forked from cory/tildefriends
32 lines
850 B
C
32 lines
850 B
C
|
/*
|
||
|
|
* Copyright 2021 The OpenSSL Project Authors. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
||
|
|
* this file except in compliance with the License. You can obtain a copy
|
||
|
|
* in the file LICENSE in the source distribution or at
|
||
|
|
* https://www.openssl.org/source/license.html
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef OSSL_INTERNAL_UNICODE_H
|
||
|
|
# define OSSL_INTERNAL_UNICODE_H
|
||
|
|
# pragma once
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
SURROGATE_MIN = 0xd800UL,
|
||
|
|
SURROGATE_MAX = 0xdfffUL,
|
||
|
|
UNICODE_MAX = 0x10ffffUL,
|
||
|
|
UNICODE_LIMIT
|
||
|
|
} UNICODE_CONSTANTS;
|
||
|
|
|
||
|
|
static ossl_unused ossl_inline int is_unicode_surrogate(unsigned long value)
|
||
|
|
{
|
||
|
|
return value >= SURROGATE_MIN && value <= SURROGATE_MAX;
|
||
|
|
}
|
||
|
|
|
||
|
|
static ossl_unused ossl_inline int is_unicode_valid(unsigned long value)
|
||
|
|
{
|
||
|
|
return value <= UNICODE_MAX && !is_unicode_surrogate(value);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|