56 lines
2.0 KiB
C
56 lines
2.0 KiB
C
/* Checking vsnprintf.
|
|
Copyright (C) 2005 Free Software Foundation, Inc.
|
|
|
|
This file is part of GCC.
|
|
|
|
GCC is free software; you can redistribute it and/or modify it under
|
|
the terms of the GNU General Public License as published by the Free
|
|
Software Foundation; either version 2, or (at your option) any later
|
|
version.
|
|
|
|
In addition to the permissions in the GNU General Public License, the
|
|
Free Software Foundation gives you unlimited permission to link the
|
|
compiled version of this file into combinations with other programs,
|
|
and to distribute those combinations without any restriction coming
|
|
from the use of this file. (The General Public License restrictions
|
|
do apply in other respects; for example, they cover modification of
|
|
the file, and distribution when not linked into a combine
|
|
executable.)
|
|
|
|
GCC 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 General Public License
|
|
for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GCC; see the file COPYING. If not, write to the Free
|
|
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
|
|
02110-1301, USA. */
|
|
|
|
/* As a special exception, if you link this library with files compiled with
|
|
GCC to produce an executable, this does not cause the resulting executable
|
|
to be covered by the GNU General Public License. This exception does not
|
|
however invalidate any other reasons why the executable file might be
|
|
covered by the GNU General Public License. */
|
|
|
|
#include "config.h"
|
|
#include <ssp/ssp.h>
|
|
#include <stdarg.h>
|
|
#ifdef HAVE_STDIO_H
|
|
# include <stdio.h>
|
|
#endif
|
|
|
|
extern void __chk_fail (void) __attribute__((__noreturn__));
|
|
|
|
#ifdef HAVE_USABLE_VSNPRINTF
|
|
int
|
|
__vsnprintf_chk (char *s, size_t n, int flags __attribute__((unused)),
|
|
size_t slen, const char *format, va_list arg)
|
|
{
|
|
if (n > slen)
|
|
__chk_fail ();
|
|
|
|
return vsnprintf (s, n, format, arg);
|
|
}
|
|
#endif
|