glibc/stdio-common/snprintf.c

40 lines
1.3 KiB
C

/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library 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.
The GNU C Library 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 the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <stdarg.h>
#include <stdio.h>
#include <libioP.h>
#define __vsnprintf(s, l, f, a) _IO_vsnprintf (s, l, f, a)
/* Write formatted output into S, according to the format
string FORMAT, writing no more than MAXLEN characters. */
/* VARARGS3 */
int
__snprintf (char *s, size_t maxlen, const char *format, ...)
{
va_list arg;
int done;
va_start (arg, format);
done = __vsnprintf (s, maxlen, format, arg);
va_end (arg);
return done;
}
libc_hidden_def (__snprintf)
ldbl_weak_alias (__snprintf, snprintf)