46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/* Formatted output to strings.
|
|
Copyright (C) 2004, 2006-2025 Free Software Foundation, Inc.
|
|
|
|
This file is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as
|
|
published by the Free Software Foundation; either version 2.1 of the
|
|
License, or (at your option) any later version.
|
|
|
|
This file is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with this program. If not, see <https://www.gnu.org/licenses/>. */
|
|
|
|
#include <config.h>
|
|
|
|
/* Specification. */
|
|
#include <stdio.h>
|
|
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
#include <stdarg.h>
|
|
#include <stdint.h>
|
|
|
|
int
|
|
snprintf (char *str, size_t size, const char *format, ...)
|
|
{
|
|
va_list args;
|
|
ptrdiff_t ret;
|
|
|
|
va_start (args, format);
|
|
ret = vsnzprintf (str, size, format, args);
|
|
va_end (args);
|
|
|
|
#if PTRDIFF_MAX > INT_MAX
|
|
if (ret > INT_MAX)
|
|
{
|
|
errno = EOVERFLOW;
|
|
return -1;
|
|
}
|
|
#endif
|
|
|
|
return ret;
|
|
}
|