 4 + 4 + 1) {
value = (unsigned long)(unsigned char)input[3] |
((unsigned long)(unsigned char)input[4] << 8) |
((unsigned long)(unsigned char)input[5] << 16);
output[7] = _crypt_itoa64[value & 0x3f];
output[8] = _crypt_itoa64[(value >> 6) & 0x3f];
output[9] = _crypt_itoa64[(value >> 12) & 0x3f];
output[10] = _crypt_itoa64[(value >> 18) & 0x3f];
output[11] = '\0';
}
return output;
}

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/*
* Written by Solar Designer <solar at openwall.com> in 2000-2011.
* No copyright is claimed, and the software is hereby placed in the public
* domain. In case this attempt to disclaim copyright and place the software
* in the public domain is deemed null and void, then the software is
* Copyright (c) 2000-2011 Solar Designer and it is hereby released to the
* general public under the following terms:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted.
*
* There's ABSOLUTELY NO WARRANTY, express or implied.
*
* See crypt_blowfish.c for more information.
*/
#ifndef _CRYPT_GENSALT_H
#define _CRYPT_GENSALT_H
extern unsigned char _crypt_itoa64[];
extern char *_crypt_gensalt_traditional_rn(const char *prefix,
unsigned long count,
const char *input, int size, char *output, int output_size);
extern char *_crypt_gensalt_extended_rn(const char *prefix,
unsigned long count,
const char *input, int size, char *output, int output_size);
extern char *_crypt_gensalt_md5_rn(const char *prefix, unsigned long count,
const char *input, int size, char *output, int output_size);
#endif

53
deps/crypt_blowfish/glibc-2.1.3-crypt.diff vendored Normal file
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@ -0,0 +1,53 @@
--- glibc-2.1.3.orig/crypt/sysdeps/unix/Makefile 1997-03-05 00:33:59 +0000
+++ glibc-2.1.3/crypt/sysdeps/unix/Makefile 2000-06-11 03:13:41 +0000
@@ -1,4 +1,4 @@
ifeq ($(subdir),md5-crypt)
-libcrypt-routines += crypt crypt_util
-dont_distribute += crypt.c crypt_util.c
+libcrypt-routines += crypt crypt_util crypt_blowfish x86 crypt_gensalt wrapper
+dont_distribute += crypt.c crypt_util.c crypt_blowfish.c x86.S crypt_gensalt.c wrapper.c
endif
--- glibc-2.1.3.orig/crypt/sysdeps/unix/crypt-entry.c 1998-12-10 12:49:04 +0000
+++ glibc-2.1.3/crypt/sysdeps/unix/crypt-entry.c 2000-06-11 03:14:57 +0000
@@ -70,7 +70,7 @@ extern struct crypt_data _ufc_foobar;
*/
char *
-__crypt_r (key, salt, data)
+__des_crypt_r (key, salt, data)
const char *key;
const char *salt;
struct crypt_data * __restrict data;
@@ -115,6 +115,7 @@ __crypt_r (key, salt, data)
_ufc_output_conversion_r (res[0], res[1], salt, data);
return data->crypt_3_buf;
}
+#if 0
weak_alias (__crypt_r, crypt_r)
char *
@@ -147,3 +148,4 @@ __fcrypt (key, salt)
return crypt (key, salt);
}
#endif
+#endif
--- glibc-2.1.3.orig/md5-crypt/Makefile 1998-07-02 22:46:47 +0000
+++ glibc-2.1.3/md5-crypt/Makefile 2000-06-11 03:12:34 +0000
@@ -21,7 +21,7 @@
#
subdir := md5-crypt
-headers := crypt.h
+headers := crypt.h gnu-crypt.h ow-crypt.h
distribute := md5.h
--- glibc-2.1.3.orig/md5-crypt/Versions 1998-07-02 22:32:07 +0000
+++ glibc-2.1.3/md5-crypt/Versions 2000-06-11 09:11:03 +0000
@@ -1,5 +1,6 @@
libcrypt {
GLIBC_2.0 {
crypt; crypt_r; encrypt; encrypt_r; fcrypt; setkey; setkey_r;
+ crypt_rn; crypt_ra; crypt_gensalt; crypt_gensalt_rn; crypt_gensalt_ra;
}
}

55
deps/crypt_blowfish/glibc-2.14-crypt.diff vendored Normal file
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@ -0,0 +1,55 @@
diff -urp glibc-2.14.orig/crypt/Makefile glibc-2.14/crypt/Makefile
--- glibc-2.14.orig/crypt/Makefile 2011-05-31 04:12:33 +0000
+++ glibc-2.14/crypt/Makefile 2011-07-16 21:40:56 +0000
@@ -22,6 +22,7 @@
subdir := crypt
headers := crypt.h
+headers += gnu-crypt.h ow-crypt.h
extra-libs := libcrypt
extra-libs-others := $(extra-libs)
@@ -29,6 +30,8 @@ extra-libs-others := $(extra-libs)
libcrypt-routines := crypt-entry md5-crypt sha256-crypt sha512-crypt crypt \
crypt_util
+libcrypt-routines += crypt_blowfish x86 crypt_gensalt wrapper
+
tests := cert md5c-test sha256c-test sha512c-test
distribute := ufc-crypt.h crypt-private.h ufc.c speeds.c README.ufc-crypt \
diff -urp glibc-2.14.orig/crypt/Versions glibc-2.14/crypt/Versions
--- glibc-2.14.orig/crypt/Versions 2011-05-31 04:12:33 +0000
+++ glibc-2.14/crypt/Versions 2011-07-16 21:40:56 +0000
@@ -1,5 +1,6 @@
libcrypt {
GLIBC_2.0 {
crypt; crypt_r; encrypt; encrypt_r; fcrypt; setkey; setkey_r;
+ crypt_rn; crypt_ra; crypt_gensalt; crypt_gensalt_rn; crypt_gensalt_ra;
}
}
diff -urp glibc-2.14.orig/crypt/crypt-entry.c glibc-2.14/crypt/crypt-entry.c
--- glibc-2.14.orig/crypt/crypt-entry.c 2011-05-31 04:12:33 +0000
+++ glibc-2.14/crypt/crypt-entry.c 2011-07-16 21:40:56 +0000
@@ -82,7 +82,7 @@ extern struct crypt_data _ufc_foobar;
*/
char *
-__crypt_r (key, salt, data)
+__des_crypt_r (key, salt, data)
const char *key;
const char *salt;
struct crypt_data * __restrict data;
@@ -137,6 +137,7 @@ __crypt_r (key, salt, data)
_ufc_output_conversion_r (res[0], res[1], salt, data);
return data->crypt_3_buf;
}
+#if 0
weak_alias (__crypt_r, crypt_r)
char *
@@ -177,3 +178,4 @@ __fcrypt (key, salt)
return crypt (key, salt);
}
#endif
+#endif

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deps/crypt_blowfish/glibc-2.3.6-crypt.diff vendored Normal file
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@ -0,0 +1,52 @@
--- glibc-2.3.6.orig/crypt/Makefile 2001-07-06 04:54:45 +0000
+++ glibc-2.3.6/crypt/Makefile 2004-02-27 00:23:48 +0000
@@ -21,14 +21,14 @@
#
subdir := crypt
-headers := crypt.h
+headers := crypt.h gnu-crypt.h ow-crypt.h
distribute := md5.h
extra-libs := libcrypt
extra-libs-others := $(extra-libs)
-libcrypt-routines := crypt-entry md5-crypt md5 crypt crypt_util
+libcrypt-routines := crypt-entry md5-crypt md5 crypt crypt_util crypt_blowfish x86 crypt_gensalt wrapper
tests = cert md5test md5c-test
--- glibc-2.3.6.orig/crypt/Versions 2000-03-04 00:47:30 +0000
+++ glibc-2.3.6/crypt/Versions 2004-02-27 00:25:15 +0000
@@ -1,5 +1,6 @@
libcrypt {
GLIBC_2.0 {
crypt; crypt_r; encrypt; encrypt_r; fcrypt; setkey; setkey_r;
+ crypt_rn; crypt_ra; crypt_gensalt; crypt_gensalt_rn; crypt_gensalt_ra;
}
}
--- glibc-2.3.6.orig/crypt/crypt-entry.c 2001-07-06 05:18:49 +0000
+++ glibc-2.3.6/crypt/crypt-entry.c 2004-02-27 00:12:32 +0000
@@ -70,7 +70,7 @@ extern struct crypt_data _ufc_foobar;
*/
char *
-__crypt_r (key, salt, data)
+__des_crypt_r (key, salt, data)
const char *key;
const char *salt;
struct crypt_data * __restrict data;
@@ -115,6 +115,7 @@ __crypt_r (key, salt, data)
_ufc_output_conversion_r (res[0], res[1], salt, data);
return data->crypt_3_buf;
}
+#if 0
weak_alias (__crypt_r, crypt_r)
char *
@@ -147,3 +148,4 @@ __fcrypt (key, salt)
return crypt (key, salt);
}
#endif
+#endif

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@ -0,0 +1,43 @@
/*
* Written by Solar Designer <solar at openwall.com> in 2000-2011.
* No copyright is claimed, and the software is hereby placed in the public
* domain. In case this attempt to disclaim copyright and place the software
* in the public domain is deemed null and void, then the software is
* Copyright (c) 2000-2011 Solar Designer and it is hereby released to the
* general public under the following terms:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted.
*
* There's ABSOLUTELY NO WARRANTY, express or implied.
*
* See crypt_blowfish.c for more information.
*/
#ifndef _OW_CRYPT_H
#define _OW_CRYPT_H
#ifndef __GNUC__
#undef __const
#define __const const
#endif
#ifndef __SKIP_GNU
extern char *crypt(__const char *key, __const char *setting);
extern char *crypt_r(__const char *key, __const char *setting, void *data);
#endif
#ifndef __SKIP_OW
extern char *crypt_rn(__const char *key, __const char *setting,
void *data, int size);
extern char *crypt_ra(__const char *key, __const char *setting,
void **data, int *size);
extern char *crypt_gensalt(__const char *prefix, unsigned long count,
__const char *input, int size);
extern char *crypt_gensalt_rn(__const char *prefix, unsigned long count,
__const char *input, int size, char *output, int output_size);
extern char *crypt_gensalt_ra(__const char *prefix, unsigned long count,
__const char *input, int size);
#endif
#endif

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@ -0,0 +1,551 @@
/*
* Written by Solar Designer <solar at openwall.com> in 2000-2014.
* No copyright is claimed, and the software is hereby placed in the public
* domain. In case this attempt to disclaim copyright and place the software
* in the public domain is deemed null and void, then the software is
* Copyright (c) 2000-2014 Solar Designer and it is hereby released to the
* general public under the following terms:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted.
*
* There's ABSOLUTELY NO WARRANTY, express or implied.
*
* See crypt_blowfish.c for more information.
*/
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#ifndef __set_errno
#define __set_errno(val) errno = (val)
#endif
#ifdef TEST
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <time.h>
#include <sys/time.h>
#include <sys/times.h>
#ifdef TEST_THREADS
#include <pthread.h>
#endif
#endif
#define CRYPT_OUTPUT_SIZE (7 + 22 + 31 + 1)
#define CRYPT_GENSALT_OUTPUT_SIZE (7 + 22 + 1)
#if defined(__GLIBC__) && defined(_LIBC)
#define __SKIP_GNU
#endif
#include "ow-crypt.h"
#include "crypt_blowfish.h"
#include "crypt_gensalt.h"
#if defined(__GLIBC__) && defined(_LIBC)
/* crypt.h from glibc-crypt-2.1 will define struct crypt_data for us */
#include "crypt.h"
extern char *__md5_crypt_r(const char *key, const char *salt,
char *buffer, int buflen);
/* crypt-entry.c needs to be patched to define __des_crypt_r rather than
* __crypt_r, and not define crypt_r and crypt at all */
extern char *__des_crypt_r(const char *key, const char *salt,
struct crypt_data *data);
extern struct crypt_data _ufc_foobar;
#endif
static int _crypt_data_alloc(void **data, int *size, int need)
{
void *updated;
if (*data && *size >= need) return 0;
updated = realloc(*data, need);
if (!updated) {
#ifndef __GLIBC__
/* realloc(3) on glibc sets errno, so we don't need to bother */
__set_errno(ENOMEM);
#endif
return -1;
}
#if defined(__GLIBC__) && defined(_LIBC)
if (need >= sizeof(struct crypt_data))
((struct crypt_data *)updated)->initialized = 0;
#endif
*data = updated;
*size = need;
return 0;
}
static char *_crypt_retval_magic(char *retval, const char *setting,
char *output, int size)
{
if (retval)
return retval;
if (_crypt_output_magic(setting, output, size))
return NULL; /* shouldn't happen */
return output;
}
#if defined(__GLIBC__) && defined(_LIBC)
/*
* Applications may re-use the same instance of struct crypt_data without
* resetting the initialized field in order to let crypt_r() skip some of
* its initialization code. Thus, it is important that our multiple hashing
* algorithms either don't conflict with each other in their use of the
* data area or reset the initialized field themselves whenever required.
* Currently, the hashing algorithms simply have no conflicts: the first
* field of struct crypt_data is the 128-byte large DES key schedule which
* __des_crypt_r() calculates each time it is called while the two other
* hashing algorithms use less than 128 bytes of the data area.
*/
char *__crypt_rn(__const char *key, __const char *setting,
void *data, int size)
{
if (setting[0] == '$' && setting[1] == '2')
return _crypt_blowfish_rn(key, setting, (char *)data, size);
if (setting[0] == '$' && setting[1] == '1')
return __md5_crypt_r(key, setting, (char *)data, size);
if (setting[0] == '$' || setting[0] == '_') {
__set_errno(EINVAL);
return NULL;
}
if (size >= sizeof(struct crypt_data))
return __des_crypt_r(key, setting, (struct crypt_data *)data);
__set_errno(ERANGE);
return NULL;
}
char *__crypt_ra(__const char *key, __const char *setting,
void **data, int *size)
{
if (setting[0] == '$' && setting[1] == '2') {
if (_crypt_data_alloc(data, size, CRYPT_OUTPUT_SIZE))
return NULL;
return _crypt_blowfish_rn(key, setting, (char *)*data, *size);
}
if (setting[0] == '$' && setting[1] == '1') {
if (_crypt_data_alloc(data, size, CRYPT_OUTPUT_SIZE))
return NULL;
return __md5_crypt_r(key, setting, (char *)*data, *size);
}
if (setting[0] == '$' || setting[0] == '_') {
__set_errno(EINVAL);
return NULL;
}
if (_crypt_data_alloc(data, size, sizeof(struct crypt_data)))
return NULL;
return __des_crypt_r(key, setting, (struct crypt_data *)*data);
}
char *__crypt_r(__const char *key, __const char *setting,
struct crypt_data *data)
{
return _crypt_retval_magic(
__crypt_rn(key, setting, data, sizeof(*data)),
setting, (char *)data, sizeof(*data));
}
char *__crypt(__const char *key, __const char *setting)
{
return _crypt_retval_magic(
__crypt_rn(key, setting, &_ufc_foobar, sizeof(_ufc_foobar)),
setting, (char *)&_ufc_foobar, sizeof(_ufc_foobar));
}
#else
char *crypt_rn(const char *key, const char *setting, void *data, int size)
{
return _crypt_blowfish_rn(key, setting, (char *)data, size);
}
char *crypt_ra(const char *key, const char *setting,
void **data, int *size)
{
if (_crypt_data_alloc(data, size, CRYPT_OUTPUT_SIZE))
return NULL;
return _crypt_blowfish_rn(key, setting, (char *)*data, *size);
}
char *crypt_r(const char *key, const char *setting, void *data)
{
return _crypt_retval_magic(
crypt_rn(key, setting, data, CRYPT_OUTPUT_SIZE),
setting, (char *)data, CRYPT_OUTPUT_SIZE);
}
char *crypt(const char *key, const char *setting)
{
static char output[CRYPT_OUTPUT_SIZE];
return _crypt_retval_magic(
crypt_rn(key, setting, output, sizeof(output)),
setting, output, sizeof(output));
}
#define __crypt_gensalt_rn crypt_gensalt_rn
#define __crypt_gensalt_ra crypt_gensalt_ra
#define __crypt_gensalt crypt_gensalt
#endif
char *__crypt_gensalt_rn(const char *prefix, unsigned long count,
const char *input, int size, char *output, int output_size)
{
char *(*use)(const char *_prefix, unsigned long _count,
const char *_input, int _size,
char *_output, int _output_size);
/* This may be supported on some platforms in the future */
if (!input) {
__set_errno(EINVAL);
return NULL;
}
if (!strncmp(prefix, "$2a$", 4) || !strncmp(prefix, "$2b$", 4) ||
!strncmp(prefix, "$2y$", 4))
use = _crypt_gensalt_blowfish_rn;
else
if (!strncmp(prefix, "$1$", 3))
use = _crypt_gensalt_md5_rn;
else
if (prefix[0] == '_')
use = _crypt_gensalt_extended_rn;
else
if (!prefix[0] ||
(prefix[0] && prefix[1] &&
memchr(_crypt_itoa64, prefix[0], 64) &&
memchr(_crypt_itoa64, prefix[1], 64)))
use = _crypt_gensalt_traditional_rn;
else {
__set_errno(EINVAL);
return NULL;
}
return use(prefix, count, input, size, output, output_size);
}
char *__crypt_gensalt_ra(const char *prefix, unsigned long count,
const char *input, int size)
{
char output[CRYPT_GENSALT_OUTPUT_SIZE];
char *retval;
retval = __crypt_gensalt_rn(prefix, count,
input, size, output, sizeof(output));
if (retval) {
retval = strdup(retval);
#ifndef __GLIBC__
/* strdup(3) on glibc sets errno, so we don't need to bother */
if (!retval)
__set_errno(ENOMEM);
#endif
}
return retval;
}
char *__crypt_gensalt(const char *prefix, unsigned long count,
const char *input, int size)
{
static char output[CRYPT_GENSALT_OUTPUT_SIZE];
return __crypt_gensalt_rn(prefix, count,
input, size, output, sizeof(output));
}
#if defined(__GLIBC__) && defined(_LIBC)
weak_alias(__crypt_rn, crypt_rn)
weak_alias(__crypt_ra, crypt_ra)
weak_alias(__crypt_r, crypt_r)
weak_alias(__crypt, crypt)
weak_alias(__crypt_gensalt_rn, crypt_gensalt_rn)
weak_alias(__crypt_gensalt_ra, crypt_gensalt_ra)
weak_alias(__crypt_gensalt, crypt_gensalt)
weak_alias(crypt, fcrypt)
#endif
#ifdef TEST
static const char *tests[][3] = {
{"$2a$05$CCCCCCCCCCCCCCCCCCCCC.E5YPO9kmyuRGyh0XouQYb4YMJKvyOeW",
"U*U"},
{"$2a$05$CCCCCCCCCCCCCCCCCCCCC.VGOzA784oUp/Z0DY336zx7pLYAy0lwK",
"U*U*"},
{"$2a$05$XXXXXXXXXXXXXXXXXXXXXOAcXxm9kjPGEMsLznoKqmqw7tc8WCx4a",
"U*U*U"},
{"$2a$05$abcdefghijklmnopqrstuu5s2v8.iXieOjg/.AySBTTZIIVFJeBui",
"0123456789abcdefghijklmnopqrstuvwxyz"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
"chars after 72 are ignored"},
{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e",
"\xa3"},
{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e",
"\xff\xff\xa3"},
{"$2y$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e",
"\xff\xff\xa3"},
{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.nqd1wy.pTMdcvrRWxyiGL2eMz.2a85.",
"\xff\xff\xa3"},
{"$2b$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e",
"\xff\xff\xa3"},
{"$2y$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq",
"\xa3"},
{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq",
"\xa3"},
{"$2b$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq",
"\xa3"},
{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi",
"1\xa3" "345"},
{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi",
"\xff\xa3" "345"},
{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi",
"\xff\xa3" "34" "\xff\xff\xff\xa3" "345"},
{"$2y$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi",
"\xff\xa3" "34" "\xff\xff\xff\xa3" "345"},
{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.ZC1JEJ8Z4gPfpe1JOr/oyPXTWl9EFd.",
"\xff\xa3" "34" "\xff\xff\xff\xa3" "345"},
{"$2y$05$/OK.fbVrR/bpIqNJ5ianF.nRht2l/HRhr6zmCp9vYUvvsqynflf9e",
"\xff\xa3" "345"},
{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.nRht2l/HRhr6zmCp9vYUvvsqynflf9e",
"\xff\xa3" "345"},
{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS",
"\xa3" "ab"},
{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS",
"\xa3" "ab"},
{"$2y$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS",
"\xa3" "ab"},
{"$2x$05$6bNw2HLQYeqHYyBfLMsv/OiwqTymGIGzFsA4hOTWebfehXHNprcAS",
"\xd1\x91"},
{"$2x$05$6bNw2HLQYeqHYyBfLMsv/O9LIGgn8OMzuDoHfof8AQimSGfcSWxnS",
"\xd0\xc1\xd2\xcf\xcc\xd8"},
{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.swQOIzjOiJ9GHEPuhEkvqrUyvWhEMx6",
"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
"chars after 72 are ignored as usual"},
{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.R9xrDjiycxMbQE2bp.vgqlYpW5wx2yy",
"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"
"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"
"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"
"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"
"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"
"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"},
{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.9tQZzcJfm3uj2NvJ/n5xkhpqLrMpWCe",
"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"
"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"
"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"
"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"
"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"
"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"},
{"$2a$05$CCCCCCCCCCCCCCCCCCCCC.7uG0VCzI2bS7j6ymqJi9CdcdxiRTWNy",
""},
{"*0", "", "$2a$03$CCCCCCCCCCCCCCCCCCCCC."},
{"*0", "", "$2a$32$CCCCCCCCCCCCCCCCCCCCC."},
{"*0", "", "$2c$05$CCCCCCCCCCCCCCCCCCCCC."},
{"*0", "", "$2z$05$CCCCCCCCCCCCCCCCCCCCC."},
{"*0", "", "$2`$05$CCCCCCCCCCCCCCCCCCCCC."},
{"*0", "", "$2{$05$CCCCCCCCCCCCCCCCCCCCC."},
{"*1", "", "*0"},
{NULL}
};
#define which tests[0]
static volatile sig_atomic_t running;
static void handle_timer(int signum)
{
(void) signum;
running = 0;
}
static void *run(void *arg)
{
unsigned long count = 0;
int i = 0;
void *data = NULL;
int size = 0x12345678;
do {
const char *hash = tests[i][0];
const char *key = tests[i][1];
const char *setting = tests[i][2];
if (!tests[++i][0])
i = 0;
if (setting && strlen(hash) < 30) /* not for benchmark */
continue;
if (strcmp(crypt_ra(key, hash, &data, &size), hash)) {
printf("%d: FAILED (crypt_ra/%d/%lu)\n",
(int)((char *)arg - (char *)0), i, count);
free(data);
return NULL;
}
count++;
} while (running);
free(data);
return count + (char *)0;
}
int main(void)
{
struct itimerval it;
struct tms buf;
clock_t clk_tck, start_real, start_virtual, end_real, end_virtual;
unsigned long count;
void *data;
int size;
char *setting1, *setting2;
int i;
#ifdef TEST_THREADS
pthread_t t[TEST_THREADS];
void *t_retval;
#endif
data = NULL;
size = 0x12345678;
for (i = 0; tests[i][0]; i++) {
const char *hash = tests[i][0];
const char *key = tests[i][1];
const char *setting = tests[i][2];
const char *p;
int ok = !setting || strlen(hash) >= 30;
int o_size;
char s_buf[30], o_buf[61];
if (!setting) {
memcpy(s_buf, hash, sizeof(s_buf) - 1);
s_buf[sizeof(s_buf) - 1] = 0;
setting = s_buf;
}
__set_errno(0);
p = crypt(key, setting);
if ((!ok && !errno) || strcmp(p, hash)) {
printf("FAILED (crypt/%d)\n", i);
return 1;
}
if (ok && strcmp(crypt(key, hash), hash)) {
printf("FAILED (crypt/%d)\n", i);
return 1;
}
for (o_size = -1; o_size <= (int)sizeof(o_buf); o_size++) {
int ok_n = ok && o_size == (int)sizeof(o_buf);
const char *x = "abc";
strcpy(o_buf, x);
if (o_size >= 3) {
x = "*0";
if (setting[0] == '*' && setting[1] == '0')
x = "*1";
}
__set_errno(0);
p = crypt_rn(key, setting, o_buf, o_size);
if ((ok_n && (!p || strcmp(p, hash))) ||
(!ok_n && (!errno || p || strcmp(o_buf, x)))) {
printf("FAILED (crypt_rn/%d)\n", i);
return 1;
}
}
__set_errno(0);
p = crypt_ra(key, setting, &data, &size);
if ((ok && (!p || strcmp(p, hash))) ||
(!ok && (!errno || p || strcmp((char *)data, hash)))) {
printf("FAILED (crypt_ra/%d)\n", i);
return 1;
}
}
setting1 = crypt_gensalt(which[0], 12, data, size);
if (!setting1 || strncmp(setting1, "$2a$12$", 7)) {
puts("FAILED (crypt_gensalt)\n");
return 1;
}
setting2 = crypt_gensalt_ra(setting1, 12, data, size);
if (strcmp(setting1, setting2)) {
puts("FAILED (crypt_gensalt_ra/1)\n");
return 1;
}
(*(char *)data)++;
setting1 = crypt_gensalt_ra(setting2, 12, data, size);
if (!strcmp(setting1, setting2)) {
puts("FAILED (crypt_gensalt_ra/2)\n");
return 1;
}
free(setting1);
free(setting2);
free(data);
#if defined(_SC_CLK_TCK) || !defined(CLK_TCK)
clk_tck = sysconf(_SC_CLK_TCK);
#else
clk_tck = CLK_TCK;
#endif
running = 1;
signal(SIGALRM, handle_timer);
memset(&it, 0, sizeof(it));
it.it_value.tv_sec = 5;
setitimer(ITIMER_REAL, &it, NULL);
start_real = times(&buf);
start_virtual = buf.tms_utime + buf.tms_stime;
count = (char *)run((char *)0) - (char *)0;
end_real = times(&buf);
end_virtual = buf.tms_utime + buf.tms_stime;
if (end_virtual == start_virtual) end_virtual++;
printf("%.1f c/s real, %.1f c/s virtual\n",
(float)count * clk_tck / (end_real - start_real),
(float)count * clk_tck / (end_virtual - start_virtual));
#ifdef TEST_THREADS
running = 1;
it.it_value.tv_sec = 60;
setitimer(ITIMER_REAL, &it, NULL);
start_real = times(&buf);
for (i = 0; i < TEST_THREADS; i++)
if (pthread_create(&t[i], NULL, run, i + (char *)0)) {
perror("pthread_create");
return 1;
}
for (i = 0; i < TEST_THREADS; i++) {
if (pthread_join(t[i], &t_retval)) {
perror("pthread_join");
continue;
}
if (!t_retval) continue;
count = (char *)t_retval - (char *)0;
end_real = times(&buf);
printf("%d: %.1f c/s real\n", i,
(float)count * clk_tck / (end_real - start_real));
}
#endif
return 0;
}
#endif

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/*
* Written by Solar Designer <solar at openwall.com> in 1998-2010.
* No copyright is claimed, and the software is hereby placed in the public
* domain. In case this attempt to disclaim copyright and place the software
* in the public domain is deemed null and void, then the software is
* Copyright (c) 1998-2010 Solar Designer and it is hereby released to the
* general public under the following terms:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted.
*
* There's ABSOLUTELY NO WARRANTY, express or implied.
*
* See crypt_blowfish.c for more information.
*/
#ifdef __i386__
#if defined(__OpenBSD__) && !defined(__ELF__)
#define UNDERSCORES
#define ALIGN_LOG
#endif
#if defined(__CYGWIN32__) || defined(__MINGW32__)
#define UNDERSCORES
#endif
#ifdef __DJGPP__
#define UNDERSCORES
#define ALIGN_LOG
#endif
#ifdef UNDERSCORES
#define _BF_body_r __BF_body_r
#endif
#ifdef ALIGN_LOG
#define DO_ALIGN(log) .align (log)
#elif defined(DUMBAS)
#define DO_ALIGN(log) .align 1 << log
#else
#define DO_ALIGN(log) .align (1 << (log))
#endif
#define BF_FRAME 0x200
#define ctx %esp
#define BF_ptr (ctx)
#define S(N, r) N+BF_FRAME(ctx,r,4)
#ifdef DUMBAS
#define P(N) 0x1000+N+N+N+N+BF_FRAME(ctx)
#else
#define P(N) 0x1000+4*N+BF_FRAME(ctx)
#endif
/*
* This version of the assembly code is optimized primarily for the original
* Intel Pentium but is also careful to avoid partial register stalls on the
* Pentium Pro family of processors (tested up to Pentium III Coppermine).
*
* It is possible to do 15% faster on the Pentium Pro family and probably on
* many non-Intel x86 processors, but, unfortunately, that would make things
* twice slower for the original Pentium.
*
* An additional 2% speedup may be achieved with non-reentrant code.
*/
#define L %esi
#define R %edi
#define tmp1 %eax
#define tmp1_lo %al
#define tmp2 %ecx
#define tmp2_hi %ch
#define tmp3 %edx
#define tmp3_lo %dl
#define tmp4 %ebx
#define tmp4_hi %bh
#define tmp5 %ebp
.text
#define BF_ROUND(L, R, N) \
xorl L,tmp2; \
xorl tmp1,tmp1; \
movl tmp2,L; \
shrl $16,tmp2; \
movl L,tmp4; \
movb tmp2_hi,tmp1_lo; \
andl $0xFF,tmp2; \
movb tmp4_hi,tmp3_lo; \
andl $0xFF,tmp4; \
movl S(0,tmp1),tmp1; \
movl S(0x400,tmp2),tmp5; \
addl tmp5,tmp1; \
movl S(0x800,tmp3),tmp5; \
xorl tmp5,tmp1; \
movl S(0xC00,tmp4),tmp5; \
addl tmp1,tmp5; \
movl 4+P(N),tmp2; \
xorl tmp5,R
#define BF_ENCRYPT_START \
BF_ROUND(L, R, 0); \
BF_ROUND(R, L, 1); \
BF_ROUND(L, R, 2); \
BF_ROUND(R, L, 3); \
BF_ROUND(L, R, 4); \
BF_ROUND(R, L, 5); \
BF_ROUND(L, R, 6); \
BF_ROUND(R, L, 7); \
BF_ROUND(L, R, 8); \
BF_ROUND(R, L, 9); \
BF_ROUND(L, R, 10); \
BF_ROUND(R, L, 11); \
BF_ROUND(L, R, 12); \
BF_ROUND(R, L, 13); \
BF_ROUND(L, R, 14); \
BF_ROUND(R, L, 15); \
movl BF_ptr,tmp5; \
xorl L,tmp2; \
movl P(17),L
#define BF_ENCRYPT_END \
xorl R,L; \
movl tmp2,R
DO_ALIGN(5)
.globl _BF_body_r
_BF_body_r:
movl 4(%esp),%eax
pushl %ebp
pushl %ebx
pushl %esi
pushl %edi
subl $BF_FRAME-8,%eax
xorl L,L
cmpl %esp,%eax
ja BF_die
xchgl %eax,%esp
xorl R,R
pushl %eax
leal 0x1000+BF_FRAME-4(ctx),%eax
movl 0x1000+BF_FRAME-4(ctx),tmp2
pushl %eax
xorl tmp3,tmp3
BF_loop_P:
BF_ENCRYPT_START
addl $8,tmp5
BF_ENCRYPT_END
leal 0x1000+18*4+BF_FRAME(ctx),tmp1
movl tmp5,BF_ptr
cmpl tmp5,tmp1
movl L,-8(tmp5)
movl R,-4(tmp5)
movl P(0),tmp2
ja BF_loop_P
leal BF_FRAME(ctx),tmp5
xorl tmp3,tmp3
movl tmp5,BF_ptr
BF_loop_S:
BF_ENCRYPT_START
BF_ENCRYPT_END
movl P(0),tmp2
movl L,(tmp5)
movl R,4(tmp5)
BF_ENCRYPT_START
BF_ENCRYPT_END
movl P(0),tmp2
movl L,8(tmp5)
movl R,12(tmp5)
BF_ENCRYPT_START
BF_ENCRYPT_END
movl P(0),tmp2
movl L,16(tmp5)
movl R,20(tmp5)
BF_ENCRYPT_START
addl $32,tmp5
BF_ENCRYPT_END
leal 0x1000+BF_FRAME(ctx),tmp1
movl tmp5,BF_ptr
cmpl tmp5,tmp1
movl P(0),tmp2
movl L,-8(tmp5)
movl R,-4(tmp5)
ja BF_loop_S
movl 4(%esp),%esp
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
BF_die:
/* Oops, need to re-compile with a larger BF_FRAME. */
hlt
jmp BF_die
#endif
#if defined(__ELF__) && defined(__linux__)
.section .note.GNU-stack,"",@progbits
#endif

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test/fixtures/lorem_ipsum.txt text eol=lf

13
deps/libuv/.github/ISSUE_TEMPLATE.md vendored Normal file
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<!--
If you want to report a bug, you are in the right place!
If you need help or have a question, go here:
https://github.com/libuv/help/issues/new
If you are reporting a libuv test failure, please ensure that you are not
running the test as root.
Please include code that demonstrates the bug and keep it short and simple.
-->
* **Version**: <!-- libuv version -->
* **Platform**: <!-- `uname -a` (UNIX), or Windows version and machine type -->

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deps/libuv/.github/stale.yml vendored Normal file
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# Number of days of inactivity before an issue becomes stale
daysUntilStale: 21
# Number of days of inactivity before a stale issue is closed
# Set to false to disable. If disabled, issues still need to be closed
# manually, but will remain marked as stale.
daysUntilClose: 120
# Issues with these labels will never be considered stale
exemptLabels:
- v2
- enhancement
- good first issue
- feature-request
- doc
- bug
- not-stale
# Label to use when marking an issue as stale
staleLabel: stale
# Comment to post when marking an issue as stale. Set to `false` to disable
markComment: >
This issue has been automatically marked as stale because it has not had
recent activity. It will be closed if no further activity occurs. Thank you
for your contributions.
# Comment to post when closing a stale issue. Set to `false` to disable
closeComment: false

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name: CI
on: [push, pull_request]
jobs:
build-android:
runs-on: ubuntu-latest
container: reactnativecommunity/react-native-android:2020-5-20
steps:
- uses: actions/checkout@v2
- name: Envinfo
run: npx envinfo
- name: Build android arm64
# see build options you can use in https://developer.android.com/ndk/guides/cmake
run: |
mkdir build && cd build
$ANDROID_HOME/cmake/3.10.2.4988404/bin/cmake -DCMAKE_TOOLCHAIN_FILE=$ANDROID_HOME/ndk/20.0.5594570/build/cmake/android.toolchain.cmake -DCMAKE_BUILD_TYPE=Release -DANDROID_ABI="arm64-v8a" -DANDROID_PLATFORM=android-21 ..
$ANDROID_HOME/cmake/3.10.2.4988404/bin/cmake --build .
build-cross-qemu:
runs-on: ubuntu-latest
name: build-cross-qemu-${{ matrix.config.target }}
strategy:
fail-fast: false
matrix:
config:
- {target: arm, toolchain: gcc-arm-linux-gnueabi, cc: arm-linux-gnueabi-gcc, qemu: qemu-arm-static }
- {target: armhf, toolchain: gcc-arm-linux-gnueabihf, cc: arm-linux-gnueabihf-gcc, qemu: qemu-arm-static }
- {target: aarch64, toolchain: gcc-aarch64-linux-gnu, cc: aarch64-linux-gnu-gcc, qemu: qemu-aarch64-static }
- {target: riscv64, toolchain: gcc-riscv64-linux-gnu, cc: riscv64-linux-gnu-gcc, qemu: qemu-riscv64-static }
- {target: ppc, toolchain: gcc-powerpc-linux-gnu, cc: powerpc-linux-gnu-gcc, qemu: qemu-ppc-static }
- {target: ppc64, toolchain: gcc-powerpc64-linux-gnu, cc: powerpc64-linux-gnu-gcc, qemu: qemu-ppc64-static }
- {target: ppc64le, toolchain: gcc-powerpc64le-linux-gnu, cc: powerpc64le-linux-gnu-gcc, qemu: qemu-ppc64le-static }
- {target: s390x, toolchain: gcc-s390x-linux-gnu, cc: s390x-linux-gnu-gcc, qemu: qemu-s390x-static }
- {target: mips, toolchain: gcc-mips-linux-gnu, cc: mips-linux-gnu-gcc, qemu: qemu-mips-static }
- {target: mips64, toolchain: gcc-mips64-linux-gnuabi64, cc: mips64-linux-gnuabi64-gcc, qemu: qemu-mips64-static }
- {target: mipsel, toolchain: gcc-mipsel-linux-gnu, cc: mipsel-linux-gnu-gcc, qemu: qemu-mipsel-static }
- {target: mips64el,toolchain: gcc-mips64el-linux-gnuabi64, cc: mips64el-linux-gnuabi64-gcc,qemu: qemu-mips64el-static }
- {target: alpha, toolchain: gcc-alpha-linux-gnu, cc: alpha-linux-gnu-gcc, qemu: qemu-alpha-static }
- {target: arm (u64 slots), toolchain: gcc-arm-linux-gnueabi, cc: arm-linux-gnueabi-gcc, qemu: qemu-arm-static}
- {target: aarch64 (u64 slots), toolchain: gcc-aarch64-linux-gnu, cc: aarch64-linux-gnu-gcc, qemu: qemu-aarch64-static}
- {target: ppc (u64 slots), toolchain: gcc-powerpc-linux-gnu, cc: powerpc-linux-gnu-gcc, qemu: qemu-ppc-static}
- {target: ppc64 (u64 slots), toolchain: gcc-powerpc64-linux-gnu, cc: powerpc64-linux-gnu-gcc, qemu: qemu-ppc64-static}
steps:
- uses: actions/checkout@v2
- name: Install QEMU
# this ensure install latest qemu on ubuntu, apt get version is old
env:
QEMU_SRC: "http://archive.ubuntu.com/ubuntu/pool/universe/q/qemu"
QEMU_VER: "qemu-user-static_4\\.2-.*_amd64.deb$"
run: |
DEB=`curl -s $QEMU_SRC/ | grep -o -E 'href="([^"#]+)"' | cut -d'"' -f2 | grep $QEMU_VER | tail -1`
wget $QEMU_SRC/$DEB
sudo dpkg -i $DEB
- name: Install ${{ matrix.config.toolchain }}
run: |
sudo apt update
sudo apt install ${{ matrix.config.toolchain }} -y
- name: Build
run: |
mkdir build
cd build && cmake .. -DBUILD_TESTING=ON -DQEMU=ON -DCMAKE_C_COMPILER=${{ matrix.config.cc }}
cmake --build .
ls -lh
- name: Test
run: |
${{ matrix.config.qemu }} build/uv_run_tests_a

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*.swp
*.[oa]
*.l[oa]
*.opensdf
*.orig
*.pyc
*.sdf
*.suo
.vs/
*.VC.db
*.VC.opendb
core
vgcore.*
.buildstamp
.dirstamp
.deps/
/.libs/
/aclocal.m4
/ar-lib
/autom4te.cache/
/compile
/config.guess
/config.log
/config.status
/config.sub
/configure
/depcomp
/install-sh
/libtool
/libuv.a
/libuv.dylib
/libuv.pc
/libuv.so
/ltmain.sh
/missing
/test-driver
Makefile
Makefile.in
/build/
/test/.libs/
/test/run-tests
/test/run-tests.exe
/test/run-tests.dSYM
/test/run-benchmarks
/test/run-benchmarks.exe
/test/run-benchmarks.dSYM
test_file_*
*.sln
*.sln.cache
*.ncb
*.vcproj
*.vcproj*.user
*.vcxproj
*.vcxproj.filters
*.vcxproj.user
_UpgradeReport_Files/
UpgradeLog*.XML
Debug
Release
ipch
# sphinx generated files
/docs/build/
# Clion / IntelliJ project files
/.idea/
cmake-build-debug/
*.xcodeproj
*.xcworkspace
# make dist output
libuv-*.tar.*

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A. Hauptmann <andreashauptmann@t-online.de>
Aaron Bieber <qbit@deftly.net> <deftly@gmail.com>
Alan Gutierrez <alan@prettyrobots.com> <alan@blogometer.com>
Andrius Bentkus <andrius.bentkus@gmail.com> <toxedvirus@gmail.com>
Bert Belder <bertbelder@gmail.com> <i@bertbelder.com>
Bert Belder <bertbelder@gmail.com> <info@2bs.nl>
Bert Belder <bertbelder@gmail.com> <user@ChrUbuntu.(none)>
Brandon Philips <brandon.philips@rackspace.com> <brandon@ifup.org>
Brian White <mscdex@mscdex.net>
Brian White <mscdex@mscdex.net> <mscdex@gmail.com>
Caleb James DeLisle <cjd@hyperboria.ca> <cjd@cjdns.fr>
Christoph Iserlohn <christoph.iserlohn@innoq.com>
Devchandra Meetei Leishangthem <dlmeetei@gmail.com>
Fedor Indutny <fedor.indutny@gmail.com> <fedor@indutny.com>
Frank Denis <github@pureftpd.org>
Imran Iqbal <imrani@ca.ibm.com> <imran@imraniqbal.org>
Isaac Z. Schlueter <i@izs.me>
Jason Williams <necmon@yahoo.com>
Jesse Gorzinski <jgorzinski@gmail.com>
Jesse Gorzinski <jgorzinski@gmail.com> <jgorzins@us.ibm.com>
Justin Venus <justin.venus@gmail.com> <justin.venus@orbitz.com>
Keno Fischer <kenof@stanford.edu> <kfischer+github@college.harvard.edu>
Keno Fischer <kenof@stanford.edu> <kfischer@college.harvard.edu>
Leith Bade <leith@leithalweapon.geek.nz> <leith@mapbox.com>
Leonard Hecker <leonard.hecker91@gmail.com> <leonard@hecker.io>
Maciej Małecki <maciej.malecki@notimplemented.org> <me@mmalecki.com>
Marc Schlaich <marc.schlaich@googlemail.com> <marc.schlaich@gmail.com>
Michael <michael_dawson@ca.ibm.com>
Michael Neumann <mneumann@think.localnet> <mneumann@ntecs.de>
Michael Penick <michael.penick@datastax.com> <mpenick@users.noreply.github.com>
Nicholas Vavilov <vvnicholas@gmail.com>
Nick Logan <ugexe@cpan.org> <nlogan@gmail.com>
Rasmus Christian Pedersen <zerhacken@yahoo.com>
Rasmus Christian Pedersen <zerhacken@yahoo.com> <ruysch@outlook.com>
Robert Mustacchi <rm@joyent.com> <rm@fingolfin.org>
Ryan Dahl <ryan@joyent.com> <ry@tinyclouds.org>
Ryan Emery <seebees@gmail.com>
Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Sam Roberts <vieuxtech@gmail.com> <sam@strongloop.com>
San-Tai Hsu <vanilla@fatpipi.com>
Santiago Gimeno <santiago.gimeno@quantion.es> <santiago.gimeno@gmail.com>
Saúl Ibarra Corretgé <saghul@gmail.com>
Saúl Ibarra Corretgé <saghul@gmail.com> <s@saghul.net>
Shigeki Ohtsu <ohtsu@iij.ad.jp> <ohtsu@ohtsu.org>
TK-one <tk5641@naver.com>
Timothy J. Fontaine <tjfontaine@gmail.com>
Yasuhiro Matsumoto <mattn.jp@gmail.com>
Yazhong Liu <yorkiefixer@gmail.com>
Yuki Okumura <mjt@cltn.org>
gengjiawen <technicalcute@gmail.com>
jBarz <jBarz@users.noreply.github.com> <jbarboza@ca.ibm.com>
jBarz <jBarz@users.noreply.github.com> <jbarz@users.noreply.github.com>
ptlomholt <pt@lomholt.com>
zlargon <zlargon1988@gmail.com>

450
deps/libuv/AUTHORS vendored Normal file
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@ -0,0 +1,450 @@
# Authors ordered by first contribution.
Ryan Dahl <ryan@joyent.com>
Bert Belder <bertbelder@gmail.com>
Josh Roesslein <jroesslein@gmail.com>
Alan Gutierrez <alan@prettyrobots.com>
Joshua Peek <josh@joshpeek.com>
Igor Zinkovsky <igorzi@microsoft.com>
San-Tai Hsu <vanilla@fatpipi.com>
Ben Noordhuis <info@bnoordhuis.nl>
Henry Rawas <henryr@schakra.com>
Robert Mustacchi <rm@joyent.com>
Matt Stevens <matt@alloysoft.com>
Paul Querna <pquerna@apache.org>
Shigeki Ohtsu <ohtsu@iij.ad.jp>
Tom Hughes <tom.hughes@palm.com>
Peter Bright <drpizza@quiscalusmexicanus.org>
Jeroen Janssen <jeroen.janssen@gmail.com>
Andrea Lattuada <ndr.lattuada@gmail.com>
Augusto Henrique Hentz <ahhentz@gmail.com>
Clifford Heath <clifford.heath@gmail.com>
Jorge Chamorro Bieling <jorge@jorgechamorro.com>
Luis Lavena <luislavena@gmail.com>
Matthew Sporleder <msporleder@gmail.com>
Erick Tryzelaar <erick.tryzelaar@gmail.com>
Isaac Z. Schlueter <i@izs.me>
Pieter Noordhuis <pcnoordhuis@gmail.com>
Marek Jelen <marek@jelen.biz>
Fedor Indutny <fedor.indutny@gmail.com>
Saúl Ibarra Corretgé <saghul@gmail.com>
Felix Geisendörfer <felix@debuggable.com>
Yuki Okumura <mjt@cltn.org>
Roman Shtylman <shtylman@gmail.com>
Frank Denis <github@pureftpd.org>
Carter Allen <CarterA@opt-6.com>
Tj Holowaychuk <tj@vision-media.ca>
Shimon Doodkin <helpmepro1@gmail.com>
Ryan Emery <seebees@gmail.com>
Bruce Mitchener <bruce.mitchener@gmail.com>
Maciej Małecki <maciej.malecki@notimplemented.org>
Yasuhiro Matsumoto <mattn.jp@gmail.com>
Daisuke Murase <typester@cpan.org>
Paddy Byers <paddy.byers@gmail.com>
Dan VerWeire <dverweire@gmail.com>
Brandon Benvie <brandon@bbenvie.com>
Brandon Philips <brandon.philips@rackspace.com>
Nathan Rajlich <nathan@tootallnate.net>
Charlie McConnell <charlie@charlieistheman.com>
Vladimir Dronnikov <dronnikov@gmail.com>
Aaron Bieber <qbit@deftly.net>
Bulat Shakirzyanov <mallluhuct@gmail.com>
Brian White <mscdex@mscdex.net>
Erik Dubbelboer <erik@dubbelboer.com>
Keno Fischer <kenof@stanford.edu>
Ira Cooper <Ira.Cooper@mathworks.com>
Andrius Bentkus <andrius.bentkus@gmail.com>
Iñaki Baz Castillo <ibc@aliax.net>
Mark Cavage <mark.cavage@joyent.com>
George Yohng <georgegh@oss3d.com>
Xidorn Quan <quanxunzhen@gmail.com>
Roman Neuhauser <rneuhauser@suse.cz>
Shuhei Tanuma <shuhei.tanuma@gmail.com>
Bryan Cantrill <bcantrill@acm.org>
Trond Norbye <trond.norbye@gmail.com>
Tim Holy <holy@wustl.edu>
Prancesco Pertugio <meh@schizofreni.co>
Leonard Hecker <leonard.hecker91@gmail.com>
Andrew Paprocki <andrew@ishiboo.com>
Luigi Grilli <luigi.grilli@gmail.com>
Shannen Saez <shannenlaptop@gmail.com>
Artur Adib <arturadib@gmail.com>
Hiroaki Nakamura <hnakamur@gmail.com>
Ting-Yu Lin <ph.minamo@cytisan.com>
Stephen Gallagher <sgallagh@redhat.com>
Shane Holloway <shane.holloway@ieee.org>
Andrew Shaffer <darawk@gmail.com>
Vlad Tudose <vlad.tudose@intel.com>
Ben Leslie <benno@benno.id.au>
Tim Bradshaw <tfb@cley.com>
Timothy J. Fontaine <tjfontaine@gmail.com>
Marc Schlaich <marc.schlaich@googlemail.com>
Brian Mazza <louseman@gmail.com>
Elliot Saba <staticfloat@gmail.com>
Ben Kelly <ben@wanderview.com>
Nils Maier <maierman@web.de>
Nicholas Vavilov <vvnicholas@gmail.com>
Miroslav Bajtoš <miro.bajtos@gmail.com>
Sean Silva <chisophugis@gmail.com>
Wynn Wilkes <wynnw@movenetworks.com>
Andrei Sedoi <bsnote@gmail.com>
Alex Crichton <alex@alexcrichton.com>
Brent Cook <brent@boundary.com>
Brian Kaisner <bkize1@gmail.com>
Luca Bruno <lucab@debian.org>
Reini Urban <rurban@cpanel.net>
Maks Naumov <maksqwe1@ukr.net>
Sean Farrell <sean.farrell@rioki.org>
Chris Bank <cbank@adobe.com>
Geert Jansen <geertj@gmail.com>
Christoph Iserlohn <christoph.iserlohn@innoq.com>
Steven Kabbes <stevenkabbes@gmail.com>
Alex Gaynor <alex.gaynor@gmail.com>
huxingyi <huxingyi@msn.com>
Tenor Biel <tenorbiel@gmail.com>
Andrej Manduch <AManduch@gmail.com>
Joshua Neuheisel <joshua@neuheisel.us>
Alexis Campailla <alexis@janeasystems.com>
Yazhong Liu <yorkiefixer@gmail.com>
Sam Roberts <vieuxtech@gmail.com>
River Tarnell <river@loreley.flyingparchment.org.uk>
Nathan Sweet <nathanjsweet@gmail.com>
Trevor Norris <trev.norris@gmail.com>
Oguz Bastemur <obastemur@gmail.com>
Dylan Cali <calid1984@gmail.com>
Austin Foxley <austinf@cetoncorp.com>
Benjamin Saunders <ben.e.saunders@gmail.com>
Geoffry Song <goffrie@gmail.com>
Rasmus Christian Pedersen <ruysch@outlook.com>
William Light <wrl@illest.net>
Oleg Efimov <o.efimov@corp.badoo.com>
Lars Gierth <larsg@systemli.org>
Rasmus Christian Pedersen <zerhacken@yahoo.com>
Justin Venus <justin.venus@gmail.com>
Kristian Evensen <kristian.evensen@gmail.com>
Linus Mårtensson <linus.martensson@sonymobile.com>
Navaneeth Kedaram Nambiathan <navaneethkn@gmail.com>
Yorkie <yorkiefixer@gmail.com>
StarWing <weasley.wx@gmail.com>
thierry-FreeBSD <thierry@FreeBSD.org>
Isaiah Norton <isaiah.norton@gmail.com>
Raul Martins <raulms.martins@gmail.com>
David Capello <davidcapello@gmail.com>
Paul Tan <pyokagan@gmail.com>
Javier Hernández <jhernandez@emergya.com>
Tonis Tiigi <tonistiigi@gmail.com>
Norio Kobota <nori.0428@gmail.com>
李港平 <chopdown@gmail.com>
Chernyshev Viacheslav <astellar@ro.ru>
Stephen von Takach <steve@advancedcontrol.com.au>
JD Ballard <jd@pixelandline.com>
Luka Perkov <luka.perkov@sartura.hr>
Ryan Cole <ryan@rycole.com>
HungMingWu <u9089000@gmail.com>
Jay Satiro <raysatiro@yahoo.com>
Leith Bade <leith@leithalweapon.geek.nz>
Peter Atashian <retep998@gmail.com>
Tim Cooper <tim.cooper@layeh.com>
Caleb James DeLisle <cjd@hyperboria.ca>
Jameson Nash <vtjnash@gmail.com>
Graham Lee <ghmlee@ghmlee.com>
Andrew Low <Andrew_Low@ca.ibm.com>
Pavel Platto <hinidu@gmail.com>
Tony Kelman <tony@kelman.net>
John Firebaugh <john.firebaugh@gmail.com>
lilohuang <lilohuang@hotmail.com>
Paul Goldsmith <paul.goldsmith@aplink.net>
Julien Gilli <julien.gilli@joyent.com>
Michael Hudson-Doyle <michael.hudson@linaro.org>
Recep ASLANTAS <m@recp.me>
Rob Adams <readams@readams.net>
Zachary Newman <znewman01@gmail.com>
Robin Hahling <robin.hahling@gw-computing.net>
Jeff Widman <jeff@jeffwidman.com>
cjihrig <cjihrig@gmail.com>
Tomasz Kołodziejski <tkolodziejski@mozilla.com>
Unknown W. Brackets <checkins@unknownbrackets.org>
Emmanuel Odeke <odeke@ualberta.ca>
Mikhail Mukovnikov <yndi@me.com>
Thorsten Lorenz <thlorenz@gmx.de>
Yuri D'Elia <yuri.delia@eurac.edu>
Manos Nikolaidis <manos@shadowrobot.com>
Elijah Andrews <elijah@busbud.com>
Michael Ira Krufky <m.krufky@samsung.com>
Helge Deller <deller@gmx.de>
Joey Geralnik <jgeralnik@gmail.com>
Tim Caswell <tim@creationix.com>
Logan Rosen <loganrosen@gmail.com>
Kenneth Perry <thothonegan@gmail.com>
John Marino <marino@FreeBSD.org>
Alexey Melnichuk <mimir@newmail.ru>
Johan Bergström <bugs@bergstroem.nu>
Alex Mo <almosnow@gmail.com>
Luis Martinez de Bartolome <lasote@gmail.com>
Michael Penick <michael.penick@datastax.com>
Michael <michael_dawson@ca.ibm.com>
Massimiliano Torromeo <massimiliano.torromeo@gmail.com>
TomCrypto <thomas.beneteau@yahoo.fr>
Brett Vickers <brett@beevik.com>
Ole André Vadla Ravnås <oleavr@gmail.com>
Kazuho Oku <kazuhooku@gmail.com>
Ryan Phillips <ryan.phillips@rackspace.com>
Brian Green <briangreenery@gmail.com>
Devchandra Meetei Leishangthem <dlmeetei@gmail.com>
Corey Farrell <git@cfware.com>
Per Nilsson <pni@qlik.com>
Alan Rogers <alanjrogers@me.com>
Daryl Haresign <github@daryl.haresign.com>
Rui Abreu Ferreira <raf-ep@gmx.com>
João Reis <reis@janeasystems.com>
farblue68 <farblue68@gmail.com>
Jason Williams <necmon@yahoo.com>
Igor Soarez <igorsoarez@gmail.com>
Miodrag Milanovic <mmicko@gmail.com>
Cheng Zhao <zcbenz@gmail.com>
Michael Neumann <mneumann@think.localnet>
Stefano Cristiano <stefanocristiano82@gmail.com>
heshamsafi <hesham.safi.eldeen@gmail.com>
A. Hauptmann <andreashauptmann@t-online.de>
John McNamee <jpm@microwiz.com>
Yosuke Furukawa <yosuke.furukawa@gmail.com>
Santiago Gimeno <santiago.gimeno@quantion.es>
guworks <ground.up.works@gmail.com>
RossBencina <rossb@audiomulch.com>
Roger A. Light <roger@atchoo.org>
chenttuuvv <chenttuuvv@yahoo.com>
Richard Lau <riclau@uk.ibm.com>
ronkorving <rkorving@wizcorp.jp>
Corbin Simpson <MostAwesomeDude@gmail.com>
Zachary Hamm <zsh@imipolexg.org>
Karl Skomski <karl@skomski.com>
Jeremy Whitlock <jwhitlock@apache.org>
Willem Thiart <himself@willemthiart.com>
Ben Trask <bentrask@comcast.net>
Jianghua Yang <jianghua.yjh@alibaba-inc.com>
Colin Snover <github.com@zetafleet.com>
Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Eli Skeggs <skeggse@gmail.com>
nmushell <nmushell@bloomberg.net>
Gireesh Punathil <gpunathi@in.ibm.com>
Ryan Johnston <ryan@mediapixel.co.nz>
Adam Stylinski <stylinae@mail.uc.edu>
Nathan Corvino <nathan@corvino.com>
Wink Saville <wink@saville.com>
Angel Leon <gubatron@gmail.com>
Louis DeJardin <lodejard@microsoft.com>
Imran Iqbal <imrani@ca.ibm.com>
Petka Antonov <petka_antonov@hotmail.com>
Ian Kronquist <iankronquist@teleport.com>
kkdaemon <kkdaemon@gmail.com>
Yuval Brik <yuval@brik.org.il>
Joran Dirk Greef <joran@ronomon.com>
Andrey Mazo <andrey.mazo@fidelissecurity.com>
sztomi <hello.sztomi@gmail.com>
Martin Bark <martin@barkynet.com>
Dave <dave@jut.io>
Alexis Murzeau <amubtdx@gmail.com>
Didiet <lynxluna@gmail.com>
Nan Xiang <514580344@qq.com>
Samuel Lorétan <sloretan@riotgames.com>
Nándor István Krácser <bonifaido@gmail.com>
Katsutoshi Horie <mps299792458@gmail.com>
Lukasz Jagiello <lukasz@wikia-inc.com>
Robert Chiras <robert.chiras@intel.com>
Kári Tristan Helgason <kthelgason@gmail.com>
Krishnaraj Bhat <krrishnarraj@gmail.com>
Enno Boland <g@s01.de>
Michael Fero <michael.fero@datastax.com>
Robert Jefe Lindstaedt <robert.lindstaedt@gmail.com>
Myles Borins <myles.borins@gmail.com>
Tony Theodore <tonyt@logyst.com>
Jason Ginchereau <jasongin@microsoft.com>
Nicolas Cavallari <nicolas.cavallari@green-communications.fr>
Pierre-Marie de Rodat <pmderodat@kawie.fr>
Brian Maher <brian@brimworks.com>
neevek <i@neevek.net>
John Barboza <jbarboza@ca.ibm.com>
liuxiaobo <icexile@qq.com>
Michele Caini <michele.caini@gmail.com>
Bartosz Sosnowski <bartosz@janeasystems.com>
Matej Knopp <matej.knopp@gmail.com>
sunjin.lee <kod21236@gmail.com>
Matt Clarkson <mattyclarkson@gmail.com>
Jeffrey Clark <dude@zaplabs.com>
Bart Robinson <bartarr@gmail.com>
Vit Gottwald <vit.gottwald@gmail.com>
Vladimír Čunát <vladimir.cunat@nic.cz>
Alex Hultman <alexhultman@gmail.com>
Brad King <brad.king@kitware.com>
Philippe Laferriere <laferriere.phil@gmail.com>
Will Speak <lithiumflame@gmail.com>
Hitesh Kanwathirtha <digitalinfinity@gmail.com>
Eric Sciple <ersciple@microsoft.com>
jBarz <jBarz@users.noreply.github.com>
muflub <admin@lodle.net>
Daniel Bevenius <daniel.bevenius@gmail.com>
Howard Hellyer <hhellyer@uk.ibm.com>
Chris Araman <chris.araman@fuze.com>
Vladimir Matveev <vladima@microsoft.com>
Jason Madden <jamadden@gmail.com>
Jamie Davis <davisjam@vt.edu>
Daniel Kahn Gillmor <dkg@fifthhorseman.net>
Keane <erich.keane@intel.com>
James McCoy <jamessan@jamessan.com>
Bernardo Ramos <berna.gensis@gmail.com>
Juan Cruz Viotti <jviotti@openmailbox.org>
Gemini Wen <geminiwen@aliyun.com>
Sebastian Wiedenroth <wiedi@frubar.net>
Sai Ke WANG <swang304@bloomberg.net>
Barnabas Gema <gema.barnabas@gmail.com>
Romain Caire <romain@blade-group.com>
Robert Ayrapetyan <robert.ayrapetyan@gmail.com>
Refael Ackermann <refack@gmail.com>
André Klitzing <aklitzing@gmail.com>
Matthew Taylor <mstaveleytaylor@gmail.com>
CurlyMoo <curlymoo1@gmail.com>
XadillaX <admin@xcoder.in>
Anticrisis <anticrisisg@gmail.com>
Jacob Segal <jacob.e.segal@gmail.com>
Maciej Szeptuch (Neverous) <neverous@neverous.info>
Joel Winarske <joel.winarske@inrix.com>
Gergely Nagy <ngg@tresorit.com>
Kamil Rytarowski <n54@gmx.com>
tux.uudiin <77389867@qq.com>
Nick Logan <ugexe@cpan.org>
darobs <darobs@microsoft.com>
Zheng, Lei <realthunder.dev@gmail.com>
Carlo Marcelo Arenas Belón <carenas@gmail.com>
Scott Parker <scott.parker087@gmail.com>
Wade Brainerd <Wade.Brainerd@activision.com>
rayrase <rmartinez2175@eagle.fgcu.edu>
Pekka Nikander <pekka.nikander@iki.fi>
Ed Schouten <ed@nuxi.nl>
Xu Meng <mengxumx@cn.ibm.com>
Matt Harrison <hi@matt-harrison.com>
Anna Henningsen <anna@addaleax.net>
Jérémy Lal <kapouer@melix.org>
Ben Wijen <ben@wijen.net>
elephantp <elephantp@elephantp.blog>
Felix Yan <felixonmars@archlinux.org>
Mason X <me@masonx.ca>
Jesse Gorzinski <jgorzinski@gmail.com>
Ryuichi KAWAMATA <ryuichi.kawamata@dena.jp>
Joyee Cheung <joyeec9h3@gmail.com>
Michael Kilburn <crusader.mike@gmail.com>
Ruslan Bekenev <furyinbox@gmail.com>
Bob Burger <rgburger@beckman.com>
Thomas Versteeg <thomasversteeg@gmx.com>
zzzjim <zzzjim@users.noreply.github.com>
Alex Arslan <ararslan@comcast.net>
Kyle Farnung <kfarnung@microsoft.com>
ssrlive <30760636+ssrlive@users.noreply.github.com>
Tobias Nießen <tniessen@tnie.de>
Björn Linse <bjorn.linse@gmail.com>
zyxwvu Shi <i@shiyc.cn>
Peter Johnson <johnson.peter@gmail.com>
Paolo Greppi <paolo.greppi@libpf.com>
Shelley Vohr <shelley.vohr@gmail.com>
Ujjwal Sharma <usharma1998@gmail.com>
Michał Kozakiewicz <michalkozakiewicz3@gmail.com>
Emil Bay <github@tixz.dk>
Jeremiah Senkpiel <fishrock123@rocketmail.com>
Andy Zhang <zhangyong232@gmail.com>
dmabupt <dmabupt@gmail.com>
Ryan Liptak <squeek502@hotmail.com>
Ali Ijaz Sheikh <ofrobots@google.com>
hitesh <sainihitesh.scientist@gmail.com>
Svante Signell <svante.signell@gmail.com>
Samuel Thibault <sthibault@debian.org>
Jeremy Studer <studerj1.mail@gmail.com>
damon-kwok <563066990@qq.com>
Damon Kwok <MedusaIDE@outlook.com>
Ashe Connor <ashe@kivikakk.ee>
Rick <lcw0622@163.com>
Ivan Krylov <krylov.r00t@gmail.com>
Michael Meier <michael.meier@leica-geosystems.com>
ptlomholt <pt@lomholt.com>
Victor Costan <pwnall@chromium.org>
sid <sidyhe@hotmail.com>
Kevin Adler <kadler@us.ibm.com>
Stephen Belanger <admin@stephenbelanger.com>
yeyuanfeng <yeyuanfeng@bytedance.com>
erw7 <erw7.github@gmail.com>
Thomas Karl Pietrowski <thopiekar@gmail.com>
evgley <evgley@gmail.com>
Andreas Rohner <andreas.rohner@gmx.net>
Rich Trott <rtrott@gmail.com>
Milad Farazmand <miladfar@ca.ibm.com>
zlargon <zlargon1988@gmail.com>
Yury Selivanov <yury@magic.io>
Oscar Waddell <owaddell@beckman.com>
FX Coudert <fxcoudert@gmail.com>
George Zhao <zhaozg@gmail.com>
Kyle Edwards <kyle.edwards@kitware.com>
ken-cunningham-webuse <ken.cunningham.webuse@gmail.com>
Kelvin Jin <kelvinjin@google.com>
Leorize <leorize+oss@disroot.org>
Vlad A <vladmore@gmail.com>
Niels Lohmann <mail@nlohmann.me>
Jenil Christo <jenilchristo5@gmail.com>
Evgeny Ermakov <evgeny.v.ermakov@gmail.com>
gengjiawen <technicalcute@gmail.com>
Leo Chung <gewalalb@gmail.com>
Javier Blazquez <jblazquez@riotgames.com>
Mustafa M <mus-m@outlook.com>
Zach Bjornson <zbbjornson@gmail.com>
Nan Xiao <nan@chinadtrace.org>
Ben Davies <kaiepi@outlook.com>
Nhan Khong <knhana7@gmail.com>
Crunkle <justcrunkle@hotmail.co.uk>
Tomas Krizek <tomas.krizek@nic.cz>
Konstantin Podsvirov <konstantin@podsvirov.pro>
seny <arseny.vakhrushev@gmail.com>
Vladimir Karnushin <v.karnushin@mail.ru>
MaYuming <maym@appexnetworks.com>
Eneas U de Queiroz <cotequeiroz@gmail.com>
Daniel Hahler <git@thequod.de>
Yang Yu <yang.yu@disigma.org>
David Carlier <devnexen@gmail.com>
Calvin Hill <calvin@hakobaito.co.uk>
Isabella Muerte <63051+slurps-mad-rips@users.noreply.github.com>
Ouyang Yadong <oyydoibh@gmail.com>
ZYSzys <zyszys98@gmail.com>
Carl Lei <xecycle@gmail.com>
Stefan Bender <stefan.bender@ntnu.no>
nia <nia@NetBSD.org>
virtualyw <virtualyw@gmail.com>
Witold Kręcicki <wpk@isc.org>
Dominique Dumont <dod@debian.org>
Manuel BACHMANN <tarnyko@tarnyko.net>
Marek Vavrusa <marek@vavrusa.com>
TK-one <tk5641@naver.com>
Irek Fakhrutdinov <ifakhrutdinov@rocketsoftware.com>
Lin Zhang <linroid@gmail.com>
毛毛 <srayuws@users.noreply.github.com>
Sk Sajidul Kadir <sheikh.sajid522@gmail.com>
twosee <twose@qq.com>
Rikard Falkeborn <rikard.falkeborn@gmail.com>
Yash Ladha <yashladhapankajladha123@gmail.com>
James Ross <git@james-ross.co.uk>
Colin Finck <colin@reactos.org>
Shohei YOSHIDA <syohex@gmail.com>
Philip Chimento <philip.chimento@gmail.com>
Michal Artazov <michal@artazov.cz>
Jeroen Roovers <jer@gentoo.org>
MasterDuke17 <MasterDuke17@users.noreply.github.com>
Alexander Tokmakov <avtokmakov@yandex-team.ru>
Arenoros <arenoros@gmail.com>
lander0s <dh.landeros08@gmail.com>
Turbinya <wownucleos@gmail.com>
OleksandrKvl <oleksandrdvl@gmail.com>
Carter Li <carter.li@eoitek.com>
Juan Sebastian velez Posada <jvelezpo@users.noreply.github.com>
escherstair <ernestviga@gmail.com>
Evan Lucas <evanlucas@me.com>
tjarlama <59913901+tjarlama@users.noreply.github.com>
司徒玟琅 <sanjusss@qq.com>
YuMeiJie <yumeijie@huawei.com>
Aleksej Lebedev <root@zta.lk>
Nikolay Mitev <github@hmel.org>
Ulrik Strid <ulrik.strid@outlook.com>
Elad Lahav <elahav@qnx.com>

619
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cmake_minimum_required(VERSION 3.4)
project(libuv LANGUAGES C)
cmake_policy(SET CMP0057 NEW) # Enable IN_LIST operator
cmake_policy(SET CMP0064 NEW) # Support if (TEST) operator
list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
include(CMakePackageConfigHelpers)
include(CMakeDependentOption)
include(CheckCCompilerFlag)
include(GNUInstallDirs)
include(CTest)
set(CMAKE_C_VISIBILITY_PRESET hidden)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS ON)
set(CMAKE_C_STANDARD 90)
cmake_dependent_option(LIBUV_BUILD_TESTS
"Build the unit tests when BUILD_TESTING is enabled and we are the root project" ON
"BUILD_TESTING;CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR" OFF)
cmake_dependent_option(LIBUV_BUILD_BENCH
"Build the benchmarks when building unit tests and we are the root project" ON
"LIBUV_BUILD_TESTS" OFF)
# Qemu Build
option(QEMU "build for qemu" OFF)
if(QEMU)
add_definitions(-D__QEMU__=1)
endif()
# Compiler check
string(CONCAT is-msvc $<OR:
$<C_COMPILER_ID:MSVC>,
$<STREQUAL:${CMAKE_C_COMPILER_FRONTEND_VARIANT},MSVC>
>)
check_c_compiler_flag(/W4 UV_LINT_W4)
check_c_compiler_flag(/wd4100 UV_LINT_NO_UNUSED_PARAMETER_MSVC)
check_c_compiler_flag(/wd4127 UV_LINT_NO_CONDITIONAL_CONSTANT_MSVC)
check_c_compiler_flag(/wd4201 UV_LINT_NO_NONSTANDARD_MSVC)
check_c_compiler_flag(/wd4206 UV_LINT_NO_NONSTANDARD_EMPTY_TU_MSVC)
check_c_compiler_flag(/wd4210 UV_LINT_NO_NONSTANDARD_FILE_SCOPE_MSVC)
check_c_compiler_flag(/wd4232 UV_LINT_NO_NONSTANDARD_NONSTATIC_DLIMPORT_MSVC)
check_c_compiler_flag(/wd4456 UV_LINT_NO_HIDES_LOCAL)
check_c_compiler_flag(/wd4457 UV_LINT_NO_HIDES_PARAM)
check_c_compiler_flag(/wd4459 UV_LINT_NO_HIDES_GLOBAL)
check_c_compiler_flag(/wd4706 UV_LINT_NO_CONDITIONAL_ASSIGNMENT_MSVC)
check_c_compiler_flag(/wd4996 UV_LINT_NO_UNSAFE_MSVC)
check_c_compiler_flag(-Wall UV_LINT_WALL) # DO NOT use this under MSVC
# TODO: Place these into its own function
check_c_compiler_flag(-Wno-unused-parameter UV_LINT_NO_UNUSED_PARAMETER)
check_c_compiler_flag(-Wstrict-prototypes UV_LINT_STRICT_PROTOTYPES)
check_c_compiler_flag(-Wextra UV_LINT_EXTRA)
check_c_compiler_flag(/utf-8 UV_LINT_UTF8_MSVC)
set(lint-no-unused-parameter $<$<BOOL:${UV_LINT_NO_UNUSED_PARAMETER}>:-Wno-unused-parameter>)
set(lint-strict-prototypes $<$<BOOL:${UV_LINT_STRICT_PROTOTYPES}>:-Wstrict-prototypes>)
set(lint-extra $<$<BOOL:${UV_LINT_EXTRA}>:-Wextra>)
set(lint-w4 $<$<BOOL:${UV_LINT_W4}>:/W4>)
set(lint-no-unused-parameter-msvc $<$<BOOL:${UV_LINT_NO_UNUSED_PARAMETER_MSVC}>:/wd4100>)
set(lint-no-conditional-constant-msvc $<$<BOOL:${UV_LINT_NO_CONDITIONAL_CONSTANT_MSVC}>:/wd4127>)
set(lint-no-nonstandard-msvc $<$<BOOL:${UV_LINT_NO_NONSTANDARD_MSVC}>:/wd4201>)
set(lint-no-nonstandard-empty-tu-msvc $<$<BOOL:${UV_LINT_NO_NONSTANDARD_EMPTY_TU_MSVC}>:/wd4206>)
set(lint-no-nonstandard-file-scope-msvc $<$<BOOL:${UV_LINT_NO_NONSTANDARD_FILE_SCOPE_MSVC}>:/wd4210>)
set(lint-no-nonstandard-nonstatic-dlimport-msvc $<$<BOOL:${UV_LINT_NO_NONSTANDARD_NONSTATIC_DLIMPORT_MSVC}>:/wd4232>)
set(lint-no-hides-local-msvc $<$<BOOL:${UV_LINT_NO_HIDES_LOCAL}>:/wd4456>)
set(lint-no-hides-param-msvc $<$<BOOL:${UV_LINT_NO_HIDES_PARAM}>:/wd4457>)
set(lint-no-hides-global-msvc $<$<BOOL:${UV_LINT_NO_HIDES_GLOBAL}>:/wd4459>)
set(lint-no-conditional-assignment-msvc $<$<BOOL:${UV_LINT_NO_CONDITIONAL_ASSIGNMENT_MSVC}>:/wd4706>)
set(lint-no-unsafe-msvc $<$<BOOL:${UV_LINT_NO_UNSAFE_MSVC}>:/wd4996>)
# Unfortunately, this one is complicated because MSVC and clang-cl support -Wall
# but using it is like calling -Weverything
string(CONCAT lint-default $<
$<AND:$<BOOL:${UV_LINT_WALL}>,$<NOT:${is-msvc}>>:-Wall
>)
set(lint-utf8-msvc $<$<BOOL:${UV_LINT_UTF8_MSVC}>:/utf-8>)
list(APPEND uv_cflags ${lint-strict-prototypes} ${lint-extra} ${lint-default} ${lint-w4})
list(APPEND uv_cflags ${lint-no-unused-parameter})
list(APPEND uv_cflags ${lint-no-unused-parameter-msvc})
list(APPEND uv_cflags ${lint-no-conditional-constant-msvc})
list(APPEND uv_cflags ${lint-no-nonstandard-msvc})
list(APPEND uv_cflags ${lint-no-nonstandard-empty-tu-msvc})
list(APPEND uv_cflags ${lint-no-nonstandard-file-scope-msvc})
list(APPEND uv_cflags ${lint-no-nonstandard-nonstatic-dlimport-msvc})
list(APPEND uv_cflags ${lint-no-hides-local-msvc})
list(APPEND uv_cflags ${lint-no-hides-param-msvc})
list(APPEND uv_cflags ${lint-no-hides-global-msvc})
list(APPEND uv_cflags ${lint-no-conditional-assignment-msvc})
list(APPEND uv_cflags ${lint-no-unsafe-msvc})
list(APPEND uv_cflags ${lint-utf8-msvc} )
set(uv_sources
src/fs-poll.c
src/idna.c
src/inet.c
src/random.c
src/strscpy.c
src/threadpool.c
src/timer.c
src/uv-common.c
src/uv-data-getter-setters.c
src/version.c)
if(WIN32)
list(APPEND uv_defines WIN32_LEAN_AND_MEAN _WIN32_WINNT=0x0600)
list(APPEND uv_libraries
psapi
user32
advapi32
iphlpapi
userenv
ws2_32)
list(APPEND uv_sources
src/win/async.c
src/win/core.c
src/win/detect-wakeup.c
src/win/dl.c
src/win/error.c
src/win/fs.c
src/win/fs-event.c
src/win/getaddrinfo.c
src/win/getnameinfo.c
src/win/handle.c
src/win/loop-watcher.c
src/win/pipe.c
src/win/thread.c
src/win/poll.c
src/win/process.c
src/win/process-stdio.c
src/win/signal.c
src/win/snprintf.c
src/win/stream.c
src/win/tcp.c
src/win/tty.c
src/win/udp.c
src/win/util.c
src/win/winapi.c
src/win/winsock.c)
list(APPEND uv_test_libraries ws2_32)
list(APPEND uv_test_sources src/win/snprintf.c test/runner-win.c)
else()
list(APPEND uv_defines _FILE_OFFSET_BITS=64 _LARGEFILE_SOURCE)
if(NOT CMAKE_SYSTEM_NAME MATCHES "Android|OS390|QNX")
# TODO: This should be replaced with find_package(Threads) if possible
# Android has pthread as part of its c library, not as a separate
# libpthread.so.
list(APPEND uv_libraries pthread)
endif()
list(APPEND uv_sources
src/unix/async.c
src/unix/core.c
src/unix/dl.c
src/unix/fs.c
src/unix/getaddrinfo.c
src/unix/getnameinfo.c
src/unix/loop-watcher.c
src/unix/loop.c
src/unix/pipe.c
src/unix/poll.c
src/unix/process.c
src/unix/random-devurandom.c
src/unix/signal.c
src/unix/stream.c
src/unix/tcp.c
src/unix/thread.c
src/unix/tty.c
src/unix/udp.c)
list(APPEND uv_test_sources test/runner-unix.c)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "AIX")
list(APPEND uv_defines
_ALL_SOURCE
_LINUX_SOURCE_COMPAT
_THREAD_SAFE
_XOPEN_SOURCE=500
HAVE_SYS_AHAFS_EVPRODS_H)
list(APPEND uv_libraries perfstat)
list(APPEND uv_sources
src/unix/aix.c
src/unix/aix-common.c)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Android")
list(APPEND uv_defines _GNU_SOURCE)
list(APPEND uv_libraries dl)
list(APPEND uv_sources
src/unix/android-ifaddrs.c
src/unix/linux-core.c
src/unix/linux-inotify.c
src/unix/linux-syscalls.c
src/unix/procfs-exepath.c
src/unix/pthread-fixes.c
src/unix/random-getentropy.c
src/unix/random-getrandom.c
src/unix/random-sysctl-linux.c)
endif()
if(APPLE OR CMAKE_SYSTEM_NAME MATCHES "Android|Linux|OS390")
list(APPEND uv_sources src/unix/proctitle.c)
endif()
if(CMAKE_SYSTEM_NAME MATCHES "DragonFly|FreeBSD")
list(APPEND uv_sources src/unix/freebsd.c)
endif()
if(CMAKE_SYSTEM_NAME MATCHES "DragonFly|FreeBSD|NetBSD|OpenBSD")
list(APPEND uv_sources src/unix/posix-hrtime.c src/unix/bsd-proctitle.c)
endif()
if(APPLE OR CMAKE_SYSTEM_NAME MATCHES "DragonFly|FreeBSD|NetBSD|OpenBSD")
list(APPEND uv_sources src/unix/bsd-ifaddrs.c src/unix/kqueue.c)
endif()
if(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
list(APPEND uv_sources src/unix/random-getrandom.c)
endif()
if(APPLE OR CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
list(APPEND uv_sources src/unix/random-getentropy.c)
endif()
if(APPLE)
list(APPEND uv_defines _DARWIN_UNLIMITED_SELECT=1 _DARWIN_USE_64_BIT_INODE=1)
list(APPEND uv_sources
src/unix/darwin-proctitle.c
src/unix/darwin.c
src/unix/fsevents.c)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
list(APPEND uv_defines _GNU_SOURCE _POSIX_C_SOURCE=200112)
list(APPEND uv_libraries dl rt)
list(APPEND uv_sources
src/unix/linux-core.c
src/unix/linux-inotify.c
src/unix/linux-syscalls.c
src/unix/procfs-exepath.c
src/unix/random-getrandom.c
src/unix/random-sysctl-linux.c)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "NetBSD")
list(APPEND uv_sources src/unix/netbsd.c)
list(APPEND uv_libraries kvm)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
list(APPEND uv_sources src/unix/openbsd.c)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "OS390")
list(APPEND uv_defines PATH_MAX=255)
list(APPEND uv_defines _AE_BIMODAL)
list(APPEND uv_defines _ALL_SOURCE)
list(APPEND uv_defines _ISOC99_SOURCE)
list(APPEND uv_defines _LARGE_TIME_API)
list(APPEND uv_defines _OPEN_MSGQ_EXT)
list(APPEND uv_defines _OPEN_SYS_FILE_EXT)
list(APPEND uv_defines _OPEN_SYS_IF_EXT)
list(APPEND uv_defines _OPEN_SYS_SOCK_EXT3)
list(APPEND uv_defines _OPEN_SYS_SOCK_IPV6)
list(APPEND uv_defines _UNIX03_SOURCE)
list(APPEND uv_defines _UNIX03_THREADS)
list(APPEND uv_defines _UNIX03_WITHDRAWN)
list(APPEND uv_defines _XOPEN_SOURCE_EXTENDED)
list(APPEND uv_sources
src/unix/pthread-fixes.c
src/unix/os390.c
src/unix/os390-syscalls.c)
list(APPEND uv_cflags -Wc,DLL -Wc,exportall -Wc,xplink)
list(APPEND uv_libraries -Wl,xplink)
list(APPEND uv_test_libraries -Wl,xplink)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "OS400")
list(APPEND uv_defines
_ALL_SOURCE
_LINUX_SOURCE_COMPAT
_THREAD_SAFE
_XOPEN_SOURCE=500)
list(APPEND uv_sources
src/unix/aix-common.c
src/unix/ibmi.c
src/unix/no-fsevents.c
src/unix/posix-poll.c)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
list(APPEND uv_defines __EXTENSIONS__ _XOPEN_SOURCE=500)
list(APPEND uv_libraries kstat nsl sendfile socket)
list(APPEND uv_sources src/unix/no-proctitle.c src/unix/sunos.c)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Haiku")
list(APPEND uv_defines _BSD_SOURCE)
list(APPEND uv_libraries bsd network)
list(APPEND uv_sources
src/unix/haiku.c
src/unix/bsd-ifaddrs.c
src/unix/no-fsevents.c
src/unix/no-proctitle.c
src/unix/posix-hrtime.c
src/unix/posix-poll.c)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "QNX")
list(APPEND uv_sources
src/unix/posix-hrtime.c
src/unix/posix-poll.c
src/unix/qnx.c
src/unix/bsd-ifaddrs.c
src/unix/no-proctitle.c
src/unix/no-fsevents.c)
list(APPEND uv_cflags -fno-strict-aliasing)
list(APPEND uv_libraries socket)
endif()
if(APPLE OR CMAKE_SYSTEM_NAME MATCHES "DragonFly|FreeBSD|Linux|NetBSD|OpenBSD")
list(APPEND uv_test_libraries util)
endif()
add_library(uv SHARED ${uv_sources})
target_compile_definitions(uv
INTERFACE
USING_UV_SHARED=1
PRIVATE
BUILDING_UV_SHARED=1
${uv_defines})
target_compile_options(uv PRIVATE ${uv_cflags})
target_include_directories(uv
PUBLIC
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
PRIVATE
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src>)
target_link_libraries(uv ${uv_libraries})
add_library(uv_a STATIC ${uv_sources})
target_compile_definitions(uv_a PRIVATE ${uv_defines})
target_compile_options(uv_a PRIVATE ${uv_cflags})
target_include_directories(uv_a
PUBLIC
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
PRIVATE
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src>)
target_link_libraries(uv_a ${uv_libraries})
if(LIBUV_BUILD_TESTS)
# Small hack: use ${uv_test_sources} now to get the runner skeleton,
# before the actual tests are added.
add_executable(
uv_run_benchmarks_a
${uv_test_sources}
test/benchmark-async-pummel.c
test/benchmark-async.c
test/benchmark-fs-stat.c
test/benchmark-getaddrinfo.c
test/benchmark-loop-count.c
test/benchmark-million-async.c
test/benchmark-million-timers.c
test/benchmark-multi-accept.c
test/benchmark-ping-pongs.c
test/benchmark-ping-udp.c
test/benchmark-pound.c
test/benchmark-pump.c
test/benchmark-sizes.c
test/benchmark-spawn.c
test/benchmark-tcp-write-batch.c
test/benchmark-thread.c
test/benchmark-udp-pummel.c
test/blackhole-server.c
test/dns-server.c
test/echo-server.c
test/run-benchmarks.c
test/runner.c)
target_compile_definitions(uv_run_benchmarks_a PRIVATE ${uv_defines})
target_compile_options(uv_run_benchmarks_a PRIVATE ${uv_cflags})
target_link_libraries(uv_run_benchmarks_a uv_a ${uv_test_libraries})
list(APPEND uv_test_sources
test/blackhole-server.c
test/echo-server.c
test/run-tests.c
test/runner.c
test/test-active.c
test/test-async-null-cb.c
test/test-async.c
test/test-barrier.c
test/test-callback-order.c
test/test-callback-stack.c
test/test-close-fd.c
test/test-close-order.c
test/test-condvar.c
test/test-connect-unspecified.c
test/test-connection-fail.c
test/test-cwd-and-chdir.c
test/test-default-loop-close.c
test/test-delayed-accept.c
test/test-dlerror.c
test/test-eintr-handling.c
test/test-embed.c
test/test-emfile.c
test/test-env-vars.c
test/test-error.c
test/test-fail-always.c
test/test-fork.c
test/test-fs-copyfile.c
test/test-fs-event.c
test/test-fs-poll.c
test/test-fs.c
test/test-fs-readdir.c
test/test-fs-fd-hash.c
test/test-fs-open-flags.c
test/test-get-currentexe.c
test/test-get-loadavg.c
test/test-get-memory.c
test/test-get-passwd.c
test/test-getaddrinfo.c
test/test-gethostname.c
test/test-getnameinfo.c
test/test-getsockname.c
test/test-getters-setters.c
test/test-gettimeofday.c
test/test-handle-fileno.c
test/test-homedir.c
test/test-hrtime.c
test/test-idle.c
test/test-idna.c
test/test-ip4-addr.c
test/test-ip6-addr.c
test/test-ipc-heavy-traffic-deadlock-bug.c
test/test-ipc-send-recv.c
test/test-ipc.c
test/test-loop-alive.c
test/test-loop-close.c
test/test-loop-configure.c
test/test-loop-handles.c
test/test-loop-stop.c
test/test-loop-time.c
test/test-metrics.c
test/test-multiple-listen.c
test/test-mutexes.c
test/test-osx-select.c
test/test-pass-always.c
test/test-ping-pong.c
test/test-pipe-bind-error.c
test/test-pipe-close-stdout-read-stdin.c
test/test-pipe-connect-error.c
test/test-pipe-connect-multiple.c
test/test-pipe-connect-prepare.c
test/test-pipe-getsockname.c
test/test-pipe-pending-instances.c
test/test-pipe-sendmsg.c
test/test-pipe-server-close.c
test/test-pipe-set-fchmod.c
test/test-pipe-set-non-blocking.c
test/test-platform-output.c
test/test-poll-close-doesnt-corrupt-stack.c
test/test-poll-close.c
test/test-poll-closesocket.c
test/test-poll-oob.c
test/test-poll.c
test/test-process-priority.c
test/test-process-title-threadsafe.c
test/test-process-title.c
test/test-queue-foreach-delete.c
test/test-random.c
test/test-ref.c
test/test-run-nowait.c
test/test-run-once.c
test/test-semaphore.c
test/test-shutdown-close.c
test/test-shutdown-eof.c
test/test-shutdown-twice.c
test/test-signal-multiple-loops.c
test/test-signal-pending-on-close.c
test/test-signal.c
test/test-socket-buffer-size.c
test/test-spawn.c
test/test-stdio-over-pipes.c
test/test-strscpy.c
test/test-tcp-alloc-cb-fail.c
test/test-tcp-bind-error.c
test/test-tcp-bind6-error.c
test/test-tcp-close-accept.c
test/test-tcp-close-while-connecting.c
test/test-tcp-close.c
test/test-tcp-close-reset.c
test/test-tcp-connect-error-after-write.c
test/test-tcp-connect-error.c
test/test-tcp-connect-timeout.c
test/test-tcp-connect6-error.c
test/test-tcp-create-socket-early.c
test/test-tcp-flags.c
test/test-tcp-oob.c
test/test-tcp-open.c
test/test-tcp-read-stop.c
test/test-tcp-read-stop-start.c
test/test-tcp-shutdown-after-write.c
test/test-tcp-try-write.c
test/test-tcp-try-write-error.c
test/test-tcp-unexpected-read.c
test/test-tcp-write-after-connect.c
test/test-tcp-write-fail.c
test/test-tcp-write-queue-order.c
test/test-tcp-write-to-half-open-connection.c
test/test-tcp-writealot.c
test/test-test-macros.c
test/test-thread-equal.c
test/test-thread.c
test/test-threadpool-cancel.c
test/test-threadpool.c
test/test-timer-again.c
test/test-timer-from-check.c
test/test-timer.c
test/test-tmpdir.c
test/test-tty-duplicate-key.c
test/test-tty-escape-sequence-processing.c
test/test-tty.c
test/test-udp-alloc-cb-fail.c
test/test-udp-bind.c
test/test-udp-connect.c
test/test-udp-create-socket-early.c
test/test-udp-dgram-too-big.c
test/test-udp-ipv6.c
test/test-udp-mmsg.c
test/test-udp-multicast-interface.c
test/test-udp-multicast-interface6.c
test/test-udp-multicast-join.c
test/test-udp-multicast-join6.c
test/test-udp-multicast-ttl.c
test/test-udp-open.c
test/test-udp-options.c
test/test-udp-send-and-recv.c
test/test-udp-send-hang-loop.c
test/test-udp-send-immediate.c
test/test-udp-sendmmsg-error.c
test/test-udp-send-unreachable.c
test/test-udp-try-send.c
test/test-uname.c
test/test-walk-handles.c
test/test-watcher-cross-stop.c)
add_executable(uv_run_tests ${uv_test_sources} uv_win_longpath.manifest)
target_compile_definitions(uv_run_tests
PRIVATE ${uv_defines} USING_UV_SHARED=1)
target_compile_options(uv_run_tests PRIVATE ${uv_cflags})
target_link_libraries(uv_run_tests uv ${uv_test_libraries})
add_test(NAME uv_test
COMMAND uv_run_tests
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
if(CMAKE_SYSTEM_NAME STREQUAL "OS390")
set_tests_properties(uv_test PROPERTIES ENVIRONMENT
"LIBPATH=${CMAKE_BINARY_DIR}:$ENV{LIBPATH}")
endif()
add_executable(uv_run_tests_a ${uv_test_sources} uv_win_longpath.manifest)
target_compile_definitions(uv_run_tests_a PRIVATE ${uv_defines})
target_compile_options(uv_run_tests_a PRIVATE ${uv_cflags})
if(QEMU)
target_link_libraries(uv_run_tests_a uv_a ${uv_test_libraries} -static)
else()
target_link_libraries(uv_run_tests_a uv_a ${uv_test_libraries})
endif()
add_test(NAME uv_test_a
COMMAND uv_run_tests_a
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
endif()
if(UNIX OR MINGW)
# Now for some gibbering horrors from beyond the stars...
foreach(lib IN LISTS uv_libraries)
list(APPEND LIBS "-l${lib}")
endforeach()
string(REPLACE ";" " " LIBS "${LIBS}")
# Consider setting project version via project() call?
file(STRINGS configure.ac configure_ac REGEX ^AC_INIT)
string(REGEX MATCH "([0-9]+)[.][0-9]+[.][0-9]+" PACKAGE_VERSION "${configure_ac}")
set(UV_VERSION_MAJOR "${CMAKE_MATCH_1}")
# The version in the filename is mirroring the behaviour of autotools.
set_target_properties(uv PROPERTIES
VERSION ${UV_VERSION_MAJOR}.0.0
SOVERSION ${UV_VERSION_MAJOR})
set(includedir ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR})
set(libdir ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
set(prefix ${CMAKE_INSTALL_PREFIX})
configure_file(libuv.pc.in libuv.pc @ONLY)
configure_file(libuv-static.pc.in libuv-static.pc @ONLY)
install(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(FILES LICENSE DESTINATION ${CMAKE_INSTALL_DOCDIR})
install(FILES ${PROJECT_BINARY_DIR}/libuv.pc ${PROJECT_BINARY_DIR}/libuv-static.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
install(TARGETS uv LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
install(TARGETS uv_a ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
if(MSVC)
install(DIRECTORY include/ DESTINATION include)
install(FILES LICENSE DESTINATION .)
install(TARGETS uv uv_a
RUNTIME DESTINATION lib/$<CONFIG>
ARCHIVE DESTINATION lib/$<CONFIG>)
endif()
message(STATUS "summary of build options:
Install prefix: ${CMAKE_INSTALL_PREFIX}
Target system: ${CMAKE_SYSTEM_NAME}
Compiler:
C compiler: ${CMAKE_C_COMPILER}
CFLAGS: ${CMAKE_C_FLAGS_${_build_type}} ${CMAKE_C_FLAGS}
")

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# CONTRIBUTING
The libuv project welcomes new contributors. This document will guide you
through the process.
### FORK
Fork the project [on GitHub](https://github.com/libuv/libuv) and check out
your copy.
```
$ git clone https://github.com/username/libuv.git
$ cd libuv
$ git remote add upstream https://github.com/libuv/libuv.git
```
Now decide if you want your feature or bug fix to go into the master branch
or the stable branch. As a rule of thumb, bug fixes go into the stable branch
while new features go into the master branch.
The stable branch is effectively frozen; patches that change the libuv
API/ABI or affect the run-time behavior of applications get rejected.
In case of doubt, open an issue in the [issue tracker][], post your question
to the [libuv mailing list], or contact one of [project maintainers][] on [IRC][].
Especially do so if you plan to work on something big. Nothing is more
frustrating than seeing your hard work go to waste because your vision
does not align with that of a project maintainers.
### BRANCH
Okay, so you have decided on the proper branch. Create a feature branch
and start hacking:
```
$ git checkout -b my-feature-branch -t origin/v1.x
```
(Where v1.x is the latest stable branch as of this writing.)
### CODE
Please adhere to libuv's code style. In general it follows the conventions from
the [Google C/C++ style guide]. Some of the key points, as well as some
additional guidelines, are enumerated below.
* Code that is specific to unix-y platforms should be placed in `src/unix`, and
declarations go into `include/uv/unix.h`.
* Source code that is Windows-specific goes into `src/win`, and related
publicly exported types, functions and macro declarations should generally
be declared in `include/uv/win.h`.
* Names should be descriptive and concise.
* All the symbols and types that libuv makes available publicly should be
prefixed with `uv_` (or `UV_` in case of macros).
* Internal, non-static functions should be prefixed with `uv__`.
* Use two spaces and no tabs.
* Lines should be wrapped at 80 characters.
* Ensure that lines have no trailing whitespace, and use unix-style (LF) line
endings.
* Use C89-compliant syntax. In other words, variables can only be declared at
the top of a scope (function, if/for/while-block).
* When writing comments, use properly constructed sentences, including
punctuation.
* When documenting APIs and/or source code, don't make assumptions or make
implications about race, gender, religion, political orientation or anything
else that isn't relevant to the project.
* Remember that source code usually gets written once and read often: ensure
the reader doesn't have to make guesses. Make sure that the purpose and inner
logic are either obvious to a reasonably skilled professional, or add a
comment that explains it.
### COMMIT
Make sure git knows your name and email address:
```
$ git config --global user.name "J. Random User"
$ git config --global user.email "j.random.user@example.com"
```
Writing good commit logs is important. A commit log should describe what
changed and why. Follow these guidelines when writing one:
1. The first line should be 50 characters or less and contain a short
description of the change prefixed with the name of the changed
subsystem (e.g. "net: add localAddress and localPort to Socket").
2. Keep the second line blank.
3. Wrap all other lines at 72 columns.
A good commit log looks like this:
```
subsystem: explaining the commit in one line
Body of commit message is a few lines of text, explaining things
in more detail, possibly giving some background about the issue
being fixed, etc etc.
The body of the commit message can be several paragraphs, and
please do proper word-wrap and keep columns shorter than about
72 characters or so. That way `git log` will show things
nicely even when it is indented.
```
The header line should be meaningful; it is what other people see when they
run `git shortlog` or `git log --oneline`.
Check the output of `git log --oneline files_that_you_changed` to find out
what subsystem (or subsystems) your changes touch.
### REBASE
Use `git rebase` (not `git merge`) to sync your work from time to time.
```
$ git fetch upstream
$ git rebase upstream/v1.x # or upstream/master
```
### TEST
Bug fixes and features should come with tests. Add your tests in the
`test/` directory. Each new test needs to be registered in `test/test-list.h`.
If you add a new test file, it needs to be registered in three places:
- `CMakeLists.txt`: add the file's name to the `uv_test_sources` list.
- `Makefile.am`: add the file's name to the `test_run_tests_SOURCES` list.
Look at other tests to see how they should be structured (license boilerplate,
the way entry points are declared, etc.).
Check README.md file to find out how to run the test suite and make sure that
there are no test regressions.
### PUSH
```
$ git push origin my-feature-branch
```
Go to https://github.com/username/libuv and select your feature branch. Click
the 'Pull Request' button and fill out the form.
Pull requests are usually reviewed within a few days. If there are comments
to address, apply your changes in a separate commit and push that to your
feature branch. Post a comment in the pull request afterwards; GitHub does
not send out notifications when you add commits.
[issue tracker]: https://github.com/libuv/libuv/issues
[libuv mailing list]: http://groups.google.com/group/libuv
[IRC]: http://webchat.freenode.net/?channels=libuv
[Google C/C++ style guide]: https://google.github.io/styleguide/cppguide.html
[project maintainers]: https://github.com/libuv/libuv/blob/master/MAINTAINERS.md

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libuv is licensed for use as follows:
====
Copyright (c) 2015-present libuv project contributors.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
IN THE SOFTWARE.
====
This license applies to parts of libuv originating from the
https://github.com/joyent/libuv repository:
====
Copyright Joyent, Inc. and other Node contributors. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
IN THE SOFTWARE.
====
This license applies to all parts of libuv that are not externally
maintained libraries.
The externally maintained libraries used by libuv are:
- tree.h (from FreeBSD), copyright Niels Provos. Two clause BSD license.
- inet_pton and inet_ntop implementations, contained in src/inet.c, are
copyright the Internet Systems Consortium, Inc., and licensed under the ISC
license.
- stdint-msvc2008.h (from msinttypes), copyright Alexander Chemeris. Three
clause BSD license.
- pthread-fixes.c, copyright Google Inc. and Sony Mobile Communications AB.
Three clause BSD license.
- android-ifaddrs.h, android-ifaddrs.c, copyright Berkeley Software Design
Inc, Kenneth MacKay and Emergya (Cloud4all, FP7/2007-2013, grant agreement
n° 289016). Three clause BSD license.

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ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS,
IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION,
WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR
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ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT
KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT
ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU.
b. TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE
TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION,
NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT,
INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES,
COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR
USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN
ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR
DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR
IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.
c. The disclaimer of warranties and limitation of liability provided
above shall be interpreted in a manner that, to the extent
possible, most closely approximates an absolute disclaimer and
waiver of all liability.
Section 6 -- Term and Termination.
a. This Public License applies for the term of the Copyright and
Similar Rights licensed here. However, if You fail to comply with
this Public License, then Your rights under this Public License
terminate automatically.
b. Where Your right to use the Licensed Material has terminated under
Section 6(a), it reinstates:
1. automatically as of the date the violation is cured, provided
it is cured within 30 days of Your discovery of the
violation; or
2. upon express reinstatement by the Licensor.
For the avoidance of doubt, this Section 6(b) does not affect any
right the Licensor may have to seek remedies for Your violations
of this Public License.
c. For the avoidance of doubt, the Licensor may also offer the
Licensed Material under separate terms or conditions or stop
distributing the Licensed Material at any time; however, doing so
will not terminate this Public License.
d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
License.
Section 7 -- Other Terms and Conditions.
a. The Licensor shall not be bound by any additional or different
terms or conditions communicated by You unless expressly agreed.
b. Any arrangements, understandings, or agreements regarding the
Licensed Material not stated herein are separate from and
independent of the terms and conditions of this Public License.
Section 8 -- Interpretation.
a. For the avoidance of doubt, this Public License does not, and
shall not be interpreted to, reduce, limit, restrict, or impose
conditions on any use of the Licensed Material that could lawfully
be made without permission under this Public License.
b. To the extent possible, if any provision of this Public License is
deemed unenforceable, it shall be automatically reformed to the
minimum extent necessary to make it enforceable. If the provision
cannot be reformed, it shall be severed from this Public License
without affecting the enforceability of the remaining terms and
conditions.
c. No term or condition of this Public License will be waived and no
failure to comply consented to unless expressly agreed to by the
Licensor.
d. Nothing in this Public License constitutes or may be interpreted
as a limitation upon, or waiver of, any privileges and immunities
that apply to the Licensor or You, including from the legal
processes of any jurisdiction or authority.
=======================================================================
Creative Commons is not a party to its public
licenses. Notwithstanding, Creative Commons may elect to apply one of
its public licenses to material it publishes and in those instances
will be considered the “Licensor.” The text of the Creative Commons
public licenses is dedicated to the public domain under the CC0 Public
Domain Dedication. Except for the limited purpose of indicating that
material is shared under a Creative Commons public license or as
otherwise permitted by the Creative Commons policies published at
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without limitation, in connection with any unauthorized modifications
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Creative Commons may be contacted at creativecommons.org.

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# Project Maintainers
libuv is currently managed by the following individuals:
* **Anna Henningsen** ([@addaleax](https://github.com/addaleax))
* **Bartosz Sosnowski** ([@bzoz](https://github.com/bzoz))
* **Ben Noordhuis** ([@bnoordhuis](https://github.com/bnoordhuis))
- GPG key: D77B 1E34 243F BAF0 5F8E 9CC3 4F55 C8C8 46AB 89B9 (pubkey-bnoordhuis)
* **Bert Belder** ([@piscisaureus](https://github.com/piscisaureus))
* **Colin Ihrig** ([@cjihrig](https://github.com/cjihrig))
- GPG key: 94AE 3667 5C46 4D64 BAFA 68DD 7434 390B DBE9 B9C5 (pubkey-cjihrig)
- GPG key: 5735 3E0D BDAA A7E8 39B6 6A1A FF47 D5E4 AD8B 4FDC (pubkey-cjihrig-kb)
* **Fedor Indutny** ([@indutny](https://github.com/indutny))
- GPG key: AF2E EA41 EC34 47BF DD86 FED9 D706 3CCE 19B7 E890 (pubkey-indutny)
* **Imran Iqbal** ([@imran-iq](https://github.com/imran-iq))
- GPG key: 9DFE AA5F 481B BF77 2D90 03CE D592 4925 2F8E C41A (pubkey-iwuzhere)
* **Jameson Nash** ([@vtjnash](https://github.com/vtjnash))
* **John Barboza** ([@jbarz](https://github.com/jbarz))
* **Kaoru Takanashi** ([@erw7](https://github.com/erw7))
- GPG Key: 5804 F999 8A92 2AFB A398 47A0 7183 5090 6134 887F (pubkey-erw7)
* **Richard Lau** ([@richardlau](https://github.com/richardlau))
- GPG key: C82F A3AE 1CBE DC6B E46B 9360 C43C EC45 C17A B93C (pubkey-richardlau)
* **Santiago Gimeno** ([@santigimeno](https://github.com/santigimeno))
- GPG key: 612F 0EAD 9401 6223 79DF 4402 F28C 3C8D A33C 03BE (pubkey-santigimeno)
* **Saúl Ibarra Corretgé** ([@saghul](https://github.com/saghul))
- GPG key: FDF5 1936 4458 319F A823 3DC9 410E 5553 AE9B C059 (pubkey-saghul)
## Storing a maintainer key in Git
It's quite handy to store a maintainer's signature as a git blob, and have
that object tagged and signed with such key.
Export your public key:
$ gpg --armor --export saghul@gmail.com > saghul.asc
Store it as a blob on the repo:
$ git hash-object -w saghul.asc
The previous command returns a hash, copy it. For the sake of this explanation,
we'll assume it's 'abcd1234'. Storing the blob in git is not enough, it could
be garbage collected since nothing references it, so we'll create a tag for it:
$ git tag -s pubkey-saghul abcd1234
Commit the changes and push:
$ git push origin pubkey-saghul

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# Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
ACLOCAL_AMFLAGS = -I m4
AM_CPPFLAGS = -I$(top_srcdir)/include \
-I$(top_srcdir)/src
include_HEADERS=include/uv.h
uvincludedir = $(includedir)/uv
uvinclude_HEADERS = include/uv/errno.h \
include/uv/threadpool.h \
include/uv/version.h
CLEANFILES =
lib_LTLIBRARIES = libuv.la
libuv_la_CFLAGS = @CFLAGS@
libuv_la_LDFLAGS = -no-undefined -version-info 1:0:0
libuv_la_SOURCES = src/fs-poll.c \
src/heap-inl.h \
src/idna.c \
src/idna.h \
src/inet.c \
src/queue.h \
src/random.c \
src/strscpy.c \
src/strscpy.h \
src/threadpool.c \
src/timer.c \
src/uv-data-getter-setters.c \
src/uv-common.c \
src/uv-common.h \
src/version.c
if SUNOS
# Can't be turned into a CC_CHECK_CFLAGS in configure.ac, it makes compilers
# on other platforms complain that the argument is unused during compilation.
libuv_la_CFLAGS += -pthreads
endif
if WINNT
uvinclude_HEADERS += include/uv/win.h include/uv/tree.h
AM_CPPFLAGS += -I$(top_srcdir)/src/win \
-DWIN32_LEAN_AND_MEAN \
-D_WIN32_WINNT=0x0600
libuv_la_SOURCES += src/win/async.c \
src/win/atomicops-inl.h \
src/win/core.c \
src/win/detect-wakeup.c \
src/win/dl.c \
src/win/error.c \
src/win/fs-event.c \
src/win/fs.c \
src/win/getaddrinfo.c \
src/win/getnameinfo.c \
src/win/handle.c \
src/win/handle-inl.h \
src/win/internal.h \
src/win/loop-watcher.c \
src/win/pipe.c \
src/win/poll.c \
src/win/process-stdio.c \
src/win/process.c \
src/win/req-inl.h \
src/win/signal.c \
src/win/stream.c \
src/win/stream-inl.h \
src/win/tcp.c \
src/win/thread.c \
src/win/tty.c \
src/win/udp.c \
src/win/util.c \
src/win/winapi.c \
src/win/winapi.h \
src/win/winsock.c \
src/win/winsock.h
else # WINNT
uvinclude_HEADERS += include/uv/unix.h
AM_CPPFLAGS += -I$(top_srcdir)/src/unix
libuv_la_SOURCES += src/unix/async.c \
src/unix/atomic-ops.h \
src/unix/core.c \
src/unix/dl.c \
src/unix/fs.c \
src/unix/getaddrinfo.c \
src/unix/getnameinfo.c \
src/unix/internal.h \
src/unix/loop-watcher.c \
src/unix/loop.c \
src/unix/pipe.c \
src/unix/poll.c \
src/unix/process.c \
src/unix/random-devurandom.c \
src/unix/signal.c \
src/unix/spinlock.h \
src/unix/stream.c \
src/unix/tcp.c \
src/unix/thread.c \
src/unix/tty.c \
src/unix/udp.c
endif # WINNT
EXTRA_DIST = test/fixtures/empty_file \
test/fixtures/load_error.node \
test/fixtures/lorem_ipsum.txt \
include \
docs \
img \
CONTRIBUTING.md \
LICENSE \
README.md
TESTS = test/run-tests
check_PROGRAMS = test/run-tests
test_run_tests_CFLAGS =
if SUNOS
# Can't be turned into a CC_CHECK_CFLAGS in configure.ac, it makes compilers
# on other platforms complain that the argument is unused during compilation.
test_run_tests_CFLAGS += -pthreads
endif
test_run_tests_LDFLAGS =
test_run_tests_SOURCES = test/blackhole-server.c \
test/dns-server.c \
test/echo-server.c \
test/run-tests.c \
test/runner.c \
test/runner.h \
test/task.h \
test/test-active.c \
test/test-async.c \
test/test-async-null-cb.c \
test/test-barrier.c \
test/test-callback-order.c \
test/test-callback-stack.c \
test/test-close-fd.c \
test/test-close-order.c \
test/test-condvar.c \
test/test-connect-unspecified.c \
test/test-connection-fail.c \
test/test-cwd-and-chdir.c \
test/test-default-loop-close.c \
test/test-delayed-accept.c \
test/test-dlerror.c \
test/test-eintr-handling.c \
test/test-embed.c \
test/test-emfile.c \
test/test-env-vars.c \
test/test-error.c \
test/test-fail-always.c \
test/test-fs-copyfile.c \
test/test-fs-event.c \
test/test-fs-poll.c \
test/test-fs.c \
test/test-fs-readdir.c \
test/test-fs-fd-hash.c \
test/test-fs-open-flags.c \
test/test-fork.c \
test/test-getters-setters.c \
test/test-get-currentexe.c \
test/test-get-loadavg.c \
test/test-get-memory.c \
test/test-get-passwd.c \
test/test-getaddrinfo.c \
test/test-gethostname.c \
test/test-getnameinfo.c \
test/test-getsockname.c \
test/test-gettimeofday.c \
test/test-handle-fileno.c \
test/test-homedir.c \
test/test-hrtime.c \
test/test-idle.c \
test/test-idna.c \
test/test-ip4-addr.c \
test/test-ip6-addr.c \
test/test-ipc-heavy-traffic-deadlock-bug.c \
test/test-ipc-send-recv.c \
test/test-ipc.c \
test/test-list.h \
test/test-loop-handles.c \
test/test-loop-alive.c \
test/test-loop-close.c \
test/test-loop-stop.c \
test/test-loop-time.c \
test/test-loop-configure.c \
test/test-metrics.c \
test/test-multiple-listen.c \
test/test-mutexes.c \
test/test-osx-select.c \
test/test-pass-always.c \
test/test-ping-pong.c \
test/test-pipe-bind-error.c \
test/test-pipe-connect-error.c \
test/test-pipe-connect-multiple.c \
test/test-pipe-connect-prepare.c \
test/test-pipe-getsockname.c \
test/test-pipe-pending-instances.c \
test/test-pipe-sendmsg.c \
test/test-pipe-server-close.c \
test/test-pipe-close-stdout-read-stdin.c \
test/test-pipe-set-non-blocking.c \
test/test-pipe-set-fchmod.c \
test/test-platform-output.c \
test/test-poll.c \
test/test-poll-close.c \
test/test-poll-close-doesnt-corrupt-stack.c \
test/test-poll-closesocket.c \
test/test-poll-oob.c \
test/test-process-priority.c \
test/test-process-title.c \
test/test-process-title-threadsafe.c \
test/test-queue-foreach-delete.c \
test/test-random.c \
test/test-ref.c \
test/test-run-nowait.c \
test/test-run-once.c \
test/test-semaphore.c \
test/test-shutdown-close.c \
test/test-shutdown-eof.c \
test/test-shutdown-twice.c \
test/test-signal-multiple-loops.c \
test/test-signal-pending-on-close.c \
test/test-signal.c \
test/test-socket-buffer-size.c \
test/test-spawn.c \
test/test-stdio-over-pipes.c \
test/test-strscpy.c \
test/test-tcp-alloc-cb-fail.c \
test/test-tcp-bind-error.c \
test/test-tcp-bind6-error.c \
test/test-tcp-close-accept.c \
test/test-tcp-close-while-connecting.c \
test/test-tcp-close.c \
test/test-tcp-close-reset.c \
test/test-tcp-create-socket-early.c \
test/test-tcp-connect-error-after-write.c \
test/test-tcp-connect-error.c \
test/test-tcp-connect-timeout.c \
test/test-tcp-connect6-error.c \
test/test-tcp-flags.c \
test/test-tcp-open.c \
test/test-tcp-read-stop.c \
test/test-tcp-read-stop-start.c \
test/test-tcp-shutdown-after-write.c \
test/test-tcp-unexpected-read.c \
test/test-tcp-oob.c \
test/test-tcp-write-to-half-open-connection.c \
test/test-tcp-write-after-connect.c \
test/test-tcp-writealot.c \
test/test-tcp-write-fail.c \
test/test-tcp-try-write.c \
test/test-tcp-try-write-error.c \
test/test-tcp-write-queue-order.c \
test/test-test-macros.c \
test/test-thread-equal.c \
test/test-thread.c \
test/test-threadpool-cancel.c \
test/test-threadpool.c \
test/test-timer-again.c \
test/test-timer-from-check.c \
test/test-timer.c \
test/test-tmpdir.c \
test/test-tty-duplicate-key.c \
test/test-tty-escape-sequence-processing.c \
test/test-tty.c \
test/test-udp-alloc-cb-fail.c \
test/test-udp-bind.c \
test/test-udp-connect.c \
test/test-udp-create-socket-early.c \
test/test-udp-dgram-too-big.c \
test/test-udp-ipv6.c \
test/test-udp-mmsg.c \
test/test-udp-multicast-interface.c \
test/test-udp-multicast-interface6.c \
test/test-udp-multicast-join.c \
test/test-udp-multicast-join6.c \
test/test-udp-multicast-ttl.c \
test/test-udp-open.c \
test/test-udp-options.c \
test/test-udp-send-and-recv.c \
test/test-udp-send-hang-loop.c \
test/test-udp-send-immediate.c \
test/test-udp-sendmmsg-error.c \
test/test-udp-send-unreachable.c \
test/test-udp-try-send.c \
test/test-uname.c \
test/test-walk-handles.c \
test/test-watcher-cross-stop.c
test_run_tests_LDADD = libuv.la
if WINNT
test_run_tests_SOURCES += test/runner-win.c \
test/runner-win.h
else
test_run_tests_SOURCES += test/runner-unix.c \
test/runner-unix.h
endif
if AIX
test_run_tests_CFLAGS += -D_ALL_SOURCE \
-D_XOPEN_SOURCE=500 \
-D_LINUX_SOURCE_COMPAT
endif
if OS400
test_run_tests_CFLAGS += -D_ALL_SOURCE \
-D_XOPEN_SOURCE=500 \
-D_LINUX_SOURCE_COMPAT
endif
if HAIKU
test_run_tests_CFLAGS += -D_BSD_SOURCE
endif
if LINUX
test_run_tests_CFLAGS += -D_GNU_SOURCE
endif
if SUNOS
test_run_tests_CFLAGS += -D__EXTENSIONS__ \
-D_XOPEN_SOURCE=500 \
-D_REENTRANT
endif
if OS390
test_run_tests_CFLAGS += -D_ISOC99_SOURCE \
-D_UNIX03_THREADS \
-D_UNIX03_SOURCE \
-D_OPEN_SYS_IF_EXT=1 \
-D_OPEN_SYS_SOCK_IPV6 \
-D_OPEN_MSGQ_EXT \
-D_XOPEN_SOURCE_EXTENDED \
-D_ALL_SOURCE \
-D_LARGE_TIME_API \
-D_OPEN_SYS_FILE_EXT \
-DPATH_MAX=255 \
-qCHARS=signed \
-qXPLINK \
-qFLOAT=IEEE
endif
if AIX
libuv_la_CFLAGS += -D_ALL_SOURCE \
-D_XOPEN_SOURCE=500 \
-D_LINUX_SOURCE_COMPAT \
-D_THREAD_SAFE \
-DHAVE_SYS_AHAFS_EVPRODS_H
uvinclude_HEADERS += include/uv/aix.h
libuv_la_SOURCES += src/unix/aix.c src/unix/aix-common.c
endif
if OS400
libuv_la_CFLAGS += -D_ALL_SOURCE \
-D_XOPEN_SOURCE=500 \
-D_LINUX_SOURCE_COMPAT \
-D_THREAD_SAFE
uvinclude_HEADERS += include/uv/posix.h
libuv_la_SOURCES += src/unix/aix-common.c \
src/unix/ibmi.c \
src/unix/posix-poll.c \
src/unix/no-fsevents.c
endif
if ANDROID
uvinclude_HEADERS += include/uv/android-ifaddrs.h
libuv_la_CFLAGS += -D_GNU_SOURCE
libuv_la_SOURCES += src/unix/android-ifaddrs.c \
src/unix/linux-core.c \
src/unix/linux-inotify.c \
src/unix/linux-syscalls.c \
src/unix/procfs-exepath.c \
src/unix/pthread-fixes.c \
src/unix/random-getrandom.c \
src/unix/random-sysctl-linux.c
endif
if CYGWIN
uvinclude_HEADERS += include/uv/posix.h
libuv_la_CFLAGS += -D_GNU_SOURCE
libuv_la_SOURCES += src/unix/cygwin.c \
src/unix/bsd-ifaddrs.c \
src/unix/no-fsevents.c \
src/unix/no-proctitle.c \
src/unix/posix-hrtime.c \
src/unix/posix-poll.c \
src/unix/procfs-exepath.c \
src/unix/sysinfo-loadavg.c \
src/unix/sysinfo-memory.c
endif
if DARWIN
uvinclude_HEADERS += include/uv/darwin.h
libuv_la_CFLAGS += -D_DARWIN_USE_64_BIT_INODE=1
libuv_la_CFLAGS += -D_DARWIN_UNLIMITED_SELECT=1
libuv_la_SOURCES += src/unix/bsd-ifaddrs.c \
src/unix/darwin-proctitle.c \
src/unix/darwin-stub.h \
src/unix/darwin.c \
src/unix/fsevents.c \
src/unix/kqueue.c \
src/unix/proctitle.c \
src/unix/random-getentropy.c
test_run_tests_LDFLAGS += -lutil
endif
if DRAGONFLY
uvinclude_HEADERS += include/uv/bsd.h
libuv_la_SOURCES += src/unix/bsd-ifaddrs.c \
src/unix/bsd-proctitle.c \
src/unix/freebsd.c \
src/unix/kqueue.c \
src/unix/posix-hrtime.c
test_run_tests_LDFLAGS += -lutil
endif
if FREEBSD
uvinclude_HEADERS += include/uv/bsd.h
libuv_la_SOURCES += src/unix/bsd-ifaddrs.c \
src/unix/bsd-proctitle.c \
src/unix/freebsd.c \
src/unix/kqueue.c \
src/unix/posix-hrtime.c \
src/unix/random-getrandom.c
test_run_tests_LDFLAGS += -lutil
endif
if HAIKU
uvinclude_HEADERS += include/uv/posix.h
libuv_la_CFLAGS += -D_BSD_SOURCE
libuv_la_SOURCES += src/unix/bsd-ifaddrs.c \
src/unix/haiku.c \
src/unix/no-fsevents.c \
src/unix/no-proctitle.c \
src/unix/posix-hrtime.c \
src/unix/posix-poll.c
endif
if HURD
uvinclude_HEADERS += include/uv/posix.h
libuv_la_SOURCES += src/unix/no-fsevents.c \
src/unix/posix-hrtime.c \
src/unix/posix-poll.c
endif
if LINUX
uvinclude_HEADERS += include/uv/linux.h
libuv_la_CFLAGS += -D_GNU_SOURCE
libuv_la_SOURCES += src/unix/linux-core.c \
src/unix/linux-inotify.c \
src/unix/linux-syscalls.c \
src/unix/linux-syscalls.h \
src/unix/procfs-exepath.c \
src/unix/proctitle.c \
src/unix/random-getrandom.c \
src/unix/random-sysctl-linux.c
test_run_tests_LDFLAGS += -lutil
endif
if MSYS
libuv_la_CFLAGS += -D_GNU_SOURCE
libuv_la_SOURCES += src/unix/cygwin.c \
src/unix/bsd-ifaddrs.c \
src/unix/no-fsevents.c \
src/unix/no-proctitle.c \
src/unix/posix-hrtime.c \
src/unix/posix-poll.c \
src/unix/procfs-exepath.c \
src/unix/sysinfo-loadavg.c \
src/unix/sysinfo-memory.c
endif
if NETBSD
uvinclude_HEADERS += include/uv/bsd.h
libuv_la_SOURCES += src/unix/bsd-ifaddrs.c \
src/unix/bsd-proctitle.c \
src/unix/kqueue.c \
src/unix/netbsd.c \
src/unix/posix-hrtime.c
test_run_tests_LDFLAGS += -lutil
endif
if OPENBSD
uvinclude_HEADERS += include/uv/bsd.h
libuv_la_SOURCES += src/unix/bsd-ifaddrs.c \
src/unix/bsd-proctitle.c \
src/unix/kqueue.c \
src/unix/openbsd.c \
src/unix/posix-hrtime.c \
src/unix/random-getentropy.c
test_run_tests_LDFLAGS += -lutil
endif
if SUNOS
uvinclude_HEADERS += include/uv/sunos.h
libuv_la_CFLAGS += -D__EXTENSIONS__ \
-D_XOPEN_SOURCE=500 \
-D_REENTRANT
libuv_la_SOURCES += src/unix/no-proctitle.c \
src/unix/sunos.c
endif
if OS390
libuv_la_CFLAGS += -D_UNIX03_THREADS \
-D_UNIX03_SOURCE \
-D_OPEN_SYS_IF_EXT=1 \
-D_OPEN_MSGQ_EXT \
-D_XOPEN_SOURCE_EXTENDED \
-D_ALL_SOURCE \
-D_LARGE_TIME_API \
-D_OPEN_SYS_SOCK_EXT3 \
-D_OPEN_SYS_SOCK_IPV6 \
-D_OPEN_SYS_FILE_EXT \
-DUV_PLATFORM_SEM_T=int \
-DPATH_MAX=255 \
-qCHARS=signed \
-qXPLINK \
-qFLOAT=IEEE
libuv_la_LDFLAGS += -qXPLINK
libuv_la_SOURCES += src/unix/pthread-fixes.c \
src/unix/os390.c \
src/unix/os390-syscalls.c \
src/unix/proctitle.c
endif
pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = @PACKAGE_NAME@.pc

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![libuv][libuv_banner]
## Overview
libuv is a multi-platform support library with a focus on asynchronous I/O. It
was primarily developed for use by [Node.js][], but it's also
used by [Luvit](http://luvit.io/), [Julia](http://julialang.org/),
[pyuv](https://github.com/saghul/pyuv), and [others](https://github.com/libuv/libuv/wiki/Projects-that-use-libuv).
## Feature highlights
* Full-featured event loop backed by epoll, kqueue, IOCP, event ports.
* Asynchronous TCP and UDP sockets
* Asynchronous DNS resolution
* Asynchronous file and file system operations
* File system events
* ANSI escape code controlled TTY
* IPC with socket sharing, using Unix domain sockets or named pipes (Windows)
* Child processes
* Thread pool
* Signal handling
* High resolution clock
* Threading and synchronization primitives
## Versioning
Starting with version 1.0.0 libuv follows the [semantic versioning](http://semver.org/)
scheme. The API change and backwards compatibility rules are those indicated by
SemVer. libuv will keep a stable ABI across major releases.
The ABI/API changes can be tracked [here](http://abi-laboratory.pro/tracker/timeline/libuv/).
## Licensing
libuv is licensed under the MIT license. Check the [LICENSE file](LICENSE).
The documentation is licensed under the CC BY 4.0 license. Check the [LICENSE-docs file](LICENSE-docs).
## Community
* [Support](https://github.com/libuv/help)
* [Mailing list](http://groups.google.com/group/libuv)
* [IRC chatroom (#libuv@irc.freenode.org)](http://webchat.freenode.net?channels=libuv&uio=d4)
## Documentation
### Official documentation
Located in the docs/ subdirectory. It uses the [Sphinx](http://sphinx-doc.org/)
framework, which makes it possible to build the documentation in multiple
formats.
Show different supported building options:
```bash
$ make help
```
Build documentation as HTML:
```bash
$ make html
```
Build documentation as HTML and live reload it when it changes (this requires
sphinx-autobuild to be installed and is only supported on Unix):
```bash
$ make livehtml
```
Build documentation as man pages:
```bash
$ make man
```
Build documentation as ePub:
```bash
$ make epub
```
NOTE: Windows users need to use make.bat instead of plain 'make'.
Documentation can be browsed online [here](http://docs.libuv.org).
The [tests and benchmarks](https://github.com/libuv/libuv/tree/master/test)
also serve as API specification and usage examples.
### Other resources
* [LXJS 2012 talk](http://www.youtube.com/watch?v=nGn60vDSxQ4)
&mdash; High-level introductory talk about libuv.
* [libuv-dox](https://github.com/thlorenz/libuv-dox)
&mdash; Documenting types and methods of libuv, mostly by reading uv.h.
* [learnuv](https://github.com/thlorenz/learnuv)
&mdash; Learn uv for fun and profit, a self guided workshop to libuv.
These resources are not handled by libuv maintainers and might be out of
date. Please verify it before opening new issues.
## Downloading
libuv can be downloaded either from the
[GitHub repository](https://github.com/libuv/libuv)
or from the [downloads site](http://dist.libuv.org/dist/).
Before verifying the git tags or signature files, importing the relevant keys
is necessary. Key IDs are listed in the
[MAINTAINERS](https://github.com/libuv/libuv/blob/master/MAINTAINERS.md)
file, but are also available as git blob objects for easier use.
Importing a key the usual way:
```bash
$ gpg --keyserver pool.sks-keyservers.net --recv-keys AE9BC059
```
Importing a key from a git blob object:
```bash
$ git show pubkey-saghul | gpg --import
```
### Verifying releases
Git tags are signed with the developer's key, they can be verified as follows:
```bash
$ git verify-tag v1.6.1
```
Starting with libuv 1.7.0, the tarballs stored in the
[downloads site](http://dist.libuv.org/dist/) are signed and an accompanying
signature file sit alongside each. Once both the release tarball and the
signature file are downloaded, the file can be verified as follows:
```bash
$ gpg --verify libuv-1.7.0.tar.gz.sign
```
## Build Instructions
For UNIX-like platforms, including macOS, there are two build methods:
autotools or [CMake][].
For Windows, [CMake][] is the only supported build method and has the
following prerequisites:
<details>
* One of:
* [Visual C++ Build Tools][]
* [Visual Studio 2015 Update 3][], all editions
including the Community edition (remember to select
"Common Tools for Visual C++ 2015" feature during installation).
* [Visual Studio 2017][], any edition (including the Build Tools SKU).
**Required Components:** "MSbuild", "VC++ 2017 v141 toolset" and one of the
Windows SDKs (10 or 8.1).
* Basic Unix tools required for some tests,
[Git for Windows][] includes Git Bash
and tools which can be included in the global `PATH`.
</details>
To build with autotools:
```bash
$ sh autogen.sh
$ ./configure
$ make
$ make check
$ make install
```
To build with [CMake][]:
```bash
$ mkdir -p build
$ (cd build && cmake .. -DBUILD_TESTING=ON) # generate project with tests
$ cmake --build build # add `-j <n>` with cmake >= 3.12
# Run tests:
$ (cd build && ctest -C Debug --output-on-failure)
# Or manually run tests:
$ build/uv_run_tests # shared library build
$ build/uv_run_tests_a # static library build
```
To cross-compile with [CMake][] (unsupported but generally works):
```bash
$ cmake ../.. \
-DCMAKE_SYSTEM_NAME=Windows \
-DCMAKE_SYSTEM_VERSION=6.1 \
-DCMAKE_C_COMPILER=i686-w64-mingw32-gcc
```
### Install with Homebrew
```bash
$ brew install --HEAD libuv
```
Note to OS X users:
Make sure that you specify the architecture you wish to build for in the
"ARCHS" flag. You can specify more than one by delimiting with a space
(e.g. "x86_64 i386").
### Running tests
Some tests are timing sensitive. Relaxing test timeouts may be necessary
on slow or overloaded machines:
```bash
$ env UV_TEST_TIMEOUT_MULTIPLIER=2 build/uv_run_tests # 10s instead of 5s
```
#### Run one test
The list of all tests is in `test/test-list.h`.
This invocation will cause the test driver to fork and execute `TEST_NAME` in
a child process:
```bash
$ build/uv_run_tests_a TEST_NAME
```
This invocation will cause the test driver to execute the test in
the same process:
```bash
$ build/uv_run_tests_a TEST_NAME TEST_NAME
```
#### Debugging tools
When running the test from within the test driver process
(`build/uv_run_tests_a TEST_NAME TEST_NAME`), tools like gdb and valgrind
work normally.
When running the test from a child of the test driver process
(`build/uv_run_tests_a TEST_NAME`), use these tools in a fork-aware manner.
##### Fork-aware gdb
Use the [follow-fork-mode](https://sourceware.org/gdb/onlinedocs/gdb/Forks.html) setting:
```
$ gdb --args build/uv_run_tests_a TEST_NAME
(gdb) set follow-fork-mode child
...
```
##### Fork-aware valgrind
Use the `--trace-children=yes` parameter:
```bash
$ valgrind --trace-children=yes -v --tool=memcheck --leak-check=full --track-origins=yes --leak-resolution=high --show-reachable=yes --log-file=memcheck-%p.log build/uv_run_tests_a TEST_NAME
```
### Running benchmarks
See the section on running tests.
The benchmark driver is `./uv_run_benchmarks_a` and the benchmarks are
listed in `test/benchmark-list.h`.
## Supported Platforms
Check the [SUPPORTED_PLATFORMS file](SUPPORTED_PLATFORMS.md).
### AIX Notes
AIX compilation using IBM XL C/C++ requires version 12.1 or greater.
AIX support for filesystem events requires the non-default IBM `bos.ahafs`
package to be installed. This package provides the AIX Event Infrastructure
that is detected by `autoconf`.
[IBM documentation](http://www.ibm.com/developerworks/aix/library/au-aix_event_infrastructure/)
describes the package in more detail.
### z/OS Notes
z/OS creates System V semaphores and message queues. These persist on the system
after the process terminates unless the event loop is closed.
Use the `ipcrm` command to manually clear up System V resources.
## Patches
See the [guidelines for contributing][].
[CMake]: https://cmake.org/
[node.js]: http://nodejs.org/
[guidelines for contributing]: https://github.com/libuv/libuv/blob/master/CONTRIBUTING.md
[libuv_banner]: https://raw.githubusercontent.com/libuv/libuv/master/img/banner.png
[Visual C++ Build Tools]: https://visualstudio.microsoft.com/visual-cpp-build-tools/
[Visual Studio 2015 Update 3]: https://www.visualstudio.com/vs/older-downloads/
[Visual Studio 2017]: https://www.visualstudio.com/downloads/
[Git for Windows]: http://git-scm.com/download/win

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# Supported platforms
| System | Support type | Supported versions | Notes |
|---|---|---|---|
| GNU/Linux | Tier 1 | Linux >= 2.6.32 with glibc >= 2.12 | |
| macOS | Tier 1 | macOS >= 10.7 | |
| Windows | Tier 1 | >= Windows 7 | MSVC 2008 and later are supported |
| FreeBSD | Tier 1 | >= 10 | |
| AIX | Tier 2 | >= 6 | Maintainers: @libuv/aix |
| z/OS | Tier 2 | >= V2R2 | Maintainers: @libuv/zos |
| Linux with musl | Tier 2 | musl >= 1.0 | |
| SmartOS | Tier 2 | >= 14.4 | Maintainers: @libuv/smartos |
| Android | Tier 3 | NDK >= r15b | |
| IBM i | Tier 3 | >= IBM i 7.2 | Maintainers: @libuv/ibmi |
| MinGW | Tier 3 | MinGW32 and MinGW-w64 | |
| SunOS | Tier 3 | Solaris 121 and later | |
| Other | Tier 3 | N/A | |
## Support types
* **Tier 1**: Officially supported and tested with CI. Any contributed patch
MUST NOT break such systems. These are supported by @libuv/collaborators.
* **Tier 2**: Officially supported, but not necessarily tested with CI. These
systems are maintained to the best of @libuv/collaborators ability,
without being a top priority.
* **Tier 3**: Community maintained. These systems may inadvertently break and the
community and interested parties are expected to help with the maintenance.
## Adding support for a new platform
**IMPORTANT**: Before attempting to add support for a new platform please open
an issue about it for discussion.
### Unix
I/O handling is abstracted by an internal `uv__io_t` handle. The new platform
will need to implement some of the functions, the prototypes are in
``src/unix/internal.h``.
If the new platform requires extra fields for any handle structure, create a
new include file in ``include/`` with the name ``uv-theplatform.h`` and add
the appropriate defines there.
All functionality related to the new platform must be implemented in its own
file inside ``src/unix/`` unless it's already done in a common file, in which
case adding an `ifdef` is fine.
Two build systems are supported: autotools and cmake. Ideally both need to be
supported, but if one of the two does not support the new platform it can be
left out.
### Windows
Windows is treated as a single platform, so adding support for a new platform
would mean adding support for a new version.
Compilation and runtime must succeed for the minimum supported version. If a
new API is to be used, it must be done optionally, only in supported versions.
### Common
Some common notes when adding support for new platforms:
* Generally libuv tries to avoid compile time checks. Do not add any to the
autotools based build system or use version checking macros.
Dynamically load functions and symbols if they are not supported by the
minimum supported version.

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#!/bin/sh
# Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
cd `dirname "$0"`
if [ "$LIBTOOLIZE" = "" ] && [ "`uname`" = "Darwin" ]; then
LIBTOOLIZE=glibtoolize
fi
ACLOCAL=${ACLOCAL:-aclocal}
AUTOCONF=${AUTOCONF:-autoconf}
AUTOMAKE=${AUTOMAKE:-automake}
LIBTOOLIZE=${LIBTOOLIZE:-libtoolize}
automake_version=`"$AUTOMAKE" --version | head -n 1 | sed 's/[^.0-9]//g'`
automake_version_major=`echo "$automake_version" | cut -d. -f1`
automake_version_minor=`echo "$automake_version" | cut -d. -f2`
UV_EXTRA_AUTOMAKE_FLAGS=
if test "$automake_version_major" -gt 1 || \
test "$automake_version_major" -eq 1 && \
test "$automake_version_minor" -gt 11; then
# serial-tests is available in v1.12 and newer.
UV_EXTRA_AUTOMAKE_FLAGS="$UV_EXTRA_AUTOMAKE_FLAGS serial-tests"
fi
echo "m4_define([UV_EXTRA_AUTOMAKE_FLAGS], [$UV_EXTRA_AUTOMAKE_FLAGS])" \
> m4/libuv-extra-automake-flags.m4
set -ex
"$LIBTOOLIZE" --copy
"$ACLOCAL" -I m4
"$AUTOCONF"
"$AUTOMAKE" --add-missing --copy

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# Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
AC_PREREQ(2.57)
AC_INIT([libuv], [1.40.0], [https://github.com/libuv/libuv/issues])
AC_CONFIG_MACRO_DIR([m4])
m4_include([m4/libuv-extra-automake-flags.m4])
m4_include([m4/as_case.m4])
m4_include([m4/libuv-check-flags.m4])
AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects] UV_EXTRA_AUTOMAKE_FLAGS)
AC_CANONICAL_HOST
AC_ENABLE_SHARED
AC_ENABLE_STATIC
AC_PROG_CC
AM_PROG_CC_C_O
CC_FLAG_VISIBILITY #[-fvisibility=hidden]
CC_CHECK_CFLAGS_APPEND([-g])
CC_CHECK_CFLAGS_APPEND([-std=gnu89])
CC_CHECK_CFLAGS_APPEND([-Wall])
CC_CHECK_CFLAGS_APPEND([-Wextra])
CC_CHECK_CFLAGS_APPEND([-Wno-long-long])
CC_CHECK_CFLAGS_APPEND([-Wno-unused-parameter])
CC_CHECK_CFLAGS_APPEND([-Wstrict-prototypes])
# AM_PROG_AR is not available in automake v0.11 but it's essential in v0.12.
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
# autoconf complains if AC_PROG_LIBTOOL precedes AM_PROG_AR.
AC_PROG_LIBTOOL
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
LT_INIT
AX_PTHREAD([
LIBS="$LIBS $PTHREAD_LIBS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
])
AC_CHECK_LIB([dl], [dlopen])
AC_SEARCH_LIBS([kstat_lookup], [kstat])
AC_SEARCH_LIBS([gethostbyname], [nsl])
AC_SEARCH_LIBS([perfstat_cpu], [perfstat])
AC_SEARCH_LIBS([clock_gettime], [rt])
AC_SEARCH_LIBS([sendfile], [sendfile])
AC_SEARCH_LIBS([socket], [socket])
AC_SYS_LARGEFILE
AM_CONDITIONAL([AIX], [AS_CASE([$host_os],[aix*], [true], [false])])
AM_CONDITIONAL([ANDROID], [AS_CASE([$host_os],[linux-android*],[true], [false])])
AM_CONDITIONAL([CYGWIN], [AS_CASE([$host_os],[cygwin*], [true], [false])])
AM_CONDITIONAL([DARWIN], [AS_CASE([$host_os],[darwin*], [true], [false])])
AM_CONDITIONAL([DRAGONFLY],[AS_CASE([$host_os],[dragonfly*], [true], [false])])
AM_CONDITIONAL([FREEBSD], [AS_CASE([$host_os],[*freebsd*], [true], [false])])
AM_CONDITIONAL([HAIKU], [AS_CASE([$host_os],[haiku], [true], [false])])
AM_CONDITIONAL([HURD], [AS_CASE([$host_os],[gnu*], [true], [false])])
AM_CONDITIONAL([LINUX], [AS_CASE([$host_os],[linux*], [true], [false])])
AM_CONDITIONAL([MSYS], [AS_CASE([$host_os],[msys*], [true], [false])])
AM_CONDITIONAL([NETBSD], [AS_CASE([$host_os],[netbsd*], [true], [false])])
AM_CONDITIONAL([OPENBSD], [AS_CASE([$host_os],[openbsd*], [true], [false])])
AM_CONDITIONAL([OS390], [AS_CASE([$host_os],[openedition*], [true], [false])])
AM_CONDITIONAL([OS400], [AS_CASE([$host_os],[os400], [true], [false])])
AM_CONDITIONAL([SUNOS], [AS_CASE([$host_os],[solaris*], [true], [false])])
AM_CONDITIONAL([WINNT], [AS_CASE([$host_os],[mingw*], [true], [false])])
AS_CASE([$host_os],[mingw*], [
LIBS="$LIBS -lws2_32 -lpsapi -liphlpapi -lshell32 -luserenv -luser32"
])
AS_CASE([$host_os], [netbsd*], [AC_CHECK_LIB([kvm], [kvm_open])])
AS_CASE([$host_os], [kfreebsd*], [
LIBS="$LIBS -lfreebsd-glue"
])
AS_CASE([$host_os], [haiku], [
LIBS="$LIBS -lnetwork"
])
AC_CHECK_HEADERS([sys/ahafs_evProds.h])
AC_CONFIG_FILES([Makefile libuv.pc])
AC_CONFIG_LINKS([test/fixtures/empty_file:test/fixtures/empty_file])
AC_CONFIG_LINKS([test/fixtures/load_error.node:test/fixtures/load_error.node])
AC_CONFIG_LINKS([test/fixtures/lorem_ipsum.txt:test/fixtures/lorem_ipsum.txt])
AC_OUTPUT

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# Makefile for Sphinx documentation
#
# You can set these variables from the command line.
SPHINXOPTS =
SPHINXBUILD = sphinx-build
SPHINXAUTOBUILD = sphinx-autobuild
PAPER =
BUILDDIR = build
SRCDIR = src
# User-friendly check for sphinx-build
ifeq ($(shell which $(SPHINXBUILD) >/dev/null 2>&1; echo $$?), 1)
$(error The '$(SPHINXBUILD)' command was not found. Make sure you have Sphinx installed, then set the SPHINXBUILD environment variable to point to the full path of the '$(SPHINXBUILD)' executable. Alternatively you can add the directory with the executable to your PATH. If you don't have Sphinx installed, grab it from http://sphinx-doc.org/)
endif
# Internal variables.
PAPEROPT_a4 = -D latex_paper_size=a4
PAPEROPT_letter = -D latex_paper_size=letter
ALLSPHINXOPTS = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) $(SRCDIR)
# the i18n builder cannot share the environment and doctrees with the others
I18NSPHINXOPTS = $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) $(SRCDIR)
.PHONY: help clean html livehtml dirhtml singlehtml pickle json htmlhelp qthelp devhelp epub latex latexpdf text man changes linkcheck doctest gettext
help:
@echo "Please use \`make <target>' where <target> is one of"
@echo " html to make standalone HTML files"
@echo " livehtml to make standalone HTML files and live reload them"
@echo " dirhtml to make HTML files named index.html in directories"
@echo " singlehtml to make a single large HTML file"
@echo " pickle to make pickle files"
@echo " json to make JSON files"
@echo " htmlhelp to make HTML files and a HTML help project"
@echo " qthelp to make HTML files and a qthelp project"
@echo " devhelp to make HTML files and a Devhelp project"
@echo " epub to make an epub"
@echo " latex to make LaTeX files, you can set PAPER=a4 or PAPER=letter"
@echo " latexpdf to make LaTeX files and run them through pdflatex"
@echo " latexpdfja to make LaTeX files and run them through platex/dvipdfmx"
@echo " text to make text files"
@echo " man to make manual pages"
@echo " texinfo to make Texinfo files"
@echo " info to make Texinfo files and run them through makeinfo"
@echo " gettext to make PO message catalogs"
@echo " changes to make an overview of all changed/added/deprecated items"
@echo " xml to make Docutils-native XML files"
@echo " pseudoxml to make pseudoxml-XML files for display purposes"
@echo " linkcheck to check all external links for integrity"
@echo " doctest to run all doctests embedded in the documentation (if enabled)"
clean:
rm -rf $(BUILDDIR)/*
html:
$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
@echo
@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
livehtml: html
$(SPHINXAUTOBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
dirhtml:
$(SPHINXBUILD) -b dirhtml $(ALLSPHINXOPTS) $(BUILDDIR)/dirhtml
@echo
@echo "Build finished. The HTML pages are in $(BUILDDIR)/dirhtml."
singlehtml:
$(SPHINXBUILD) -b singlehtml $(ALLSPHINXOPTS) $(BUILDDIR)/singlehtml
@echo
@echo "Build finished. The HTML page is in $(BUILDDIR)/singlehtml."
pickle:
$(SPHINXBUILD) -b pickle $(ALLSPHINXOPTS) $(BUILDDIR)/pickle
@echo
@echo "Build finished; now you can process the pickle files."
json:
$(SPHINXBUILD) -b json $(ALLSPHINXOPTS) $(BUILDDIR)/json
@echo
@echo "Build finished; now you can process the JSON files."
htmlhelp:
$(SPHINXBUILD) -b htmlhelp $(ALLSPHINXOPTS) $(BUILDDIR)/htmlhelp
@echo
@echo "Build finished; now you can run HTML Help Workshop with the" \
".hhp project file in $(BUILDDIR)/htmlhelp."
qthelp:
$(SPHINXBUILD) -b qthelp $(ALLSPHINXOPTS) $(BUILDDIR)/qthelp
@echo
@echo "Build finished; now you can run "qcollectiongenerator" with the" \
".qhcp project file in $(BUILDDIR)/qthelp, like this:"
@echo "# qcollectiongenerator $(BUILDDIR)/qthelp/libuv.qhcp"
@echo "To view the help file:"
@echo "# assistant -collectionFile $(BUILDDIR)/qthelp/libuv.qhc"
devhelp:
$(SPHINXBUILD) -b devhelp $(ALLSPHINXOPTS) $(BUILDDIR)/devhelp
@echo
@echo "Build finished."
@echo "To view the help file:"
@echo "# mkdir -p $$HOME/.local/share/devhelp/libuv"
@echo "# ln -s $(BUILDDIR)/devhelp $$HOME/.local/share/devhelp/libuv"
@echo "# devhelp"
epub:
$(SPHINXBUILD) -b epub $(ALLSPHINXOPTS) $(BUILDDIR)/epub
@echo
@echo "Build finished. The epub file is in $(BUILDDIR)/epub."
latex:
$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
@echo
@echo "Build finished; the LaTeX files are in $(BUILDDIR)/latex."
@echo "Run \`make' in that directory to run these through (pdf)latex" \
"(use \`make latexpdf' here to do that automatically)."
latexpdf:
$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
@echo "Running LaTeX files through pdflatex..."
$(MAKE) -C $(BUILDDIR)/latex all-pdf
@echo "pdflatex finished; the PDF files are in $(BUILDDIR)/latex."
latexpdfja:
$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
@echo "Running LaTeX files through platex and dvipdfmx..."
$(MAKE) -C $(BUILDDIR)/latex all-pdf-ja
@echo "pdflatex finished; the PDF files are in $(BUILDDIR)/latex."
text:
$(SPHINXBUILD) -b text $(ALLSPHINXOPTS) $(BUILDDIR)/text
@echo
@echo "Build finished. The text files are in $(BUILDDIR)/text."
man:
$(SPHINXBUILD) -b man $(ALLSPHINXOPTS) $(BUILDDIR)/man
@echo
@echo "Build finished. The manual pages are in $(BUILDDIR)/man."
texinfo:
$(SPHINXBUILD) -b texinfo $(ALLSPHINXOPTS) $(BUILDDIR)/texinfo
@echo
@echo "Build finished. The Texinfo files are in $(BUILDDIR)/texinfo."
@echo "Run \`make' in that directory to run these through makeinfo" \
"(use \`make info' here to do that automatically)."
info:
$(SPHINXBUILD) -b texinfo $(ALLSPHINXOPTS) $(BUILDDIR)/texinfo
@echo "Running Texinfo files through makeinfo..."
make -C $(BUILDDIR)/texinfo info
@echo "makeinfo finished; the Info files are in $(BUILDDIR)/texinfo."
gettext:
$(SPHINXBUILD) -b gettext $(I18NSPHINXOPTS) $(BUILDDIR)/locale
@echo
@echo "Build finished. The message catalogs are in $(BUILDDIR)/locale."
changes:
$(SPHINXBUILD) -b changes $(ALLSPHINXOPTS) $(BUILDDIR)/changes
@echo
@echo "The overview file is in $(BUILDDIR)/changes."
linkcheck:
$(SPHINXBUILD) -b linkcheck $(ALLSPHINXOPTS) $(BUILDDIR)/linkcheck
@echo
@echo "Link check complete; look for any errors in the above output " \
"or in $(BUILDDIR)/linkcheck/output.txt."
doctest:
$(SPHINXBUILD) -b doctest $(ALLSPHINXOPTS) $(BUILDDIR)/doctest
@echo "Testing of doctests in the sources finished, look at the " \
"results in $(BUILDDIR)/doctest/output.txt."
xml:
$(SPHINXBUILD) -b xml $(ALLSPHINXOPTS) $(BUILDDIR)/xml
@echo
@echo "Build finished. The XML files are in $(BUILDDIR)/xml."
pseudoxml:
$(SPHINXBUILD) -b pseudoxml $(ALLSPHINXOPTS) $(BUILDDIR)/pseudoxml
@echo
@echo "Build finished. The pseudo-XML files are in $(BUILDDIR)/pseudoxml."

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#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <uv.h>
uv_loop_t *loop;
uv_process_t child_req;
uv_process_options_t options;
void cleanup_handles(uv_process_t *req, int64_t exit_status, int term_signal) {
fprintf(stderr, "Process exited with status %" PRId64 ", signal %d\n", exit_status, term_signal);
uv_close((uv_handle_t*) req->data, NULL);
uv_close((uv_handle_t*) req, NULL);
}
void invoke_cgi_script(uv_tcp_t *client) {
size_t size = 500;
char path[size];
uv_exepath(path, &size);
strcpy(path + (strlen(path) - strlen("cgi")), "tick");
char* args[2];
args[0] = path;
args[1] = NULL;
/* ... finding the executable path and setting up arguments ... */
options.stdio_count = 3;
uv_stdio_container_t child_stdio[3];
child_stdio[0].flags = UV_IGNORE;
child_stdio[1].flags = UV_INHERIT_STREAM;
child_stdio[1].data.stream = (uv_stream_t*) client;
child_stdio[2].flags = UV_IGNORE;
options.stdio = child_stdio;
options.exit_cb = cleanup_handles;
options.file = args[0];
options.args = args;
// Set this so we can close the socket after the child process exits.
child_req.data = (void*) client;
int r;
if ((r = uv_spawn(loop, &child_req, &options))) {
fprintf(stderr, "%s\n", uv_strerror(r));
return;
}
}
void on_new_connection(uv_stream_t *server, int status) {
if (status == -1) {
// error!
return;
}
uv_tcp_t *client = (uv_tcp_t*) malloc(sizeof(uv_tcp_t));
uv_tcp_init(loop, client);
if (uv_accept(server, (uv_stream_t*) client) == 0) {
invoke_cgi_script(client);
}
else {
uv_close((uv_handle_t*) client, NULL);
}
}
int main() {
loop = uv_default_loop();
uv_tcp_t server;
uv_tcp_init(loop, &server);
struct sockaddr_in bind_addr;
uv_ip4_addr("0.0.0.0", 7000, &bind_addr);
uv_tcp_bind(&server, (const struct sockaddr *)&bind_addr, 0);
int r = uv_listen((uv_stream_t*) &server, 128, on_new_connection);
if (r) {
fprintf(stderr, "Listen error %s\n", uv_err_name(r));
return 1;
}
return uv_run(loop, UV_RUN_DEFAULT);
}

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deps/libuv/docs/code/cgi/tick.c vendored Normal file
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#include <stdio.h>
#include <unistd.h>
int main() {
int i;
for (i = 0; i < 10; i++) {
printf("tick\n");
fflush(stdout);
sleep(1);
}
printf("BOOM!\n");
return 0;
}

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#include <stdio.h>
#include <uv.h>
uv_loop_t *loop;
uv_process_t child_req;
uv_process_options_t options;
int main() {
loop = uv_default_loop();
char* args[3];
args[0] = "sleep";
args[1] = "100";
args[2] = NULL;
options.exit_cb = NULL;
options.file = "sleep";
options.args = args;
options.flags = UV_PROCESS_DETACHED;
int r;
if ((r = uv_spawn(loop, &child_req, &options))) {
fprintf(stderr, "%s\n", uv_strerror(r));
return 1;
}
fprintf(stderr, "Launched sleep with PID %d\n", child_req.pid);
uv_unref((uv_handle_t*) &child_req);
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <uv.h>
uv_loop_t *loop;
void alloc_buffer(uv_handle_t *handle, size_t suggested_size, uv_buf_t *buf) {
buf->base = malloc(suggested_size);
buf->len = suggested_size;
}
void on_read(uv_stream_t *client, ssize_t nread, const uv_buf_t *buf) {
if (nread < 0) {
if (nread != UV_EOF)
fprintf(stderr, "Read error %s\n", uv_err_name(nread));
uv_close((uv_handle_t*) client, NULL);
free(buf->base);
free(client);
return;
}
char *data = (char*) malloc(sizeof(char) * (nread+1));
data[nread] = '\0';
strncpy(data, buf->base, nread);
fprintf(stderr, "%s", data);
free(data);
free(buf->base);
}
void on_connect(uv_connect_t *req, int status) {
if (status < 0) {
fprintf(stderr, "connect failed error %s\n", uv_err_name(status));
free(req);
return;
}
uv_read_start((uv_stream_t*) req->handle, alloc_buffer, on_read);
free(req);
}
void on_resolved(uv_getaddrinfo_t *resolver, int status, struct addrinfo *res) {
if (status < 0) {
fprintf(stderr, "getaddrinfo callback error %s\n", uv_err_name(status));
return;
}
char addr[17] = {'\0'};
uv_ip4_name((struct sockaddr_in*) res->ai_addr, addr, 16);
fprintf(stderr, "%s\n", addr);
uv_connect_t *connect_req = (uv_connect_t*) malloc(sizeof(uv_connect_t));
uv_tcp_t *socket = (uv_tcp_t*) malloc(sizeof(uv_tcp_t));
uv_tcp_init(loop, socket);
uv_tcp_connect(connect_req, socket, (const struct sockaddr*) res->ai_addr, on_connect);
uv_freeaddrinfo(res);
}
int main() {
loop = uv_default_loop();
struct addrinfo hints;
hints.ai_family = PF_INET;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
hints.ai_flags = 0;
uv_getaddrinfo_t resolver;
fprintf(stderr, "irc.freenode.net is... ");
int r = uv_getaddrinfo(loop, &resolver, on_resolved, "irc.freenode.net", "6667", &hints);
if (r) {
fprintf(stderr, "getaddrinfo call error %s\n", uv_err_name(r));
return 1;
}
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include <stdio.h>
#include <stdlib.h>
#include <uv.h>
int main() {
uv_loop_t *loop = malloc(sizeof(uv_loop_t));
uv_loop_init(loop);
printf("Now quitting.\n");
uv_run(loop, UV_RUN_DEFAULT);
uv_loop_close(loop);
free(loop);
return 0;
}

24
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#include <stdio.h>
#include <uv.h>
int64_t counter = 0;
void wait_for_a_while(uv_idle_t* handle) {
counter++;
if (counter >= 10e6)
uv_idle_stop(handle);
}
int main() {
uv_idle_t idler;
uv_idle_init(uv_default_loop(), &idler);
uv_idle_start(&idler, wait_for_a_while);
printf("Idling...\n");
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
uv_loop_close(uv_default_loop());
return 0;
}

43
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#include <stdio.h>
#include <uv.h>
uv_loop_t *loop;
uv_fs_t stdin_watcher;
uv_idle_t idler;
char buffer[1024];
void crunch_away(uv_idle_t* handle) {
// Compute extra-terrestrial life
// fold proteins
// computer another digit of PI
// or similar
fprintf(stderr, "Computing PI...\n");
// just to avoid overwhelming your terminal emulator
uv_idle_stop(handle);
}
void on_type(uv_fs_t *req) {
if (stdin_watcher.result > 0) {
buffer[stdin_watcher.result] = '\0';
printf("Typed %s\n", buffer);
uv_buf_t buf = uv_buf_init(buffer, 1024);
uv_fs_read(loop, &stdin_watcher, 0, &buf, 1, -1, on_type);
uv_idle_start(&idler, crunch_away);
}
else if (stdin_watcher.result < 0) {
fprintf(stderr, "error opening file: %s\n", uv_strerror(req->result));
}
}
int main() {
loop = uv_default_loop();
uv_idle_init(loop, &idler);
uv_buf_t buf = uv_buf_init(buffer, 1024);
uv_fs_read(loop, &stdin_watcher, 0, &buf, 1, -1, on_type);
uv_idle_start(&idler, crunch_away);
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include <stdio.h>
#include <uv.h>
int main() {
char buf[512];
uv_interface_address_t *info;
int count, i;
uv_interface_addresses(&info, &count);
i = count;
printf("Number of interfaces: %d\n", count);
while (i--) {
uv_interface_address_t interface = info[i];
printf("Name: %s\n", interface.name);
printf("Internal? %s\n", interface.is_internal ? "Yes" : "No");
if (interface.address.address4.sin_family == AF_INET) {
uv_ip4_name(&interface.address.address4, buf, sizeof(buf));
printf("IPv4 address: %s\n", buf);
}
else if (interface.address.address4.sin_family == AF_INET6) {
uv_ip6_name(&interface.address.address6, buf, sizeof(buf));
printf("IPv6 address: %s\n", buf);
}
printf("\n");
}
uv_free_interface_addresses(info, count);
return 0;
}

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#include <stdio.h>
#include <uv.h>
uv_barrier_t blocker;
uv_rwlock_t numlock;
int shared_num;
void reader(void *n)
{
int num = *(int *)n;
int i;
for (i = 0; i < 20; i++) {
uv_rwlock_rdlock(&numlock);
printf("Reader %d: acquired lock\n", num);
printf("Reader %d: shared num = %d\n", num, shared_num);
uv_rwlock_rdunlock(&numlock);
printf("Reader %d: released lock\n", num);
}
uv_barrier_wait(&blocker);
}
void writer(void *n)
{
int num = *(int *)n;
int i;
for (i = 0; i < 20; i++) {
uv_rwlock_wrlock(&numlock);
printf("Writer %d: acquired lock\n", num);
shared_num++;
printf("Writer %d: incremented shared num = %d\n", num, shared_num);
uv_rwlock_wrunlock(&numlock);
printf("Writer %d: released lock\n", num);
}
uv_barrier_wait(&blocker);
}
int main()
{
uv_barrier_init(&blocker, 4);
shared_num = 0;
uv_rwlock_init(&numlock);
uv_thread_t threads[3];
int thread_nums[] = {1, 2, 1};
uv_thread_create(&threads[0], reader, &thread_nums[0]);
uv_thread_create(&threads[1], reader, &thread_nums[1]);
uv_thread_create(&threads[2], writer, &thread_nums[2]);
uv_barrier_wait(&blocker);
uv_barrier_destroy(&blocker);
uv_rwlock_destroy(&numlock);
return 0;
}

20
deps/libuv/docs/code/multi-echo-server/hammer.js vendored Normal file
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var net = require('net');
var PHRASE = "hello world";
var write = function(socket) {
socket.write(PHRASE, 'utf8');
}
for (var i = 0; i < 1000; i++) {
(function() {
var socket = net.connect(7000, 'localhost', function() {
socket.on('data', function(reply) {
if (reply.toString().indexOf(PHRASE) != 0)
console.error("Problem! '" + reply + "'" + " '" + PHRASE + "'");
else
write(socket);
});
write(socket);
});
})();
}

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#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <uv.h>
uv_loop_t *loop;
struct child_worker {
uv_process_t req;
uv_process_options_t options;
uv_pipe_t pipe;
} *workers;
int round_robin_counter;
int child_worker_count;
uv_buf_t dummy_buf;
char worker_path[500];
void close_process_handle(uv_process_t *req, int64_t exit_status, int term_signal) {
fprintf(stderr, "Process exited with status %" PRId64 ", signal %d\n", exit_status, term_signal);
uv_close((uv_handle_t*) req, NULL);
}
void alloc_buffer(uv_handle_t *handle, size_t suggested_size, uv_buf_t *buf) {
buf->base = malloc(suggested_size);
buf->len = suggested_size;
}
void on_new_connection(uv_stream_t *server, int status) {
if (status == -1) {
// error!
return;
}
uv_tcp_t *client = (uv_tcp_t*) malloc(sizeof(uv_tcp_t));
uv_tcp_init(loop, client);
if (uv_accept(server, (uv_stream_t*) client) == 0) {
uv_write_t *write_req = (uv_write_t*) malloc(sizeof(uv_write_t));
dummy_buf = uv_buf_init("a", 1);
struct child_worker *worker = &workers[round_robin_counter];
uv_write2(write_req, (uv_stream_t*) &worker->pipe, &dummy_buf, 1, (uv_stream_t*) client, NULL);
round_robin_counter = (round_robin_counter + 1) % child_worker_count;
}
else {
uv_close((uv_handle_t*) client, NULL);
}
}
void setup_workers() {
size_t path_size = 500;
uv_exepath(worker_path, &path_size);
strcpy(worker_path + (strlen(worker_path) - strlen("multi-echo-server")), "worker");
fprintf(stderr, "Worker path: %s\n", worker_path);
char* args[2];
args[0] = worker_path;
args[1] = NULL;
round_robin_counter = 0;
// ...
// launch same number of workers as number of CPUs
uv_cpu_info_t *info;
int cpu_count;
uv_cpu_info(&info, &cpu_count);
uv_free_cpu_info(info, cpu_count);
child_worker_count = cpu_count;
workers = calloc(cpu_count, sizeof(struct child_worker));
while (cpu_count--) {
struct child_worker *worker = &workers[cpu_count];
uv_pipe_init(loop, &worker->pipe, 1);
uv_stdio_container_t child_stdio[3];
child_stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
child_stdio[0].data.stream = (uv_stream_t*) &worker->pipe;
child_stdio[1].flags = UV_IGNORE;
child_stdio[2].flags = UV_INHERIT_FD;
child_stdio[2].data.fd = 2;
worker->options.stdio = child_stdio;
worker->options.stdio_count = 3;
worker->options.exit_cb = close_process_handle;
worker->options.file = args[0];
worker->options.args = args;
uv_spawn(loop, &worker->req, &worker->options);
fprintf(stderr, "Started worker %d\n", worker->req.pid);
}
}
int main() {
loop = uv_default_loop();
setup_workers();
uv_tcp_t server;
uv_tcp_init(loop, &server);
struct sockaddr_in bind_addr;
uv_ip4_addr("0.0.0.0", 7000, &bind_addr);
uv_tcp_bind(&server, (const struct sockaddr *)&bind_addr, 0);
int r;
if ((r = uv_listen((uv_stream_t*) &server, 128, on_new_connection))) {
fprintf(stderr, "Listen error %s\n", uv_err_name(r));
return 2;
}
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <uv.h>
uv_loop_t *loop;
uv_pipe_t queue;
typedef struct {
uv_write_t req;
uv_buf_t buf;
} write_req_t;
void free_write_req(uv_write_t *req) {
write_req_t *wr = (write_req_t*) req;
free(wr->buf.base);
free(wr);
}
void alloc_buffer(uv_handle_t *handle, size_t suggested_size, uv_buf_t *buf) {
buf->base = malloc(suggested_size);
buf->len = suggested_size;
}
void echo_write(uv_write_t *req, int status) {
if (status) {
fprintf(stderr, "Write error %s\n", uv_err_name(status));
}
free_write_req(req);
}
void echo_read(uv_stream_t *client, ssize_t nread, const uv_buf_t *buf) {
if (nread > 0) {
write_req_t *req = (write_req_t*) malloc(sizeof(write_req_t));
req->buf = uv_buf_init(buf->base, nread);
uv_write((uv_write_t*) req, client, &req->buf, 1, echo_write);
return;
}
if (nread < 0) {
if (nread != UV_EOF)
fprintf(stderr, "Read error %s\n", uv_err_name(nread));
uv_close((uv_handle_t*) client, NULL);
}
free(buf->base);
}
void on_new_connection(uv_stream_t *q, ssize_t nread, const uv_buf_t *buf) {
if (nread < 0) {
if (nread != UV_EOF)
fprintf(stderr, "Read error %s\n", uv_err_name(nread));
uv_close((uv_handle_t*) q, NULL);
return;
}
uv_pipe_t *pipe = (uv_pipe_t*) q;
if (!uv_pipe_pending_count(pipe)) {
fprintf(stderr, "No pending count\n");
return;
}
uv_handle_type pending = uv_pipe_pending_type(pipe);
assert(pending == UV_TCP);
uv_tcp_t *client = (uv_tcp_t*) malloc(sizeof(uv_tcp_t));
uv_tcp_init(loop, client);
if (uv_accept(q, (uv_stream_t*) client) == 0) {
uv_os_fd_t fd;
uv_fileno((const uv_handle_t*) client, &fd);
fprintf(stderr, "Worker %d: Accepted fd %d\n", getpid(), fd);
uv_read_start((uv_stream_t*) client, alloc_buffer, echo_read);
}
else {
uv_close((uv_handle_t*) client, NULL);
}
}
int main() {
loop = uv_default_loop();
uv_pipe_init(loop, &queue, 1 /* ipc */);
uv_pipe_open(&queue, 0);
uv_read_start((uv_stream_t*)&queue, alloc_buffer, on_new_connection);
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include <stdio.h>
#include <stdlib.h>
#include <uv.h>
uv_loop_t *loop;
const char *command;
void run_command(uv_fs_event_t *handle, const char *filename, int events, int status) {
char path[1024];
size_t size = 1023;
// Does not handle error if path is longer than 1023.
uv_fs_event_getpath(handle, path, &size);
path[size] = '\0';
fprintf(stderr, "Change detected in %s: ", path);
if (events & UV_RENAME)
fprintf(stderr, "renamed");
if (events & UV_CHANGE)
fprintf(stderr, "changed");
fprintf(stderr, " %s\n", filename ? filename : "");
system(command);
}
int main(int argc, char **argv) {
if (argc <= 2) {
fprintf(stderr, "Usage: %s <command> <file1> [file2 ...]\n", argv[0]);
return 1;
}
loop = uv_default_loop();
command = argv[1];
while (argc-- > 2) {
fprintf(stderr, "Adding watch on %s\n", argv[argc]);
uv_fs_event_t *fs_event_req = malloc(sizeof(uv_fs_event_t));
uv_fs_event_init(loop, fs_event_req);
// The recursive flag watches subdirectories too.
uv_fs_event_start(fs_event_req, run_command, argv[argc], UV_FS_EVENT_RECURSIVE);
}
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <uv.h>
#ifdef _WIN32
#define PIPENAME "\\\\?\\pipe\\echo.sock"
#else
#define PIPENAME "/tmp/echo.sock"
#endif
uv_loop_t *loop;
typedef struct {
uv_write_t req;
uv_buf_t buf;
} write_req_t;
void free_write_req(uv_write_t *req) {
write_req_t *wr = (write_req_t*) req;
free(wr->buf.base);
free(wr);
}
void alloc_buffer(uv_handle_t *handle, size_t suggested_size, uv_buf_t *buf) {
buf->base = malloc(suggested_size);
buf->len = suggested_size;
}
void echo_write(uv_write_t *req, int status) {
if (status < 0) {
fprintf(stderr, "Write error %s\n", uv_err_name(status));
}
free_write_req(req);
}
void echo_read(uv_stream_t *client, ssize_t nread, const uv_buf_t *buf) {
if (nread > 0) {
write_req_t *req = (write_req_t*) malloc(sizeof(write_req_t));
req->buf = uv_buf_init(buf->base, nread);
uv_write((uv_write_t*) req, client, &req->buf, 1, echo_write);
return;
}
if (nread < 0) {
if (nread != UV_EOF)
fprintf(stderr, "Read error %s\n", uv_err_name(nread));
uv_close((uv_handle_t*) client, NULL);
}
free(buf->base);
}
void on_new_connection(uv_stream_t *server, int status) {
if (status == -1) {
// error!
return;
}
uv_pipe_t *client = (uv_pipe_t*) malloc(sizeof(uv_pipe_t));
uv_pipe_init(loop, client, 0);
if (uv_accept(server, (uv_stream_t*) client) == 0) {
uv_read_start((uv_stream_t*) client, alloc_buffer, echo_read);
}
else {
uv_close((uv_handle_t*) client, NULL);
}
}
void remove_sock(int sig) {
uv_fs_t req;
uv_fs_unlink(loop, &req, PIPENAME, NULL);
exit(0);
}
int main() {
loop = uv_default_loop();
uv_pipe_t server;
uv_pipe_init(loop, &server, 0);
signal(SIGINT, remove_sock);
int r;
if ((r = uv_pipe_bind(&server, PIPENAME))) {
fprintf(stderr, "Bind error %s\n", uv_err_name(r));
return 1;
}
if ((r = uv_listen((uv_stream_t*) &server, 128, on_new_connection))) {
fprintf(stderr, "Listen error %s\n", uv_err_name(r));
return 2;
}
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include "plugin.h"
void initialize() {
mfp_register("Hello World!");
}

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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <uv.h>
#include "plugin.h"
typedef void (*init_plugin_function)();
void mfp_register(const char *name) {
fprintf(stderr, "Registered plugin \"%s\"\n", name);
}
int main(int argc, char **argv) {
if (argc == 1) {
fprintf(stderr, "Usage: %s [plugin1] [plugin2] ...\n", argv[0]);
return 0;
}
uv_lib_t *lib = (uv_lib_t*) malloc(sizeof(uv_lib_t));
while (--argc) {
fprintf(stderr, "Loading %s\n", argv[argc]);
if (uv_dlopen(argv[argc], lib)) {
fprintf(stderr, "Error: %s\n", uv_dlerror(lib));
continue;
}
init_plugin_function init_plugin;
if (uv_dlsym(lib, "initialize", (void **) &init_plugin)) {
fprintf(stderr, "dlsym error: %s\n", uv_dlerror(lib));
continue;
}
init_plugin();
}
return 0;
}

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#ifndef UVBOOK_PLUGIN_SYSTEM
#define UVBOOK_PLUGIN_SYSTEM
// Plugin authors should use this to register their plugins with mfp.
void mfp_register(const char *name);
#endif

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#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include <uv.h>
uv_loop_t *loop;
uv_process_t child_req;
uv_process_options_t options;
void on_exit(uv_process_t *req, int64_t exit_status, int term_signal) {
fprintf(stderr, "Process exited with status %" PRId64 ", signal %d\n", exit_status, term_signal);
uv_close((uv_handle_t*) req, NULL);
}
int main() {
loop = uv_default_loop();
size_t size = 500;
char path[size];
uv_exepath(path, &size);
strcpy(path + (strlen(path) - strlen("proc-streams")), "test");
char* args[2];
args[0] = path;
args[1] = NULL;
/* ... */
options.stdio_count = 3;
uv_stdio_container_t child_stdio[3];
child_stdio[0].flags = UV_IGNORE;
child_stdio[1].flags = UV_IGNORE;
child_stdio[2].flags = UV_INHERIT_FD;
child_stdio[2].data.fd = 2;
options.stdio = child_stdio;
options.exit_cb = on_exit;
options.file = args[0];
options.args = args;
int r;
if ((r = uv_spawn(loop, &child_req, &options))) {
fprintf(stderr, "%s\n", uv_strerror(r));
return 1;
}
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include <stdio.h>
int main()
{
fprintf(stderr, "This is stderr\n");
printf("This is stdout\n");
return 0;
}

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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <uv.h>
uv_loop_t *loop;
uv_async_t async;
double percentage;
void fake_download(uv_work_t *req) {
int size = *((int*) req->data);
int downloaded = 0;
while (downloaded < size) {
percentage = downloaded*100.0/size;
async.data = (void*) &percentage;
uv_async_send(&async);
sleep(1);
downloaded += (200+random())%1000; // can only download max 1000bytes/sec,
// but at least a 200;
}
}
void after(uv_work_t *req, int status) {
fprintf(stderr, "Download complete\n");
uv_close((uv_handle_t*) &async, NULL);
}
void print_progress(uv_async_t *handle) {
double percentage = *((double*) handle->data);
fprintf(stderr, "Downloaded %.2f%%\n", percentage);
}
int main() {
loop = uv_default_loop();
uv_work_t req;
int size = 10240;
req.data = (void*) &size;
uv_async_init(loop, &async, print_progress);
uv_queue_work(loop, &req, fake_download, after);
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <uv.h>
#define FIB_UNTIL 25
uv_loop_t *loop;
uv_work_t fib_reqs[FIB_UNTIL];
long fib_(long t) {
if (t == 0 || t == 1)
return 1;
else
return fib_(t-1) + fib_(t-2);
}
void fib(uv_work_t *req) {
int n = *(int *) req->data;
if (random() % 2)
sleep(1);
else
sleep(3);
long fib = fib_(n);
fprintf(stderr, "%dth fibonacci is %lu\n", n, fib);
}
void after_fib(uv_work_t *req, int status) {
if (status == UV_ECANCELED)
fprintf(stderr, "Calculation of %d cancelled.\n", *(int *) req->data);
}
void signal_handler(uv_signal_t *req, int signum)
{
printf("Signal received!\n");
int i;
for (i = 0; i < FIB_UNTIL; i++) {
uv_cancel((uv_req_t*) &fib_reqs[i]);
}
uv_signal_stop(req);
}
int main() {
loop = uv_default_loop();
int data[FIB_UNTIL];
int i;
for (i = 0; i < FIB_UNTIL; i++) {
data[i] = i;
fib_reqs[i].data = (void *) &data[i];
uv_queue_work(loop, &fib_reqs[i], fib, after_fib);
}
uv_signal_t sig;
uv_signal_init(loop, &sig);
uv_signal_start(&sig, signal_handler, SIGINT);
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <uv.h>
#define FIB_UNTIL 25
uv_loop_t *loop;
long fib_(long t) {
if (t == 0 || t == 1)
return 1;
else
return fib_(t-1) + fib_(t-2);
}
void fib(uv_work_t *req) {
int n = *(int *) req->data;
if (random() % 2)
sleep(1);
else
sleep(3);
long fib = fib_(n);
fprintf(stderr, "%dth fibonacci is %lu\n", n, fib);
}
void after_fib(uv_work_t *req, int status) {
fprintf(stderr, "Done calculating %dth fibonacci\n", *(int *) req->data);
}
int main() {
loop = uv_default_loop();
int data[FIB_UNTIL];
uv_work_t req[FIB_UNTIL];
int i;
for (i = 0; i < FIB_UNTIL; i++) {
data[i] = i;
req[i].data = (void *) &data[i];
uv_queue_work(loop, &req[i], fib, after_fib);
}
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include <stdio.h>
#include <uv.h>
uv_loop_t *loop;
uv_timer_t gc_req;
uv_timer_t fake_job_req;
void gc(uv_timer_t *handle) {
fprintf(stderr, "Freeing unused objects\n");
}
void fake_job(uv_timer_t *handle) {
fprintf(stdout, "Fake job done\n");
}
int main() {
loop = uv_default_loop();
uv_timer_init(loop, &gc_req);
uv_unref((uv_handle_t*) &gc_req);
uv_timer_start(&gc_req, gc, 0, 2000);
// could actually be a TCP download or something
uv_timer_init(loop, &fake_job_req);
uv_timer_start(&fake_job_req, fake_job, 9000, 0);
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <uv.h>
uv_loop_t* create_loop()
{
uv_loop_t *loop = malloc(sizeof(uv_loop_t));
if (loop) {
uv_loop_init(loop);
}
return loop;
}
void signal_handler(uv_signal_t *handle, int signum)
{
printf("Signal received: %d\n", signum);
uv_signal_stop(handle);
}
// two signal handlers in one loop
void thread1_worker(void *userp)
{
uv_loop_t *loop1 = create_loop();
uv_signal_t sig1a, sig1b;
uv_signal_init(loop1, &sig1a);
uv_signal_start(&sig1a, signal_handler, SIGUSR1);
uv_signal_init(loop1, &sig1b);
uv_signal_start(&sig1b, signal_handler, SIGUSR1);
uv_run(loop1, UV_RUN_DEFAULT);
}
// two signal handlers, each in its own loop
void thread2_worker(void *userp)
{
uv_loop_t *loop2 = create_loop();
uv_loop_t *loop3 = create_loop();
uv_signal_t sig2;
uv_signal_init(loop2, &sig2);
uv_signal_start(&sig2, signal_handler, SIGUSR1);
uv_signal_t sig3;
uv_signal_init(loop3, &sig3);
uv_signal_start(&sig3, signal_handler, SIGUSR1);
while (uv_run(loop2, UV_RUN_NOWAIT) || uv_run(loop3, UV_RUN_NOWAIT)) {
}
}
int main()
{
printf("PID %d\n", getpid());
uv_thread_t thread1, thread2;
uv_thread_create(&thread1, thread1_worker, 0);
uv_thread_create(&thread2, thread2_worker, 0);
uv_thread_join(&thread1);
uv_thread_join(&thread2);
return 0;
}

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#include <stdio.h>
#include <inttypes.h>
#include <uv.h>
uv_loop_t *loop;
uv_process_t child_req;
uv_process_options_t options;
void on_exit(uv_process_t *req, int64_t exit_status, int term_signal) {
fprintf(stderr, "Process exited with status %" PRId64 ", signal %d\n", exit_status, term_signal);
uv_close((uv_handle_t*) req, NULL);
}
int main() {
loop = uv_default_loop();
char* args[3];
args[0] = "mkdir";
args[1] = "test-dir";
args[2] = NULL;
options.exit_cb = on_exit;
options.file = "mkdir";
options.args = args;
int r;
if ((r = uv_spawn(loop, &child_req, &options))) {
fprintf(stderr, "%s\n", uv_strerror(r));
return 1;
} else {
fprintf(stderr, "Launched process with ID %d\n", child_req.pid);
}
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <uv.h>
#define DEFAULT_PORT 7000
#define DEFAULT_BACKLOG 128
uv_loop_t *loop;
struct sockaddr_in addr;
typedef struct {
uv_write_t req;
uv_buf_t buf;
} write_req_t;
void free_write_req(uv_write_t *req) {
write_req_t *wr = (write_req_t*) req;
free(wr->buf.base);
free(wr);
}
void alloc_buffer(uv_handle_t *handle, size_t suggested_size, uv_buf_t *buf) {
buf->base = (char*) malloc(suggested_size);
buf->len = suggested_size;
}
void on_close(uv_handle_t* handle) {
free(handle);
}
void echo_write(uv_write_t *req, int status) {
if (status) {
fprintf(stderr, "Write error %s\n", uv_strerror(status));
}
free_write_req(req);
}
void echo_read(uv_stream_t *client, ssize_t nread, const uv_buf_t *buf) {
if (nread > 0) {
write_req_t *req = (write_req_t*) malloc(sizeof(write_req_t));
req->buf = uv_buf_init(buf->base, nread);
uv_write((uv_write_t*) req, client, &req->buf, 1, echo_write);
return;
}
if (nread < 0) {
if (nread != UV_EOF)
fprintf(stderr, "Read error %s\n", uv_err_name(nread));
uv_close((uv_handle_t*) client, on_close);
}
free(buf->base);
}
void on_new_connection(uv_stream_t *server, int status) {
if (status < 0) {
fprintf(stderr, "New connection error %s\n", uv_strerror(status));
// error!
return;
}
uv_tcp_t *client = (uv_tcp_t*) malloc(sizeof(uv_tcp_t));
uv_tcp_init(loop, client);
if (uv_accept(server, (uv_stream_t*) client) == 0) {
uv_read_start((uv_stream_t*) client, alloc_buffer, echo_read);
}
else {
uv_close((uv_handle_t*) client, on_close);
}
}
int main() {
loop = uv_default_loop();
uv_tcp_t server;
uv_tcp_init(loop, &server);
uv_ip4_addr("0.0.0.0", DEFAULT_PORT, &addr);
uv_tcp_bind(&server, (const struct sockaddr*)&addr, 0);
int r = uv_listen((uv_stream_t*) &server, DEFAULT_BACKLOG, on_new_connection);
if (r) {
fprintf(stderr, "Listen error %s\n", uv_strerror(r));
return 1;
}
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include <stdio.h>
#include <unistd.h>
#include <uv.h>
void hare(void *arg) {
int tracklen = *((int *) arg);
while (tracklen) {
tracklen--;
sleep(1);
fprintf(stderr, "Hare ran another step\n");
}
fprintf(stderr, "Hare done running!\n");
}
void tortoise(void *arg) {
int tracklen = *((int *) arg);
while (tracklen) {
tracklen--;
fprintf(stderr, "Tortoise ran another step\n");
sleep(3);
}
fprintf(stderr, "Tortoise done running!\n");
}
int main() {
int tracklen = 10;
uv_thread_t hare_id;
uv_thread_t tortoise_id;
uv_thread_create(&hare_id, hare, &tracklen);
uv_thread_create(&tortoise_id, tortoise, &tracklen);
uv_thread_join(&hare_id);
uv_thread_join(&tortoise_id);
return 0;
}

48
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#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <uv.h>
uv_loop_t *loop;
uv_tty_t tty;
uv_timer_t tick;
uv_write_t write_req;
int width, height;
int pos = 0;
char *message = " Hello TTY ";
void update(uv_timer_t *req) {
char data[500];
uv_buf_t buf;
buf.base = data;
buf.len = sprintf(data, "\033[2J\033[H\033[%dB\033[%luC\033[42;37m%s",
pos,
(unsigned long) (width-strlen(message))/2,
message);
uv_write(&write_req, (uv_stream_t*) &tty, &buf, 1, NULL);
pos++;
if (pos > height) {
uv_tty_reset_mode();
uv_timer_stop(&tick);
}
}
int main() {
loop = uv_default_loop();
uv_tty_init(loop, &tty, STDOUT_FILENO, 0);
uv_tty_set_mode(&tty, 0);
if (uv_tty_get_winsize(&tty, &width, &height)) {
fprintf(stderr, "Could not get TTY information\n");
uv_tty_reset_mode();
return 1;
}
fprintf(stderr, "Width %d, height %d\n", width, height);
uv_timer_init(loop, &tick);
uv_timer_start(&tick, update, 200, 200);
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <uv.h>
uv_loop_t *loop;
uv_tty_t tty;
int main() {
loop = uv_default_loop();
uv_tty_init(loop, &tty, STDOUT_FILENO, 0);
uv_tty_set_mode(&tty, UV_TTY_MODE_NORMAL);
if (uv_guess_handle(1) == UV_TTY) {
uv_write_t req;
uv_buf_t buf;
buf.base = "\033[41;37m";
buf.len = strlen(buf.base);
uv_write(&req, (uv_stream_t*) &tty, &buf, 1, NULL);
}
uv_write_t req;
uv_buf_t buf;
buf.base = "Hello TTY\n";
buf.len = strlen(buf.base);
uv_write(&req, (uv_stream_t*) &tty, &buf, 1, NULL);
uv_tty_reset_mode();
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <uv.h>
uv_loop_t *loop;
uv_udp_t send_socket;
uv_udp_t recv_socket;
void alloc_buffer(uv_handle_t *handle, size_t suggested_size, uv_buf_t *buf) {
buf->base = malloc(suggested_size);
buf->len = suggested_size;
}
void on_read(uv_udp_t *req, ssize_t nread, const uv_buf_t *buf, const struct sockaddr *addr, unsigned flags) {
if (nread < 0) {
fprintf(stderr, "Read error %s\n", uv_err_name(nread));
uv_close((uv_handle_t*) req, NULL);
free(buf->base);
return;
}
char sender[17] = { 0 };
uv_ip4_name((const struct sockaddr_in*) addr, sender, 16);
fprintf(stderr, "Recv from %s\n", sender);
// ... DHCP specific code
unsigned int *as_integer = (unsigned int*)buf->base;
unsigned int ipbin = ntohl(as_integer[4]);
unsigned char ip[4] = {0};
int i;
for (i = 0; i < 4; i++)
ip[i] = (ipbin >> i*8) & 0xff;
fprintf(stderr, "Offered IP %d.%d.%d.%d\n", ip[3], ip[2], ip[1], ip[0]);
free(buf->base);
uv_udp_recv_stop(req);
}
uv_buf_t make_discover_msg() {
uv_buf_t buffer;
alloc_buffer(NULL, 256, &buffer);
memset(buffer.base, 0, buffer.len);
// BOOTREQUEST
buffer.base[0] = 0x1;
// HTYPE ethernet
buffer.base[1] = 0x1;
// HLEN
buffer.base[2] = 0x6;
// HOPS
buffer.base[3] = 0x0;
// XID 4 bytes
buffer.base[4] = (unsigned int) random();
// SECS
buffer.base[8] = 0x0;
// FLAGS
buffer.base[10] = 0x80;
// CIADDR 12-15 is all zeros
// YIADDR 16-19 is all zeros
// SIADDR 20-23 is all zeros
// GIADDR 24-27 is all zeros
// CHADDR 28-43 is the MAC address, use your own
buffer.base[28] = 0xe4;
buffer.base[29] = 0xce;
buffer.base[30] = 0x8f;
buffer.base[31] = 0x13;
buffer.base[32] = 0xf6;
buffer.base[33] = 0xd4;
// SNAME 64 bytes zero
// FILE 128 bytes zero
// OPTIONS
// - magic cookie
buffer.base[236] = 99;
buffer.base[237] = 130;
buffer.base[238] = 83;
buffer.base[239] = 99;
// DHCP Message type
buffer.base[240] = 53;
buffer.base[241] = 1;
buffer.base[242] = 1; // DHCPDISCOVER
// DHCP Parameter request list
buffer.base[243] = 55;
buffer.base[244] = 4;
buffer.base[245] = 1;
buffer.base[246] = 3;
buffer.base[247] = 15;
buffer.base[248] = 6;
return buffer;
}
void on_send(uv_udp_send_t *req, int status) {
if (status) {
fprintf(stderr, "Send error %s\n", uv_strerror(status));
return;
}
}
int main() {
loop = uv_default_loop();
uv_udp_init(loop, &recv_socket);
struct sockaddr_in recv_addr;
uv_ip4_addr("0.0.0.0", 68, &recv_addr);
uv_udp_bind(&recv_socket, (const struct sockaddr *)&recv_addr, UV_UDP_REUSEADDR);
uv_udp_recv_start(&recv_socket, alloc_buffer, on_read);
uv_udp_init(loop, &send_socket);
struct sockaddr_in broadcast_addr;
uv_ip4_addr("0.0.0.0", 0, &broadcast_addr);
uv_udp_bind(&send_socket, (const struct sockaddr *)&broadcast_addr, 0);
uv_udp_set_broadcast(&send_socket, 1);
uv_udp_send_t send_req;
uv_buf_t discover_msg = make_discover_msg();
struct sockaddr_in send_addr;
uv_ip4_addr("255.255.255.255", 67, &send_addr);
uv_udp_send(&send_req, &send_socket, &discover_msg, 1, (const struct sockaddr *)&send_addr, on_send);
return uv_run(loop, UV_RUN_DEFAULT);
}

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#include <assert.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <uv.h>
void on_read(uv_fs_t *req);
uv_fs_t open_req;
uv_fs_t read_req;
uv_fs_t write_req;
static char buffer[1024];
static uv_buf_t iov;
void on_write(uv_fs_t *req) {
if (req->result < 0) {
fprintf(stderr, "Write error: %s\n", uv_strerror((int)req->result));
}
else {
uv_fs_read(uv_default_loop(), &read_req, open_req.result, &iov, 1, -1, on_read);
}
}
void on_read(uv_fs_t *req) {
if (req->result < 0) {
fprintf(stderr, "Read error: %s\n", uv_strerror(req->result));
}
else if (req->result == 0) {
uv_fs_t close_req;
// synchronous
uv_fs_close(uv_default_loop(), &close_req, open_req.result, NULL);
}
else if (req->result > 0) {
iov.len = req->result;
uv_fs_write(uv_default_loop(), &write_req, 1, &iov, 1, -1, on_write);
}
}
void on_open(uv_fs_t *req) {
// The request passed to the callback is the same as the one the call setup
// function was passed.
assert(req == &open_req);
if (req->result >= 0) {
iov = uv_buf_init(buffer, sizeof(buffer));
uv_fs_read(uv_default_loop(), &read_req, req->result,
&iov, 1, -1, on_read);
}
else {
fprintf(stderr, "error opening file: %s\n", uv_strerror((int)req->result));
}
}
int main(int argc, char **argv) {
uv_fs_open(uv_default_loop(), &open_req, argv[1], O_RDONLY, 0, on_open);
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
uv_fs_req_cleanup(&open_req);
uv_fs_req_cleanup(&read_req);
uv_fs_req_cleanup(&write_req);
return 0;
}

33
deps/libuv/docs/code/uvstop/main.c vendored Normal file
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#include <stdio.h>
#include <uv.h>
int64_t counter = 0;
void idle_cb(uv_idle_t *handle) {
printf("Idle callback\n");
counter++;
if (counter >= 5) {
uv_stop(uv_default_loop());
printf("uv_stop() called\n");
}
}
void prep_cb(uv_prepare_t *handle) {
printf("Prep callback\n");
}
int main() {
uv_idle_t idler;
uv_prepare_t prep;
uv_idle_init(uv_default_loop(), &idler);
uv_idle_start(&idler, idle_cb);
uv_prepare_init(uv_default_loop(), &prep);
uv_prepare_start(&prep, prep_cb);
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
return 0;
}

80
deps/libuv/docs/code/uvtee/main.c vendored Normal file
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@ -0,0 +1,80 @@
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <uv.h>
typedef struct {
uv_write_t req;
uv_buf_t buf;
} write_req_t;
uv_loop_t *loop;
uv_pipe_t stdin_pipe;
uv_pipe_t stdout_pipe;
uv_pipe_t file_pipe;
void alloc_buffer(uv_handle_t *handle, size_t suggested_size, uv_buf_t *buf) {
*buf = uv_buf_init((char*) malloc(suggested_size), suggested_size);
}
void free_write_req(uv_write_t *req) {
write_req_t *wr = (write_req_t*) req;
free(wr->buf.base);
free(wr);
}
void on_stdout_write(uv_write_t *req, int status) {
free_write_req(req);
}
void on_file_write(uv_write_t *req, int status) {
free_write_req(req);
}
void write_data(uv_stream_t *dest, size_t size, uv_buf_t buf, uv_write_cb cb) {
write_req_t *req = (write_req_t*) malloc(sizeof(write_req_t));
req->buf = uv_buf_init((char*) malloc(size), size);
memcpy(req->buf.base, buf.base, size);
uv_write((uv_write_t*) req, (uv_stream_t*)dest, &req->buf, 1, cb);
}
void read_stdin(uv_stream_t *stream, ssize_t nread, const uv_buf_t *buf) {
if (nread < 0){
if (nread == UV_EOF){
// end of file
uv_close((uv_handle_t *)&stdin_pipe, NULL);
uv_close((uv_handle_t *)&stdout_pipe, NULL);
uv_close((uv_handle_t *)&file_pipe, NULL);
}
} else if (nread > 0) {
write_data((uv_stream_t *)&stdout_pipe, nread, *buf, on_stdout_write);
write_data((uv_stream_t *)&file_pipe, nread, *buf, on_file_write);
}
// OK to free buffer as write_data copies it.
if (buf->base)
free(buf->base);
}
int main(int argc, char **argv) {
loop = uv_default_loop();
uv_pipe_init(loop, &stdin_pipe, 0);
uv_pipe_open(&stdin_pipe, 0);
uv_pipe_init(loop, &stdout_pipe, 0);
uv_pipe_open(&stdout_pipe, 1);
uv_fs_t file_req;
int fd = uv_fs_open(loop, &file_req, argv[1], O_CREAT | O_RDWR, 0644, NULL);
uv_pipe_init(loop, &file_pipe, 0);
uv_pipe_open(&file_pipe, fd);
uv_read_start((uv_stream_t*)&stdin_pipe, alloc_buffer, read_stdin);
uv_run(loop, UV_RUN_DEFAULT);
return 0;
}

166
deps/libuv/docs/code/uvwget/main.c vendored Normal file
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#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <uv.h>
#include <curl/curl.h>
uv_loop_t *loop;
CURLM *curl_handle;
uv_timer_t timeout;
typedef struct curl_context_s {
uv_poll_t poll_handle;
curl_socket_t sockfd;
} curl_context_t;
curl_context_t *create_curl_context(curl_socket_t sockfd) {
curl_context_t *context;
context = (curl_context_t*) malloc(sizeof *context);
context->sockfd = sockfd;
int r = uv_poll_init_socket(loop, &context->poll_handle, sockfd);
assert(r == 0);
context->poll_handle.data = context;
return context;
}
void curl_close_cb(uv_handle_t *handle) {
curl_context_t *context = (curl_context_t*) handle->data;
free(context);
}
void destroy_curl_context(curl_context_t *context) {
uv_close((uv_handle_t*) &context->poll_handle, curl_close_cb);
}
void add_download(const char *url, int num) {
char filename[50];
sprintf(filename, "%d.download", num);
FILE *file;
file = fopen(filename, "w");
if (file == NULL) {
fprintf(stderr, "Error opening %s\n", filename);
return;
}
CURL *handle = curl_easy_init();
curl_easy_setopt(handle, CURLOPT_WRITEDATA, file);
curl_easy_setopt(handle, CURLOPT_URL, url);
curl_multi_add_handle(curl_handle, handle);
fprintf(stderr, "Added download %s -> %s\n", url, filename);
}
void check_multi_info(void) {
char *done_url;
CURLMsg *message;
int pending;
while ((message = curl_multi_info_read(curl_handle, &pending))) {
switch (message->msg) {
case CURLMSG_DONE:
curl_easy_getinfo(message->easy_handle, CURLINFO_EFFECTIVE_URL,
&done_url);
printf("%s DONE\n", done_url);
curl_multi_remove_handle(curl_handle, message->easy_handle);
curl_easy_cleanup(message->easy_handle);
break;
default:
fprintf(stderr, "CURLMSG default\n");
abort();
}
}
}
void curl_perform(uv_poll_t *req, int status, int events) {
uv_timer_stop(&timeout);
int running_handles;
int flags = 0;
if (status < 0) flags = CURL_CSELECT_ERR;
if (!status && events & UV_READABLE) flags |= CURL_CSELECT_IN;
if (!status && events & UV_WRITABLE) flags |= CURL_CSELECT_OUT;
curl_context_t *context;
context = (curl_context_t*)req;
curl_multi_socket_action(curl_handle, context->sockfd, flags, &running_handles);
check_multi_info();
}
void on_timeout(uv_timer_t *req) {
int running_handles;
curl_multi_socket_action(curl_handle, CURL_SOCKET_TIMEOUT, 0, &running_handles);
check_multi_info();
}
void start_timeout(CURLM *multi, long timeout_ms, void *userp) {
if (timeout_ms <= 0)
timeout_ms = 1; /* 0 means directly call socket_action, but we'll do it in a bit */
uv_timer_start(&timeout, on_timeout, timeout_ms, 0);
}
int handle_socket(CURL *easy, curl_socket_t s, int action, void *userp, void *socketp) {
curl_context_t *curl_context;
if (action == CURL_POLL_IN || action == CURL_POLL_OUT) {
if (socketp) {
curl_context = (curl_context_t*) socketp;
}
else {
curl_context = create_curl_context(s);
curl_multi_assign(curl_handle, s, (void *) curl_context);
}
}
switch (action) {
case CURL_POLL_IN:
uv_poll_start(&curl_context->poll_handle, UV_READABLE, curl_perform);
break;
case CURL_POLL_OUT:
uv_poll_start(&curl_context->poll_handle, UV_WRITABLE, curl_perform);
break;
case CURL_POLL_REMOVE:
if (socketp) {
uv_poll_stop(&((curl_context_t*)socketp)->poll_handle);
destroy_curl_context((curl_context_t*) socketp);
curl_multi_assign(curl_handle, s, NULL);
}
break;
default:
abort();
}
return 0;
}
int main(int argc, char **argv) {
loop = uv_default_loop();
if (argc <= 1)
return 0;
if (curl_global_init(CURL_GLOBAL_ALL)) {
fprintf(stderr, "Could not init cURL\n");
return 1;
}
uv_timer_init(loop, &timeout);
curl_handle = curl_multi_init();
curl_multi_setopt(curl_handle, CURLMOPT_SOCKETFUNCTION, handle_socket);
curl_multi_setopt(curl_handle, CURLMOPT_TIMERFUNCTION, start_timeout);
while (argc-- > 1) {
add_download(argv[argc], argc);
}
uv_run(loop, UV_RUN_DEFAULT);
curl_multi_cleanup(curl_handle);
return 0;
}

243
deps/libuv/docs/make.bat vendored Normal file
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@ -0,0 +1,243 @@
@ECHO OFF
REM Command file for Sphinx documentation
if "%SPHINXBUILD%" == "" (
set SPHINXBUILD=sphinx-build
)
set BUILDDIR=build
set SRCDIR=src
set ALLSPHINXOPTS=-d %BUILDDIR%/doctrees %SPHINXOPTS% %SRCDIR%
set I18NSPHINXOPTS=%SPHINXOPTS% %SRCDIR%
if NOT "%PAPER%" == "" (
set ALLSPHINXOPTS=-D latex_paper_size=%PAPER% %ALLSPHINXOPTS%
set I18NSPHINXOPTS=-D latex_paper_size=%PAPER% %I18NSPHINXOPTS%
)
if "%1" == "" goto help
if "%1" == "help" (
:help
echo.Please use `make ^<target^>` where ^<target^> is one of
echo. html to make standalone HTML files
echo. dirhtml to make HTML files named index.html in directories
echo. singlehtml to make a single large HTML file
echo. pickle to make pickle files
echo. json to make JSON files
echo. htmlhelp to make HTML files and a HTML help project
echo. qthelp to make HTML files and a qthelp project
echo. devhelp to make HTML files and a Devhelp project
echo. epub to make an epub
echo. latex to make LaTeX files, you can set PAPER=a4 or PAPER=letter
echo. text to make text files
echo. man to make manual pages
echo. texinfo to make Texinfo files
echo. gettext to make PO message catalogs
echo. changes to make an overview over all changed/added/deprecated items
echo. xml to make Docutils-native XML files
echo. pseudoxml to make pseudoxml-XML files for display purposes
echo. linkcheck to check all external links for integrity
echo. doctest to run all doctests embedded in the documentation if enabled
goto end
)
if "%1" == "clean" (
for /d %%i in (%BUILDDIR%\*) do rmdir /q /s %%i
del /q /s %BUILDDIR%\*
goto end
)
%SPHINXBUILD% 2> nul
if errorlevel 9009 (
echo.
echo.The 'sphinx-build' command was not found. Make sure you have Sphinx
echo.installed, then set the SPHINXBUILD environment variable to point
echo.to the full path of the 'sphinx-build' executable. Alternatively you
echo.may add the Sphinx directory to PATH.
echo.
echo.If you don't have Sphinx installed, grab it from
echo.http://sphinx-doc.org/
exit /b 1
)
if "%1" == "html" (
%SPHINXBUILD% -b html %ALLSPHINXOPTS% %BUILDDIR%/html
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The HTML pages are in %BUILDDIR%/html.
goto end
)
if "%1" == "dirhtml" (
%SPHINXBUILD% -b dirhtml %ALLSPHINXOPTS% %BUILDDIR%/dirhtml
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The HTML pages are in %BUILDDIR%/dirhtml.
goto end
)
if "%1" == "singlehtml" (
%SPHINXBUILD% -b singlehtml %ALLSPHINXOPTS% %BUILDDIR%/singlehtml
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The HTML pages are in %BUILDDIR%/singlehtml.
goto end
)
if "%1" == "pickle" (
%SPHINXBUILD% -b pickle %ALLSPHINXOPTS% %BUILDDIR%/pickle
if errorlevel 1 exit /b 1
echo.
echo.Build finished; now you can process the pickle files.
goto end
)
if "%1" == "json" (
%SPHINXBUILD% -b json %ALLSPHINXOPTS% %BUILDDIR%/json
if errorlevel 1 exit /b 1
echo.
echo.Build finished; now you can process the JSON files.
goto end
)
if "%1" == "htmlhelp" (
%SPHINXBUILD% -b htmlhelp %ALLSPHINXOPTS% %BUILDDIR%/htmlhelp
if errorlevel 1 exit /b 1
echo.
echo.Build finished; now you can run HTML Help Workshop with the ^
.hhp project file in %BUILDDIR%/htmlhelp.
goto end
)
if "%1" == "qthelp" (
%SPHINXBUILD% -b qthelp %ALLSPHINXOPTS% %BUILDDIR%/qthelp
if errorlevel 1 exit /b 1
echo.
echo.Build finished; now you can run "qcollectiongenerator" with the ^
.qhcp project file in %BUILDDIR%/qthelp, like this:
echo.^> qcollectiongenerator %BUILDDIR%\qthelp\libuv.qhcp
echo.To view the help file:
echo.^> assistant -collectionFile %BUILDDIR%\qthelp\libuv.ghc
goto end
)
if "%1" == "devhelp" (
%SPHINXBUILD% -b devhelp %ALLSPHINXOPTS% %BUILDDIR%/devhelp
if errorlevel 1 exit /b 1
echo.
echo.Build finished.
goto end
)
if "%1" == "epub" (
%SPHINXBUILD% -b epub %ALLSPHINXOPTS% %BUILDDIR%/epub
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The epub file is in %BUILDDIR%/epub.
goto end
)
if "%1" == "latex" (
%SPHINXBUILD% -b latex %ALLSPHINXOPTS% %BUILDDIR%/latex
if errorlevel 1 exit /b 1
echo.
echo.Build finished; the LaTeX files are in %BUILDDIR%/latex.
goto end
)
if "%1" == "latexpdf" (
%SPHINXBUILD% -b latex %ALLSPHINXOPTS% %BUILDDIR%/latex
cd %BUILDDIR%/latex
make all-pdf
cd %BUILDDIR%/..
echo.
echo.Build finished; the PDF files are in %BUILDDIR%/latex.
goto end
)
if "%1" == "latexpdfja" (
%SPHINXBUILD% -b latex %ALLSPHINXOPTS% %BUILDDIR%/latex
cd %BUILDDIR%/latex
make all-pdf-ja
cd %BUILDDIR%/..
echo.
echo.Build finished; the PDF files are in %BUILDDIR%/latex.
goto end
)
if "%1" == "text" (
%SPHINXBUILD% -b text %ALLSPHINXOPTS% %BUILDDIR%/text
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The text files are in %BUILDDIR%/text.
goto end
)
if "%1" == "man" (
%SPHINXBUILD% -b man %ALLSPHINXOPTS% %BUILDDIR%/man
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The manual pages are in %BUILDDIR%/man.
goto end
)
if "%1" == "texinfo" (
%SPHINXBUILD% -b texinfo %ALLSPHINXOPTS% %BUILDDIR%/texinfo
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The Texinfo files are in %BUILDDIR%/texinfo.
goto end
)
if "%1" == "gettext" (
%SPHINXBUILD% -b gettext %I18NSPHINXOPTS% %BUILDDIR%/locale
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The message catalogs are in %BUILDDIR%/locale.
goto end
)
if "%1" == "changes" (
%SPHINXBUILD% -b changes %ALLSPHINXOPTS% %BUILDDIR%/changes
if errorlevel 1 exit /b 1
echo.
echo.The overview file is in %BUILDDIR%/changes.
goto end
)
if "%1" == "linkcheck" (
%SPHINXBUILD% -b linkcheck %ALLSPHINXOPTS% %BUILDDIR%/linkcheck
if errorlevel 1 exit /b 1
echo.
echo.Link check complete; look for any errors in the above output ^
or in %BUILDDIR%/linkcheck/output.txt.
goto end
)
if "%1" == "doctest" (
%SPHINXBUILD% -b doctest %ALLSPHINXOPTS% %BUILDDIR%/doctest
if errorlevel 1 exit /b 1
echo.
echo.Testing of doctests in the sources finished, look at the ^
results in %BUILDDIR%/doctest/output.txt.
goto end
)
if "%1" == "xml" (
%SPHINXBUILD% -b xml %ALLSPHINXOPTS% %BUILDDIR%/xml
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The XML files are in %BUILDDIR%/xml.
goto end
)
if "%1" == "pseudoxml" (
%SPHINXBUILD% -b pseudoxml %ALLSPHINXOPTS% %BUILDDIR%/pseudoxml
if errorlevel 1 exit /b 1
echo.
echo.Build finished. The pseudo-XML files are in %BUILDDIR%/pseudoxml.
goto end
)
:end

36
deps/libuv/docs/src/api.rst vendored Normal file
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.. _api:
API documentation
=================
.. toctree::
:maxdepth: 1
errors
version
loop
handle
request
timer
prepare
check
idle
async
poll
signal
process
stream
tcp
pipe
tty
udp
fs_event
fs_poll
fs
threadpool
dns
dll
threading
misc
metrics

65
deps/libuv/docs/src/async.rst vendored Normal file
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.. _async:
:c:type:`uv_async_t` --- Async handle
=====================================
Async handles allow the user to "wakeup" the event loop and get a callback
called from another thread.
Data types
----------
.. c:type:: uv_async_t
Async handle type.
.. c:type:: void (*uv_async_cb)(uv_async_t* handle)
Type definition for callback passed to :c:func:`uv_async_init`.
Public members
^^^^^^^^^^^^^^
N/A
.. seealso:: The :c:type:`uv_handle_t` members also apply.
API
---
.. c:function:: int uv_async_init(uv_loop_t* loop, uv_async_t* async, uv_async_cb async_cb)
Initialize the handle. A NULL callback is allowed.
:returns: 0 on success, or an error code < 0 on failure.
.. note::
Unlike other handle initialization functions, it immediately starts the handle.
.. c:function:: int uv_async_send(uv_async_t* async)
Wake up the event loop and call the async handle's callback.
:returns: 0 on success, or an error code < 0 on failure.
.. note::
It's safe to call this function from any thread. The callback will be called on the
loop thread.
.. note::
:c:func:`uv_async_send` is `async-signal-safe <https://man7.org/linux/man-pages/man7/signal-safety.7.html>`_.
It's safe to call this function from a signal handler.
.. warning::
libuv will coalesce calls to :c:func:`uv_async_send`, that is, not every call to it will
yield an execution of the callback. For example: if :c:func:`uv_async_send` is called 5
times in a row before the callback is called, the callback will only be called once. If
:c:func:`uv_async_send` is called again after the callback was called, it will be called
again.
.. seealso::
The :c:type:`uv_handle_t` API functions also apply.

54
deps/libuv/docs/src/check.rst vendored Normal file
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.. _check:
:c:type:`uv_check_t` --- Check handle
=====================================
Check handles will run the given callback once per loop iteration, right
after polling for i/o.
Data types
----------
.. c:type:: uv_check_t
Check handle type.
.. c:type:: void (*uv_check_cb)(uv_check_t* handle)
Type definition for callback passed to :c:func:`uv_check_start`.
Public members
^^^^^^^^^^^^^^
N/A
.. seealso:: The :c:type:`uv_handle_t` members also apply.
API
---
.. c:function:: int uv_check_init(uv_loop_t* loop, uv_check_t* check)
Initialize the handle. This function always succeeds.
:returns: 0
.. c:function:: int uv_check_start(uv_check_t* check, uv_check_cb cb)
Start the handle with the given callback. This function always succeeds,
except when `cb` is `NULL`.
:returns: 0 on success, or `UV_EINVAL` when `cb == NULL`.
.. c:function:: int uv_check_stop(uv_check_t* check)
Stop the handle, the callback will no longer be called.
This function always succeeds.
:returns: 0
.. seealso:: The :c:type:`uv_handle_t` API functions also apply.

348
deps/libuv/docs/src/conf.py vendored Normal file
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# -*- coding: utf-8 -*-
#
# libuv documentation documentation build configuration file, created by
# sphinx-quickstart on Sun Jul 27 11:47:51 2014.
#
# This file is execfile()d with the current directory set to its
# containing dir.
#
# Note that not all possible configuration values are present in this
# autogenerated file.
#
# All configuration values have a default; values that are commented out
# serve to show the default.
import os
import re
import sys
def get_libuv_version():
with open('../../include/uv/version.h') as f:
data = f.read()
try:
m = re.search(r"""^#define UV_VERSION_MAJOR (\d+)$""", data, re.MULTILINE)
major = int(m.group(1))
m = re.search(r"""^#define UV_VERSION_MINOR (\d+)$""", data, re.MULTILINE)
minor = int(m.group(1))
m = re.search(r"""^#define UV_VERSION_PATCH (\d+)$""", data, re.MULTILINE)
patch = int(m.group(1))
m = re.search(r"""^#define UV_VERSION_IS_RELEASE (\d)$""", data, re.MULTILINE)
is_release = int(m.group(1))
m = re.search(r"""^#define UV_VERSION_SUFFIX \"(\w*)\"$""", data, re.MULTILINE)
suffix = m.group(1)
return '%d.%d.%d%s' % (major, minor, patch, '-%s' % suffix if not is_release else '')
except Exception:
return 'unknown'
# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute, like shown here.
sys.path.insert(0, os.path.abspath('sphinx-plugins'))
# -- General configuration ------------------------------------------------
# If your documentation needs a minimal Sphinx version, state it here.
#needs_sphinx = '1.0'
# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = ['manpage']
# Add any paths that contain templates here, relative to this directory.
templates_path = ['templates']
# The suffix of source filenames.
source_suffix = '.rst'
# The encoding of source files.
#source_encoding = 'utf-8-sig'
# The master toctree document.
master_doc = 'index'
# General information about the project.
project = u'libuv API documentation'
copyright = u'2014-present, libuv contributors'
# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.
#
# The short X.Y version.
version = get_libuv_version()
# The full version, including alpha/beta/rc tags.
release = version
# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#language = None
# There are two options for replacing |today|: either, you set today to some
# non-false value, then it is used:
#today = ''
# Else, today_fmt is used as the format for a strftime call.
#today_fmt = '%B %d, %Y'
# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
exclude_patterns = []
# The reST default role (used for this markup: `text`) to use for all
# documents.
#default_role = None
# If true, '()' will be appended to :func: etc. cross-reference text.
#add_function_parentheses = True
# If true, the current module name will be prepended to all description
# unit titles (such as .. function::).
#add_module_names = True
# If true, sectionauthor and moduleauthor directives will be shown in the
# output. They are ignored by default.
#show_authors = False
# The name of the Pygments (syntax highlighting) style to use.
pygments_style = 'sphinx'
# A list of ignored prefixes for module index sorting.
#modindex_common_prefix = []
# If true, keep warnings as "system message" paragraphs in the built documents.
#keep_warnings = False
# -- Options for HTML output ----------------------------------------------
# The theme to use for HTML and HTML Help pages. See the documentation for
# a list of builtin themes.
html_theme = 'nature'
# Theme options are theme-specific and customize the look and feel of a theme
# further. For a list of options available for each theme, see the
# documentation.
#html_theme_options = {}
# Add any paths that contain custom themes here, relative to this directory.
#html_theme_path = []
# The name for this set of Sphinx documents. If None, it defaults to
# "<project> v<release> documentation".
html_title = 'libuv documentation'
# A shorter title for the navigation bar. Default is the same as html_title.
html_short_title = 'libuv %s documentation' % version
# The name of an image file (relative to this directory) to place at the top
# of the sidebar.
html_logo = 'static/logo.png'
# The name of an image file (within the static path) to use as favicon of the
# docs. This file should be a Windows icon file (.ico) being 16x16 or 32x32
# pixels large.
html_favicon = 'static/favicon.ico'
# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ['static']
# Add any extra paths that contain custom files (such as robots.txt or
# .htaccess) here, relative to this directory. These files are copied
# directly to the root of the documentation.
#html_extra_path = []
# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
# using the given strftime format.
#html_last_updated_fmt = '%b %d, %Y'
# If true, SmartyPants will be used to convert quotes and dashes to
# typographically correct entities.
#html_use_smartypants = True
# Custom sidebar templates, maps document names to template names.
#html_sidebars = {}
# Additional templates that should be rendered to pages, maps page names to
# template names.
#html_additional_pages = {}
# If false, no module index is generated.
#html_domain_indices = True
# If false, no index is generated.
#html_use_index = True
# If true, the index is split into individual pages for each letter.
#html_split_index = False
# If true, links to the reST sources are added to the pages.
#html_show_sourcelink = True
# If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
#html_show_sphinx = True
# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
#html_show_copyright = True
# If true, an OpenSearch description file will be output, and all pages will
# contain a <link> tag referring to it. The value of this option must be the
# base URL from which the finished HTML is served.
#html_use_opensearch = ''
# This is the file name suffix for HTML files (e.g. ".xhtml").
#html_file_suffix = None
# Output file base name for HTML help builder.
htmlhelp_basename = 'libuv'
# -- Options for LaTeX output ---------------------------------------------
latex_elements = {
# The paper size ('letterpaper' or 'a4paper').
#'papersize': 'letterpaper',
# The font size ('10pt', '11pt' or '12pt').
#'pointsize': '10pt',
# Additional stuff for the LaTeX preamble.
#'preamble': '',
}
# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title,
# author, documentclass [howto, manual, or own class]).
latex_documents = [
('index', 'libuv.tex', u'libuv documentation',
u'libuv contributors', 'manual'),
]
# The name of an image file (relative to this directory) to place at the top of
# the title page.
#latex_logo = None
# For "manual" documents, if this is true, then toplevel headings are parts,
# not chapters.
#latex_use_parts = False
# If true, show page references after internal links.
#latex_show_pagerefs = False
# If true, show URL addresses after external links.
#latex_show_urls = False
# Documents to append as an appendix to all manuals.
#latex_appendices = []
# If false, no module index is generated.
#latex_domain_indices = True
# -- Options for manual page output ---------------------------------------
# One entry per manual page. List of tuples
# (source start file, name, description, authors, manual section).
man_pages = [
('index', 'libuv', u'libuv documentation',
[u'libuv contributors'], 1)
]
# If true, show URL addresses after external links.
#man_show_urls = False
# -- Options for Texinfo output -------------------------------------------
# Grouping the document tree into Texinfo files. List of tuples
# (source start file, target name, title, author,
# dir menu entry, description, category)
texinfo_documents = [
('index', 'libuv', u'libuv documentation',
u'libuv contributors', 'libuv', 'Cross-platform asynchronous I/O',
'Miscellaneous'),
]
# Documents to append as an appendix to all manuals.
#texinfo_appendices = []
# If false, no module index is generated.
#texinfo_domain_indices = True
# How to display URL addresses: 'footnote', 'no', or 'inline'.
#texinfo_show_urls = 'footnote'
# If true, do not generate a @detailmenu in the "Top" node's menu.
#texinfo_no_detailmenu = False
# -- Options for Epub output ----------------------------------------------
# Bibliographic Dublin Core info.
epub_title = u'libuv documentation'
epub_author = u'libuv contributors'
epub_publisher = u'libuv contributors'
epub_copyright = u'2014-present, libuv contributors'
# The basename for the epub file. It defaults to the project name.
epub_basename = u'libuv'
# The HTML theme for the epub output. Since the default themes are not optimized
# for small screen space, using the same theme for HTML and epub output is
# usually not wise. This defaults to 'epub', a theme designed to save visual
# space.
#epub_theme = 'epub'
# The language of the text. It defaults to the language option
# or en if the language is not set.
#epub_language = ''
# The scheme of the identifier. Typical schemes are ISBN or URL.
#epub_scheme = ''
# The unique identifier of the text. This can be a ISBN number
# or the project homepage.
#epub_identifier = ''
# A unique identification for the text.
#epub_uid = ''
# A tuple containing the cover image and cover page html template filenames.
#epub_cover = ()
# A sequence of (type, uri, title) tuples for the guide element of content.opf.
#epub_guide = ()
# HTML files that should be inserted before the pages created by sphinx.
# The format is a list of tuples containing the path and title.
#epub_pre_files = []
# HTML files shat should be inserted after the pages created by sphinx.
# The format is a list of tuples containing the path and title.
#epub_post_files = []
# A list of files that should not be packed into the epub file.
epub_exclude_files = ['search.html']
# The depth of the table of contents in toc.ncx.
#epub_tocdepth = 3
# Allow duplicate toc entries.
#epub_tocdup = True
# Choose between 'default' and 'includehidden'.
#epub_tocscope = 'default'
# Fix unsupported image types using the PIL.
#epub_fix_images = False
# Scale large images.
#epub_max_image_width = 0
# How to display URL addresses: 'footnote', 'no', or 'inline'.
#epub_show_urls = 'inline'
# If false, no index is generated.
#epub_use_index = True

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.. _design:
Design overview
===============
libuv is cross-platform support library which was originally written for `Node.js`_. It's designed
around the event-driven asynchronous I/O model.
.. _Node.js: https://nodejs.org
The library provides much more than a simple abstraction over different I/O polling mechanisms:
'handles' and 'streams' provide a high level abstraction for sockets and other entities;
cross-platform file I/O and threading functionality is also provided, amongst other things.
Here is a diagram illustrating the different parts that compose libuv and what subsystem they
relate to:
.. image:: static/architecture.png
:scale: 75%
:align: center
Handles and requests
^^^^^^^^^^^^^^^^^^^^
libuv provides users with 2 abstractions to work with, in combination with the event loop:
handles and requests.
Handles represent long-lived objects capable of performing certain operations while active. Some examples:
- A prepare handle gets its callback called once every loop iteration when active.
- A TCP server handle that gets its connection callback called every time there is a new connection.
Requests represent (typically) short-lived operations. These operations can be performed over a
handle: write requests are used to write data on a handle; or standalone: getaddrinfo requests
don't need a handle they run directly on the loop.
The I/O loop
^^^^^^^^^^^^
The I/O (or event) loop is the central part of libuv. It establishes the content for all I/O
operations, and it's meant to be tied to a single thread. One can run multiple event loops
as long as each runs in a different thread. The libuv event loop (or any other API involving
the loop or handles, for that matter) **is not thread-safe** except where stated otherwise.
The event loop follows the rather usual single threaded asynchronous I/O approach: all (network)
I/O is performed on non-blocking sockets which are polled using the best mechanism available
on the given platform: epoll on Linux, kqueue on OSX and other BSDs, event ports on SunOS and IOCP
on Windows. As part of a loop iteration the loop will block waiting for I/O activity on sockets
which have been added to the poller and callbacks will be fired indicating socket conditions
(readable, writable hangup) so handles can read, write or perform the desired I/O operation.
In order to better understand how the event loop operates, the following diagram illustrates all
stages of a loop iteration:
.. image:: static/loop_iteration.png
:scale: 75%
:align: center
#. The loop concept of 'now' is updated. The event loop caches the current time at the start of
the event loop tick in order to reduce the number of time-related system calls.
#. If the loop is *alive* an iteration is started, otherwise the loop will exit immediately. So,
when is a loop considered to be *alive*? If a loop has active and ref'd handles, active
requests or closing handles it's considered to be *alive*.
#. Due timers are run. All active timers scheduled for a time before the loop's concept of *now*
get their callbacks called.
#. Pending callbacks are called. All I/O callbacks are called right after polling for I/O, for the
most part. There are cases, however, in which calling such a callback is deferred for the next
loop iteration. If the previous iteration deferred any I/O callback it will be run at this point.
#. Idle handle callbacks are called. Despite the unfortunate name, idle handles are run on every
loop iteration, if they are active.
#. Prepare handle callbacks are called. Prepare handles get their callbacks called right before
the loop will block for I/O.
#. Poll timeout is calculated. Before blocking for I/O the loop calculates for how long it should
block. These are the rules when calculating the timeout:
* If the loop was run with the ``UV_RUN_NOWAIT`` flag, the timeout is 0.
* If the loop is going to be stopped (:c:func:`uv_stop` was called), the timeout is 0.
* If there are no active handles or requests, the timeout is 0.
* If there are any idle handles active, the timeout is 0.
* If there are any handles pending to be closed, the timeout is 0.
* If none of the above cases matches, the timeout of the closest timer is taken, or
if there are no active timers, infinity.
#. The loop blocks for I/O. At this point the loop will block for I/O for the duration calculated
in the previous step. All I/O related handles that were monitoring a given file descriptor
for a read or write operation get their callbacks called at this point.
#. Check handle callbacks are called. Check handles get their callbacks called right after the
loop has blocked for I/O. Check handles are essentially the counterpart of prepare handles.
#. Close callbacks are called. If a handle was closed by calling :c:func:`uv_close` it will
get the close callback called.
#. Special case in case the loop was run with ``UV_RUN_ONCE``, as it implies forward progress.
It's possible that no I/O callbacks were fired after blocking for I/O, but some time has passed
so there might be timers which are due, those timers get their callbacks called.
#. Iteration ends. If the loop was run with ``UV_RUN_NOWAIT`` or ``UV_RUN_ONCE`` modes the
iteration ends and :c:func:`uv_run` will return. If the loop was run with ``UV_RUN_DEFAULT``
it will continue from the start if it's still *alive*, otherwise it will also end.
.. important::
libuv uses a thread pool to make asynchronous file I/O operations possible, but
network I/O is **always** performed in a single thread, each loop's thread.
.. note::
While the polling mechanism is different, libuv makes the execution model consistent
across Unix systems and Windows.
File I/O
^^^^^^^^
Unlike network I/O, there are no platform-specific file I/O primitives libuv could rely on,
so the current approach is to run blocking file I/O operations in a thread pool.
For a thorough explanation of the cross-platform file I/O landscape, checkout
`this post <https://blog.libtorrent.org/2012/10/asynchronous-disk-io/>`_.
libuv currently uses a global thread pool on which all loops can queue work. 3 types of
operations are currently run on this pool:
* File system operations
* DNS functions (getaddrinfo and getnameinfo)
* User specified code via :c:func:`uv_queue_work`
.. warning::
See the :c:ref:`threadpool` section for more details, but keep in mind the thread pool size
is quite limited.

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.. _dll:
Shared library handling
=======================
libuv provides cross platform utilities for loading shared libraries and
retrieving symbols from them, using the following API.
Data types
----------
.. c:type:: uv_lib_t
Shared library data type.
Public members
^^^^^^^^^^^^^^
N/A
API
---
.. c:function:: int uv_dlopen(const char* filename, uv_lib_t* lib)
Opens a shared library. The filename is in utf-8. Returns 0 on success and
-1 on error. Call :c:func:`uv_dlerror` to get the error message.
.. c:function:: void uv_dlclose(uv_lib_t* lib)
Close the shared library.
.. c:function:: int uv_dlsym(uv_lib_t* lib, const char* name, void** ptr)
Retrieves a data pointer from a dynamic library. It is legal for a symbol
to map to NULL. Returns 0 on success and -1 if the symbol was not found.
.. c:function:: const char* uv_dlerror(const uv_lib_t* lib)
Returns the last uv_dlopen() or uv_dlsym() error message.

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.. _dns:
DNS utility functions
=====================
libuv provides asynchronous variants of `getaddrinfo` and `getnameinfo`.
Data types
----------
.. c:type:: uv_getaddrinfo_t
`getaddrinfo` request type.
.. c:type:: void (*uv_getaddrinfo_cb)(uv_getaddrinfo_t* req, int status, struct addrinfo* res)
Callback which will be called with the getaddrinfo request result once
complete. In case it was cancelled, `status` will have a value of
``UV_ECANCELED``.
.. c:type:: uv_getnameinfo_t
`getnameinfo` request type.
.. c:type:: void (*uv_getnameinfo_cb)(uv_getnameinfo_t* req, int status, const char* hostname, const char* service)
Callback which will be called with the getnameinfo request result once
complete. In case it was cancelled, `status` will have a value of
``UV_ECANCELED``.
Public members
^^^^^^^^^^^^^^
.. c:member:: uv_loop_t* uv_getaddrinfo_t.loop
Loop that started this getaddrinfo request and where completion will be
reported. Readonly.
.. c:member:: struct addrinfo* uv_getaddrinfo_t.addrinfo
Pointer to a `struct addrinfo` containing the result. Must be freed by the user
with :c:func:`uv_freeaddrinfo`.
.. versionchanged:: 1.3.0 the field is declared as public.
.. c:member:: uv_loop_t* uv_getnameinfo_t.loop
Loop that started this getnameinfo request and where completion will be
reported. Readonly.
.. c:member:: char[NI_MAXHOST] uv_getnameinfo_t.host
Char array containing the resulting host. It's null terminated.
.. versionchanged:: 1.3.0 the field is declared as public.
.. c:member:: char[NI_MAXSERV] uv_getnameinfo_t.service
Char array containing the resulting service. It's null terminated.
.. versionchanged:: 1.3.0 the field is declared as public.
.. seealso:: The :c:type:`uv_req_t` members also apply.
API
---
.. c:function:: int uv_getaddrinfo(uv_loop_t* loop, uv_getaddrinfo_t* req, uv_getaddrinfo_cb getaddrinfo_cb, const char* node, const char* service, const struct addrinfo* hints)
Asynchronous :man:`getaddrinfo(3)`.
Either node or service may be NULL but not both.
`hints` is a pointer to a struct addrinfo with additional address type
constraints, or NULL. Consult `man -s 3 getaddrinfo` for more details.
Returns 0 on success or an error code < 0 on failure. If successful, the
callback will get called sometime in the future with the lookup result,
which is either:
* status == 0, the res argument points to a valid `struct addrinfo`, or
* status < 0, the res argument is NULL. See the UV_EAI_* constants.
Call :c:func:`uv_freeaddrinfo` to free the addrinfo structure.
.. versionchanged:: 1.3.0 the callback parameter is now allowed to be NULL,
in which case the request will run **synchronously**.
.. c:function:: void uv_freeaddrinfo(struct addrinfo* ai)
Free the struct addrinfo. Passing NULL is allowed and is a no-op.
.. c:function:: int uv_getnameinfo(uv_loop_t* loop, uv_getnameinfo_t* req, uv_getnameinfo_cb getnameinfo_cb, const struct sockaddr* addr, int flags)
Asynchronous :man:`getnameinfo(3)`.
Returns 0 on success or an error code < 0 on failure. If successful, the
callback will get called sometime in the future with the lookup result.
Consult `man -s 3 getnameinfo` for more details.
.. versionchanged:: 1.3.0 the callback parameter is now allowed to be NULL,
in which case the request will run **synchronously**.
.. seealso:: The :c:type:`uv_req_t` API functions also apply.

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.. _errors:
Error handling
==============
In libuv errors are negative numbered constants. As a rule of thumb, whenever
there is a status parameter, or an API functions returns an integer, a negative
number will imply an error.
When a function which takes a callback returns an error, the callback will never
be called.
.. note::
Implementation detail: on Unix error codes are the negated `errno` (or `-errno`), while on
Windows they are defined by libuv to arbitrary negative numbers.
Error constants
---------------
.. c:macro:: UV_E2BIG
argument list too long
.. c:macro:: UV_EACCES
permission denied
.. c:macro:: UV_EADDRINUSE
address already in use
.. c:macro:: UV_EADDRNOTAVAIL
address not available
.. c:macro:: UV_EAFNOSUPPORT
address family not supported
.. c:macro:: UV_EAGAIN
resource temporarily unavailable
.. c:macro:: UV_EAI_ADDRFAMILY
address family not supported
.. c:macro:: UV_EAI_AGAIN
temporary failure
.. c:macro:: UV_EAI_BADFLAGS
bad ai_flags value
.. c:macro:: UV_EAI_BADHINTS
invalid value for hints
.. c:macro:: UV_EAI_CANCELED
request canceled
.. c:macro:: UV_EAI_FAIL
permanent failure
.. c:macro:: UV_EAI_FAMILY
ai_family not supported
.. c:macro:: UV_EAI_MEMORY
out of memory
.. c:macro:: UV_EAI_NODATA
no address
.. c:macro:: UV_EAI_NONAME
unknown node or service
.. c:macro:: UV_EAI_OVERFLOW
argument buffer overflow
.. c:macro:: UV_EAI_PROTOCOL
resolved protocol is unknown
.. c:macro:: UV_EAI_SERVICE
service not available for socket type
.. c:macro:: UV_EAI_SOCKTYPE
socket type not supported
.. c:macro:: UV_EALREADY
connection already in progress
.. c:macro:: UV_EBADF
bad file descriptor
.. c:macro:: UV_EBUSY
resource busy or locked
.. c:macro:: UV_ECANCELED
operation canceled
.. c:macro:: UV_ECHARSET
invalid Unicode character
.. c:macro:: UV_ECONNABORTED
software caused connection abort
.. c:macro:: UV_ECONNREFUSED
connection refused
.. c:macro:: UV_ECONNRESET
connection reset by peer
.. c:macro:: UV_EDESTADDRREQ
destination address required
.. c:macro:: UV_EEXIST
file already exists
.. c:macro:: UV_EFAULT
bad address in system call argument
.. c:macro:: UV_EFBIG
file too large
.. c:macro:: UV_EHOSTUNREACH
host is unreachable
.. c:macro:: UV_EINTR
interrupted system call
.. c:macro:: UV_EINVAL
invalid argument
.. c:macro:: UV_EIO
i/o error
.. c:macro:: UV_EISCONN
socket is already connected
.. c:macro:: UV_EISDIR
illegal operation on a directory
.. c:macro:: UV_ELOOP
too many symbolic links encountered
.. c:macro:: UV_EMFILE
too many open files
.. c:macro:: UV_EMSGSIZE
message too long
.. c:macro:: UV_ENAMETOOLONG
name too long
.. c:macro:: UV_ENETDOWN
network is down
.. c:macro:: UV_ENETUNREACH
network is unreachable
.. c:macro:: UV_ENFILE
file table overflow
.. c:macro:: UV_ENOBUFS
no buffer space available
.. c:macro:: UV_ENODEV
no such device
.. c:macro:: UV_ENOENT
no such file or directory
.. c:macro:: UV_ENOMEM
not enough memory
.. c:macro:: UV_ENONET
machine is not on the network
.. c:macro:: UV_ENOPROTOOPT
protocol not available
.. c:macro:: UV_ENOSPC
no space left on device
.. c:macro:: UV_ENOSYS
function not implemented
.. c:macro:: UV_ENOTCONN
socket is not connected
.. c:macro:: UV_ENOTDIR
not a directory
.. c:macro:: UV_ENOTEMPTY
directory not empty
.. c:macro:: UV_ENOTSOCK
socket operation on non-socket
.. c:macro:: UV_ENOTSUP
operation not supported on socket
.. c:macro:: UV_EPERM
operation not permitted
.. c:macro:: UV_EPIPE
broken pipe
.. c:macro:: UV_EPROTO
protocol error
.. c:macro:: UV_EPROTONOSUPPORT
protocol not supported
.. c:macro:: UV_EPROTOTYPE
protocol wrong type for socket
.. c:macro:: UV_ERANGE
result too large
.. c:macro:: UV_EROFS
read-only file system
.. c:macro:: UV_ESHUTDOWN
cannot send after transport endpoint shutdown
.. c:macro:: UV_ESPIPE
invalid seek
.. c:macro:: UV_ESRCH
no such process
.. c:macro:: UV_ETIMEDOUT
connection timed out
.. c:macro:: UV_ETXTBSY
text file is busy
.. c:macro:: UV_EXDEV
cross-device link not permitted
.. c:macro:: UV_UNKNOWN
unknown error
.. c:macro:: UV_EOF
end of file
.. c:macro:: UV_ENXIO
no such device or address
.. c:macro:: UV_EMLINK
too many links
.. c:macro:: UV_ENOTTY
inappropriate ioctl for device
.. c:macro:: UV_EFTYPE
inappropriate file type or format
.. c:macro:: UV_EILSEQ
illegal byte sequence
API
---
.. c:macro:: UV_ERRNO_MAP(iter_macro)
Macro that expands to a series of invocations of `iter_macro` for
each of the error constants above. `iter_macro` is invoked with two
arguments: the name of the error constant without the `UV_` prefix,
and the error message string literal.
.. c:function:: const char* uv_strerror(int err)
Returns the error message for the given error code. Leaks a few bytes
of memory when you call it with an unknown error code.
.. c:function:: char* uv_strerror_r(int err, char* buf, size_t buflen)
Returns the error message for the given error code. The zero-terminated
message is stored in the user-supplied buffer `buf` of at most `buflen` bytes.
.. versionadded:: 1.22.0
.. c:function:: const char* uv_err_name(int err)
Returns the error name for the given error code. Leaks a few bytes
of memory when you call it with an unknown error code.
.. c:function:: char* uv_err_name_r(int err, char* buf, size_t buflen)
Returns the error name for the given error code. The zero-terminated
name is stored in the user-supplied buffer `buf` of at most `buflen` bytes.
.. versionadded:: 1.22.0
.. c:function:: int uv_translate_sys_error(int sys_errno)
Returns the libuv error code equivalent to the given platform dependent error
code: POSIX error codes on Unix (the ones stored in `errno`), and Win32 error
codes on Windows (those returned by `GetLastError()` or `WSAGetLastError()`).
If `sys_errno` is already a libuv error, it is simply returned.
.. versionchanged:: 1.10.0 function declared public.

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.. _fs:
File system operations
======================
libuv provides a wide variety of cross-platform sync and async file system
operations. All functions defined in this document take a callback, which is
allowed to be NULL. If the callback is NULL the request is completed synchronously,
otherwise it will be performed asynchronously.
All file operations are run on the threadpool. See :ref:`threadpool` for information
on the threadpool size.
.. note::
On Windows `uv_fs_*` functions use utf-8 encoding.
Data types
----------
.. c:type:: uv_fs_t
File system request type.
.. c:type:: uv_timespec_t
Portable equivalent of ``struct timespec``.
::
typedef struct {
long tv_sec;
long tv_nsec;
} uv_timespec_t;
.. c:type:: uv_stat_t
Portable equivalent of ``struct stat``.
::
typedef struct {
uint64_t st_dev;
uint64_t st_mode;
uint64_t st_nlink;
uint64_t st_uid;
uint64_t st_gid;
uint64_t st_rdev;
uint64_t st_ino;
uint64_t st_size;
uint64_t st_blksize;
uint64_t st_blocks;
uint64_t st_flags;
uint64_t st_gen;
uv_timespec_t st_atim;
uv_timespec_t st_mtim;
uv_timespec_t st_ctim;
uv_timespec_t st_birthtim;
} uv_stat_t;
.. c:enum:: uv_fs_type
File system request type.
::
typedef enum {
UV_FS_UNKNOWN = -1,
UV_FS_CUSTOM,
UV_FS_OPEN,
UV_FS_CLOSE,
UV_FS_READ,
UV_FS_WRITE,
UV_FS_SENDFILE,
UV_FS_STAT,
UV_FS_LSTAT,
UV_FS_FSTAT,
UV_FS_FTRUNCATE,
UV_FS_UTIME,
UV_FS_FUTIME,
UV_FS_ACCESS,
UV_FS_CHMOD,
UV_FS_FCHMOD,
UV_FS_FSYNC,
UV_FS_FDATASYNC,
UV_FS_UNLINK,
UV_FS_RMDIR,
UV_FS_MKDIR,
UV_FS_MKDTEMP,
UV_FS_RENAME,
UV_FS_SCANDIR,
UV_FS_LINK,
UV_FS_SYMLINK,
UV_FS_READLINK,
UV_FS_CHOWN,
UV_FS_FCHOWN,
UV_FS_REALPATH,
UV_FS_COPYFILE,
UV_FS_LCHOWN,
UV_FS_OPENDIR,
UV_FS_READDIR,
UV_FS_CLOSEDIR,
UV_FS_MKSTEMP,
UV_FS_LUTIME
} uv_fs_type;
.. c:type:: uv_statfs_t
Reduced cross platform equivalent of ``struct statfs``.
Used in :c:func:`uv_fs_statfs`.
::
typedef struct uv_statfs_s {
uint64_t f_type;
uint64_t f_bsize;
uint64_t f_blocks;
uint64_t f_bfree;
uint64_t f_bavail;
uint64_t f_files;
uint64_t f_ffree;
uint64_t f_spare[4];
} uv_statfs_t;
.. c:enum:: uv_dirent_t
Cross platform (reduced) equivalent of ``struct dirent``.
Used in :c:func:`uv_fs_scandir_next`.
::
typedef enum {
UV_DIRENT_UNKNOWN,
UV_DIRENT_FILE,
UV_DIRENT_DIR,
UV_DIRENT_LINK,
UV_DIRENT_FIFO,
UV_DIRENT_SOCKET,
UV_DIRENT_CHAR,
UV_DIRENT_BLOCK
} uv_dirent_type_t;
typedef struct uv_dirent_s {
const char* name;
uv_dirent_type_t type;
} uv_dirent_t;
.. c:type:: uv_dir_t
Data type used for streaming directory iteration.
Used by :c:func:`uv_fs_opendir()`, :c:func:`uv_fs_readdir()`, and
:c:func:`uv_fs_closedir()`. `dirents` represents a user provided array of
`uv_dirent_t`s used to hold results. `nentries` is the user provided maximum
array size of `dirents`.
::
typedef struct uv_dir_s {
uv_dirent_t* dirents;
size_t nentries;
} uv_dir_t;
Public members
^^^^^^^^^^^^^^
.. c:member:: uv_loop_t* uv_fs_t.loop
Loop that started this request and where completion will be reported.
Readonly.
.. c:member:: uv_fs_type uv_fs_t.fs_type
FS request type.
.. c:member:: const char* uv_fs_t.path
Path affecting the request.
.. c:member:: ssize_t uv_fs_t.result
Result of the request. < 0 means error, success otherwise. On requests such
as :c:func:`uv_fs_read` or :c:func:`uv_fs_write` it indicates the amount of
data that was read or written, respectively.
.. c:member:: uv_stat_t uv_fs_t.statbuf
Stores the result of :c:func:`uv_fs_stat` and other stat requests.
.. c:member:: void* uv_fs_t.ptr
Stores the result of :c:func:`uv_fs_readlink` and
:c:func:`uv_fs_realpath` and serves as an alias to `statbuf`.
.. seealso:: The :c:type:`uv_req_t` members also apply.
API
---
.. c:function:: void uv_fs_req_cleanup(uv_fs_t* req)
Cleanup request. Must be called after a request is finished to deallocate
any memory libuv might have allocated.
.. c:function:: int uv_fs_close(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb)
Equivalent to :man:`close(2)`.
.. c:function:: int uv_fs_open(uv_loop_t* loop, uv_fs_t* req, const char* path, int flags, int mode, uv_fs_cb cb)
Equivalent to :man:`open(2)`.
.. note::
On Windows libuv uses `CreateFileW` and thus the file is always opened
in binary mode. Because of this the O_BINARY and O_TEXT flags are not
supported.
.. c:function:: int uv_fs_read(uv_loop_t* loop, uv_fs_t* req, uv_file file, const uv_buf_t bufs[], unsigned int nbufs, int64_t offset, uv_fs_cb cb)
Equivalent to :man:`preadv(2)`.
.. warning::
On Windows, under non-MSVC environments (e.g. when GCC or Clang is used
to build libuv), files opened using ``UV_FS_O_FILEMAP`` may cause a fatal
crash if the memory mapped read operation fails.
.. c:function:: int uv_fs_unlink(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb)
Equivalent to :man:`unlink(2)`.
.. c:function:: int uv_fs_write(uv_loop_t* loop, uv_fs_t* req, uv_file file, const uv_buf_t bufs[], unsigned int nbufs, int64_t offset, uv_fs_cb cb)
Equivalent to :man:`pwritev(2)`.
.. warning::
On Windows, under non-MSVC environments (e.g. when GCC or Clang is used
to build libuv), files opened using ``UV_FS_O_FILEMAP`` may cause a fatal
crash if the memory mapped write operation fails.
.. c:function:: int uv_fs_mkdir(uv_loop_t* loop, uv_fs_t* req, const char* path, int mode, uv_fs_cb cb)
Equivalent to :man:`mkdir(2)`.
.. note::
`mode` is currently not implemented on Windows.
.. c:function:: int uv_fs_mkdtemp(uv_loop_t* loop, uv_fs_t* req, const char* tpl, uv_fs_cb cb)
Equivalent to :man:`mkdtemp(3)`. The result can be found as a null terminated string at `req->path`.
.. c:function:: int uv_fs_mkstemp(uv_loop_t* loop, uv_fs_t* req, const char* tpl, uv_fs_cb cb)
Equivalent to :man:`mkstemp(3)`. The created file path can be found as a null terminated string at `req->path`.
The file descriptor can be found as an integer at `req->result`.
.. versionadded:: 1.34.0
.. c:function:: int uv_fs_rmdir(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb)
Equivalent to :man:`rmdir(2)`.
.. c:function:: int uv_fs_opendir(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb)
Opens `path` as a directory stream. On success, a `uv_dir_t` is allocated
and returned via `req->ptr`. This memory is not freed by
`uv_fs_req_cleanup()`, although `req->ptr` is set to `NULL`. The allocated
memory must be freed by calling `uv_fs_closedir()`. On failure, no memory
is allocated.
The contents of the directory can be iterated over by passing the resulting
`uv_dir_t` to `uv_fs_readdir()`.
.. versionadded:: 1.28.0
.. c:function:: int uv_fs_closedir(uv_loop_t* loop, uv_fs_t* req, uv_dir_t* dir, uv_fs_cb cb)
Closes the directory stream represented by `dir` and frees the memory
allocated by `uv_fs_opendir()`.
.. versionadded:: 1.28.0
.. c:function:: int uv_fs_readdir(uv_loop_t* loop, uv_fs_t* req, uv_dir_t* dir, uv_fs_cb cb)
Iterates over the directory stream, `dir`, returned by a successful
`uv_fs_opendir()` call. Prior to invoking `uv_fs_readdir()`, the caller
must set `dir->dirents` and `dir->nentries`, representing the array of
:c:type:`uv_dirent_t` elements used to hold the read directory entries and
its size.
On success, the result is an integer >= 0 representing the number of entries
read from the stream.
.. versionadded:: 1.28.0
.. warning::
`uv_fs_readdir()` is not thread safe.
.. note::
This function does not return the "." and ".." entries.
.. note::
On success this function allocates memory that must be freed using
`uv_fs_req_cleanup()`. `uv_fs_req_cleanup()` must be called before
closing the directory with `uv_fs_closedir()`.
.. c:function:: int uv_fs_scandir(uv_loop_t* loop, uv_fs_t* req, const char* path, int flags, uv_fs_cb cb)
.. c:function:: int uv_fs_scandir_next(uv_fs_t* req, uv_dirent_t* ent)
Equivalent to :man:`scandir(3)`, with a slightly different API. Once the callback
for the request is called, the user can use :c:func:`uv_fs_scandir_next` to
get `ent` populated with the next directory entry data. When there are no
more entries ``UV_EOF`` will be returned.
.. note::
Unlike `scandir(3)`, this function does not return the "." and ".." entries.
.. note::
On Linux, getting the type of an entry is only supported by some file systems (btrfs, ext2,
ext3 and ext4 at the time of this writing), check the :man:`getdents(2)` man page.
.. c:function:: int uv_fs_stat(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb)
.. c:function:: int uv_fs_fstat(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb)
.. c:function:: int uv_fs_lstat(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb)
Equivalent to :man:`stat(2)`, :man:`fstat(2)` and :man:`lstat(2)` respectively.
.. c:function:: int uv_fs_statfs(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb)
Equivalent to :man:`statfs(2)`. On success, a `uv_statfs_t` is allocated
and returned via `req->ptr`. This memory is freed by `uv_fs_req_cleanup()`.
.. note::
Any fields in the resulting `uv_statfs_t` that are not supported by the
underlying operating system are set to zero.
.. versionadded:: 1.31.0
.. c:function:: int uv_fs_rename(uv_loop_t* loop, uv_fs_t* req, const char* path, const char* new_path, uv_fs_cb cb)
Equivalent to :man:`rename(2)`.
.. c:function:: int uv_fs_fsync(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb)
Equivalent to :man:`fsync(2)`.
.. note::
For AIX, `uv_fs_fsync` returns `UV_EBADF` on file descriptors referencing
non regular files.
.. c:function:: int uv_fs_fdatasync(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb)
Equivalent to :man:`fdatasync(2)`.
.. c:function:: int uv_fs_ftruncate(uv_loop_t* loop, uv_fs_t* req, uv_file file, int64_t offset, uv_fs_cb cb)
Equivalent to :man:`ftruncate(2)`.
.. c:function:: int uv_fs_copyfile(uv_loop_t* loop, uv_fs_t* req, const char* path, const char* new_path, int flags, uv_fs_cb cb)
Copies a file from `path` to `new_path`. Supported `flags` are described below.
- `UV_FS_COPYFILE_EXCL`: If present, `uv_fs_copyfile()` will fail with
`UV_EEXIST` if the destination path already exists. The default behavior
is to overwrite the destination if it exists.
- `UV_FS_COPYFILE_FICLONE`: If present, `uv_fs_copyfile()` will attempt to
create a copy-on-write reflink. If the underlying platform does not
support copy-on-write, or an error occurs while attempting to use
copy-on-write, a fallback copy mechanism based on
:c:func:`uv_fs_sendfile()` is used.
- `UV_FS_COPYFILE_FICLONE_FORCE`: If present, `uv_fs_copyfile()` will
attempt to create a copy-on-write reflink. If the underlying platform does
not support copy-on-write, or an error occurs while attempting to use
copy-on-write, then an error is returned.
.. warning::
If the destination path is created, but an error occurs while copying
the data, then the destination path is removed. There is a brief window
of time between closing and removing the file where another process
could access the file.
.. versionadded:: 1.14.0
.. versionchanged:: 1.20.0 `UV_FS_COPYFILE_FICLONE` and
`UV_FS_COPYFILE_FICLONE_FORCE` are supported.
.. versionchanged:: 1.33.0 If an error occurs while using
`UV_FS_COPYFILE_FICLONE_FORCE`, that error is returned. Previously,
all errors were mapped to `UV_ENOTSUP`.
.. c:function:: int uv_fs_sendfile(uv_loop_t* loop, uv_fs_t* req, uv_file out_fd, uv_file in_fd, int64_t in_offset, size_t length, uv_fs_cb cb)
Limited equivalent to :man:`sendfile(2)`.
.. c:function:: int uv_fs_access(uv_loop_t* loop, uv_fs_t* req, const char* path, int mode, uv_fs_cb cb)
Equivalent to :man:`access(2)` on Unix. Windows uses ``GetFileAttributesW()``.
.. c:function:: int uv_fs_chmod(uv_loop_t* loop, uv_fs_t* req, const char* path, int mode, uv_fs_cb cb)
.. c:function:: int uv_fs_fchmod(uv_loop_t* loop, uv_fs_t* req, uv_file file, int mode, uv_fs_cb cb)
Equivalent to :man:`chmod(2)` and :man:`fchmod(2)` respectively.
.. c:function:: int uv_fs_utime(uv_loop_t* loop, uv_fs_t* req, const char* path, double atime, double mtime, uv_fs_cb cb)
.. c:function:: int uv_fs_futime(uv_loop_t* loop, uv_fs_t* req, uv_file file, double atime, double mtime, uv_fs_cb cb)
.. c:function:: int uv_fs_lutime(uv_loop_t* loop, uv_fs_t* req, const char* path, double atime, double mtime, uv_fs_cb cb)
Equivalent to :man:`utime(2)`, :man:`futimes(3)` and :man:`lutimes(3)` respectively.
.. note::
z/OS: `uv_fs_lutime()` is not implemented for z/OS. It can still be called but will return
``UV_ENOSYS``.
.. note::
AIX: `uv_fs_futime()` and `uv_fs_lutime()` functions only work for AIX 7.1 and newer.
They can still be called on older versions but will return ``UV_ENOSYS``.
.. versionchanged:: 1.10.0 sub-second precission is supported on Windows
.. c:function:: int uv_fs_link(uv_loop_t* loop, uv_fs_t* req, const char* path, const char* new_path, uv_fs_cb cb)
Equivalent to :man:`link(2)`.
.. c:function:: int uv_fs_symlink(uv_loop_t* loop, uv_fs_t* req, const char* path, const char* new_path, int flags, uv_fs_cb cb)
Equivalent to :man:`symlink(2)`.
.. note::
On Windows the `flags` parameter can be specified to control how the symlink will
be created:
* ``UV_FS_SYMLINK_DIR``: indicates that `path` points to a directory.
* ``UV_FS_SYMLINK_JUNCTION``: request that the symlink is created
using junction points.
.. c:function:: int uv_fs_readlink(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb)
Equivalent to :man:`readlink(2)`.
The resulting string is stored in `req->ptr`.
.. c:function:: int uv_fs_realpath(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb)
Equivalent to :man:`realpath(3)` on Unix. Windows uses `GetFinalPathNameByHandle <https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-getfinalpathnamebyhandlea>`_.
The resulting string is stored in `req->ptr`.
.. warning::
This function has certain platform-specific caveats that were discovered when used in Node.
* macOS and other BSDs: this function will fail with UV_ELOOP if more than 32 symlinks are
found while resolving the given path. This limit is hardcoded and cannot be sidestepped.
* Windows: while this function works in the common case, there are a number of corner cases
where it doesn't:
- Paths in ramdisk volumes created by tools which sidestep the Volume Manager (such as ImDisk)
cannot be resolved.
- Inconsistent casing when using drive letters.
- Resolved path bypasses subst'd drives.
While this function can still be used, it's not recommended if scenarios such as the
above need to be supported.
The background story and some more details on these issues can be checked
`here <https://github.com/nodejs/node/issues/7726>`_.
.. note::
This function is not implemented on Windows XP and Windows Server 2003.
On these systems, UV_ENOSYS is returned.
.. versionadded:: 1.8.0
.. c:function:: int uv_fs_chown(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_uid_t uid, uv_gid_t gid, uv_fs_cb cb)
.. c:function:: int uv_fs_fchown(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_uid_t uid, uv_gid_t gid, uv_fs_cb cb)
.. c:function:: int uv_fs_lchown(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_uid_t uid, uv_gid_t gid, uv_fs_cb cb)
Equivalent to :man:`chown(2)`, :man:`fchown(2)` and :man:`lchown(2)` respectively.
.. note::
These functions are not implemented on Windows.
.. versionchanged:: 1.21.0 implemented uv_fs_lchown
.. c:function:: uv_fs_type uv_fs_get_type(const uv_fs_t* req)
Returns `req->fs_type`.
.. versionadded:: 1.19.0
.. c:function:: ssize_t uv_fs_get_result(const uv_fs_t* req)
Returns `req->result`.
.. versionadded:: 1.19.0
.. c:function:: int uv_fs_get_system_error(const uv_fs_t* req)
Returns the platform specific error code - `GetLastError()` value on Windows
and `-(req->result)` on other platforms.
.. versionadded:: 1.38.0
.. c:function:: void* uv_fs_get_ptr(const uv_fs_t* req)
Returns `req->ptr`.
.. versionadded:: 1.19.0
.. c:function:: const char* uv_fs_get_path(const uv_fs_t* req)
Returns `req->path`.
.. versionadded:: 1.19.0
.. c:function:: uv_stat_t* uv_fs_get_statbuf(uv_fs_t* req)
Returns `&req->statbuf`.
.. versionadded:: 1.19.0
.. seealso:: The :c:type:`uv_req_t` API functions also apply.
Helper functions
----------------
.. c:function:: uv_os_fd_t uv_get_osfhandle(int fd)
For a file descriptor in the C runtime, get the OS-dependent handle.
On UNIX, returns the ``fd`` intact. On Windows, this calls `_get_osfhandle <https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/get-osfhandle?view=vs-2019>`_.
Note that the return value is still owned by the C runtime,
any attempts to close it or to use it after closing the fd may lead to malfunction.
.. versionadded:: 1.12.0
.. c:function:: int uv_open_osfhandle(uv_os_fd_t os_fd)
For a OS-dependent handle, get the file descriptor in the C runtime.
On UNIX, returns the ``os_fd`` intact. On Windows, this calls `_open_osfhandle <https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/open-osfhandle?view=vs-2019>`_.
Note that this consumes the argument, any attempts to close it or to use it
after closing the return value may lead to malfunction.
.. versionadded:: 1.23.0
File open constants
-------------------
.. c:macro:: UV_FS_O_APPEND
The file is opened in append mode. Before each write, the file offset is
positioned at the end of the file.
.. c:macro:: UV_FS_O_CREAT
The file is created if it does not already exist.
.. c:macro:: UV_FS_O_DIRECT
File I/O is done directly to and from user-space buffers, which must be
aligned. Buffer size and address should be a multiple of the physical sector
size of the block device.
.. note::
`UV_FS_O_DIRECT` is supported on Linux, and on Windows via
`FILE_FLAG_NO_BUFFERING <https://docs.microsoft.com/en-us/windows/win32/fileio/file-buffering>`_.
`UV_FS_O_DIRECT` is not supported on macOS.
.. c:macro:: UV_FS_O_DIRECTORY
If the path is not a directory, fail the open.
.. note::
`UV_FS_O_DIRECTORY` is not supported on Windows.
.. c:macro:: UV_FS_O_DSYNC
The file is opened for synchronous I/O. Write operations will complete once
all data and a minimum of metadata are flushed to disk.
.. note::
`UV_FS_O_DSYNC` is supported on Windows via
`FILE_FLAG_WRITE_THROUGH <https://docs.microsoft.com/en-us/windows/win32/fileio/file-buffering>`_.
.. c:macro:: UV_FS_O_EXCL
If the `O_CREAT` flag is set and the file already exists, fail the open.
.. note::
In general, the behavior of `O_EXCL` is undefined if it is used without
`O_CREAT`. There is one exception: on Linux 2.6 and later, `O_EXCL` can
be used without `O_CREAT` if pathname refers to a block device. If the
block device is in use by the system (e.g., mounted), the open will fail
with the error `EBUSY`.
.. c:macro:: UV_FS_O_EXLOCK
Atomically obtain an exclusive lock.
.. note::
`UV_FS_O_EXLOCK` is only supported on macOS and Windows.
.. versionchanged:: 1.17.0 support is added for Windows.
.. c:macro:: UV_FS_O_FILEMAP
Use a memory file mapping to access the file. When using this flag, the
file cannot be open multiple times concurrently.
.. note::
`UV_FS_O_FILEMAP` is only supported on Windows.
.. c:macro:: UV_FS_O_NOATIME
Do not update the file access time when the file is read.
.. note::
`UV_FS_O_NOATIME` is not supported on Windows.
.. c:macro:: UV_FS_O_NOCTTY
If the path identifies a terminal device, opening the path will not cause
that terminal to become the controlling terminal for the process (if the
process does not already have one).
.. note::
`UV_FS_O_NOCTTY` is not supported on Windows.
.. c:macro:: UV_FS_O_NOFOLLOW
If the path is a symbolic link, fail the open.
.. note::
`UV_FS_O_NOFOLLOW` is not supported on Windows.
.. c:macro:: UV_FS_O_NONBLOCK
Open the file in nonblocking mode if possible.
.. note::
`UV_FS_O_NONBLOCK` is not supported on Windows.
.. c:macro:: UV_FS_O_RANDOM
Access is intended to be random. The system can use this as a hint to
optimize file caching.
.. note::
`UV_FS_O_RANDOM` is only supported on Windows via
`FILE_FLAG_RANDOM_ACCESS <https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilea>`_.
.. c:macro:: UV_FS_O_RDONLY
Open the file for read-only access.
.. c:macro:: UV_FS_O_RDWR
Open the file for read-write access.
.. c:macro:: UV_FS_O_SEQUENTIAL
Access is intended to be sequential from beginning to end. The system can
use this as a hint to optimize file caching.
.. note::
`UV_FS_O_SEQUENTIAL` is only supported on Windows via
`FILE_FLAG_SEQUENTIAL_SCAN <https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilea>`_.
.. c:macro:: UV_FS_O_SHORT_LIVED
The file is temporary and should not be flushed to disk if possible.
.. note::
`UV_FS_O_SHORT_LIVED` is only supported on Windows via
`FILE_ATTRIBUTE_TEMPORARY <https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilea>`_.
.. c:macro:: UV_FS_O_SYMLINK
Open the symbolic link itself rather than the resource it points to.
.. c:macro:: UV_FS_O_SYNC
The file is opened for synchronous I/O. Write operations will complete once
all data and all metadata are flushed to disk.
.. note::
`UV_FS_O_SYNC` is supported on Windows via
`FILE_FLAG_WRITE_THROUGH <https://docs.microsoft.com/en-us/windows/win32/fileio/file-buffering>`_.
.. c:macro:: UV_FS_O_TEMPORARY
The file is temporary and should not be flushed to disk if possible.
.. note::
`UV_FS_O_TEMPORARY` is only supported on Windows via
`FILE_ATTRIBUTE_TEMPORARY <https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilea>`_.
.. c:macro:: UV_FS_O_TRUNC
If the file exists and is a regular file, and the file is opened
successfully for write access, its length shall be truncated to zero.
.. c:macro:: UV_FS_O_WRONLY
Open the file for write-only access.

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.. _fs_event:
:c:type:`uv_fs_event_t` --- FS Event handle
===========================================
FS Event handles allow the user to monitor a given path for changes, for example,
if the file was renamed or there was a generic change in it. This handle uses
the best backend for the job on each platform.
.. note::
For AIX, the non default IBM bos.ahafs package has to be installed.
The AIX Event Infrastructure file system (ahafs) has some limitations:
- ahafs tracks monitoring per process and is not thread safe. A separate process
must be spawned for each monitor for the same event.
- Events for file modification (writing to a file) are not received if only the
containing folder is watched.
See documentation_ for more details.
The z/OS file system events monitoring infrastructure does not notify of file
creation/deletion within a directory that is being monitored.
See the `IBM Knowledge centre`_ for more details.
.. _documentation: https://developer.ibm.com/articles/au-aix_event_infrastructure/
.. _`IBM Knowledge centre`: https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.2.0/com.ibm.zos.v2r1.bpxb100/ioc.htm
Data types
----------
.. c:type:: uv_fs_event_t
FS Event handle type.
.. c:type:: void (*uv_fs_event_cb)(uv_fs_event_t* handle, const char* filename, int events, int status)
Callback passed to :c:func:`uv_fs_event_start` which will be called repeatedly
after the handle is started. If the handle was started with a directory the
`filename` parameter will be a relative path to a file contained in the directory.
The `events` parameter is an ORed mask of :c:type:`uv_fs_event` elements.
.. c:type:: uv_fs_event
Event types that :c:type:`uv_fs_event_t` handles monitor.
::
enum uv_fs_event {
UV_RENAME = 1,
UV_CHANGE = 2
};
.. c:type:: uv_fs_event_flags
Flags that can be passed to :c:func:`uv_fs_event_start` to control its
behavior.
::
enum uv_fs_event_flags {
/*
* By default, if the fs event watcher is given a directory name, we will
* watch for all events in that directory. This flags overrides this behavior
* and makes fs_event report only changes to the directory entry itself. This
* flag does not affect individual files watched.
* This flag is currently not implemented yet on any backend.
*/
UV_FS_EVENT_WATCH_ENTRY = 1,
/*
* By default uv_fs_event will try to use a kernel interface such as inotify
* or kqueue to detect events. This may not work on remote file systems such
* as NFS mounts. This flag makes fs_event fall back to calling stat() on a
* regular interval.
* This flag is currently not implemented yet on any backend.
*/
UV_FS_EVENT_STAT = 2,
/*
* By default, event watcher, when watching directory, is not registering
* (is ignoring) changes in its subdirectories.
* This flag will override this behaviour on platforms that support it.
*/
UV_FS_EVENT_RECURSIVE = 4
};
Public members
^^^^^^^^^^^^^^
N/A
.. seealso:: The :c:type:`uv_handle_t` members also apply.
API
---
.. c:function:: int uv_fs_event_init(uv_loop_t* loop, uv_fs_event_t* handle)
Initialize the handle.
.. c:function:: int uv_fs_event_start(uv_fs_event_t* handle, uv_fs_event_cb cb, const char* path, unsigned int flags)
Start the handle with the given callback, which will watch the specified
`path` for changes. `flags` can be an ORed mask of :c:type:`uv_fs_event_flags`.
.. note:: Currently the only supported flag is ``UV_FS_EVENT_RECURSIVE`` and
only on OSX and Windows.
.. c:function:: int uv_fs_event_stop(uv_fs_event_t* handle)
Stop the handle, the callback will no longer be called.
.. c:function:: int uv_fs_event_getpath(uv_fs_event_t* handle, char* buffer, size_t* size)
Get the path being monitored by the handle. The buffer must be preallocated
by the user. Returns 0 on success or an error code < 0 in case of failure.
On success, `buffer` will contain the path and `size` its length. If the buffer
is not big enough `UV_ENOBUFS` will be returned and `size` will be set to
the required size, including the null terminator.
.. versionchanged:: 1.3.0 the returned length no longer includes the terminating null byte,
and the buffer is not null terminated.
.. versionchanged:: 1.9.0 the returned length includes the terminating null
byte on `UV_ENOBUFS`, and the buffer is null terminated
on success.
.. seealso:: The :c:type:`uv_handle_t` API functions also apply.

77
deps/libuv/docs/src/fs_poll.rst vendored Normal file
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@ -0,0 +1,77 @@
.. _fs_poll:
:c:type:`uv_fs_poll_t` --- FS Poll handle
=========================================
FS Poll handles allow the user to monitor a given path for changes. Unlike
:c:type:`uv_fs_event_t`, fs poll handles use `stat` to detect when a file has
changed so they can work on file systems where fs event handles can't.
Data types
----------
.. c:type:: uv_fs_poll_t
FS Poll handle type.
.. c:type:: void (*uv_fs_poll_cb)(uv_fs_poll_t* handle, int status, const uv_stat_t* prev, const uv_stat_t* curr)
Callback passed to :c:func:`uv_fs_poll_start` which will be called repeatedly
after the handle is started, when any change happens to the monitored path.
The callback is invoked with `status < 0` if `path` does not exist
or is inaccessible. The watcher is *not* stopped but your callback is
not called again until something changes (e.g. when the file is created
or the error reason changes).
When `status == 0`, the callback receives pointers to the old and new
:c:type:`uv_stat_t` structs. They are valid for the duration of the
callback only.
Public members
^^^^^^^^^^^^^^
N/A
.. seealso:: The :c:type:`uv_handle_t` members also apply.
API
---
.. c:function:: int uv_fs_poll_init(uv_loop_t* loop, uv_fs_poll_t* handle)
Initialize the handle.
.. c:function:: int uv_fs_poll_start(uv_fs_poll_t* handle, uv_fs_poll_cb poll_cb, const char* path, unsigned int interval)
Check the file at `path` for changes every `interval` milliseconds.
.. note::
For maximum portability, use multi-second intervals. Sub-second intervals will not detect
all changes on many file systems.
.. c:function:: int uv_fs_poll_stop(uv_fs_poll_t* handle)
Stop the handle, the callback will no longer be called.
.. c:function:: int uv_fs_poll_getpath(uv_fs_poll_t* handle, char* buffer, size_t* size)
Get the path being monitored by the handle. The buffer must be preallocated
by the user. Returns 0 on success or an error code < 0 in case of failure.
On success, `buffer` will contain the path and `size` its length. If the buffer
is not big enough `UV_ENOBUFS` will be returned and `size` will be set to
the required size.
.. versionchanged:: 1.3.0 the returned length no longer includes the terminating null byte,
and the buffer is not null terminated.
.. versionchanged:: 1.9.0 the returned length includes the terminating null
byte on `UV_ENOBUFS`, and the buffer is null terminated
on success.
.. seealso:: The :c:type:`uv_handle_t` API functions also apply.

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