tildefriends/deps/libuv/src/win/snprintf.c

43 lines
1.5 KiB
C

/* Copyright the libuv project 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.
*/
#if defined(_MSC_VER) && _MSC_VER < 1900
#include <stdio.h>
#include <stdarg.h>
/* Emulate snprintf() on MSVC<2015, _snprintf() doesn't zero-terminate the buffer
* on overflow...
*/
int snprintf(char* buf, size_t len, const char* fmt, ...) {
int n;
va_list ap;
va_start(ap, fmt);
n = _vscprintf(fmt, ap);
vsnprintf_s(buf, len, _TRUNCATE, fmt, ap);
va_end(ap);
return n;
}
#endif