Mercurial > hg > CbC > CbC_gcc
comparison libssp/vsnprintf-chk.c @ 0:a06113de4d67
first commit
| author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 17 Jul 2009 14:47:48 +0900 |
| parents | |
| children | 04ced10e8804 |
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| -1:000000000000 | 0:a06113de4d67 |
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| 1 /* Checking vsnprintf. | |
| 2 Copyright (C) 2005, 2009 Free Software Foundation, Inc. | |
| 3 | |
| 4 This file is part of GCC. | |
| 5 | |
| 6 GCC is free software; you can redistribute it and/or modify it under | |
| 7 the terms of the GNU General Public License as published by the Free | |
| 8 Software Foundation; either version 3, or (at your option) any later | |
| 9 version. | |
| 10 | |
| 11 In addition to the permissions in the GNU General Public License, the | |
| 12 Free Software Foundation gives you unlimited permission to link the | |
| 13 compiled version of this file into combinations with other programs, | |
| 14 and to distribute those combinations without any restriction coming | |
| 15 from the use of this file. (The General Public License restrictions | |
| 16 do apply in other respects; for example, they cover modification of | |
| 17 the file, and distribution when not linked into a combine | |
| 18 executable.) | |
| 19 | |
| 20 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 21 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 22 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 23 for more details. | |
| 24 | |
| 25 Under Section 7 of GPL version 3, you are granted additional | |
| 26 permissions described in the GCC Runtime Library Exception, version | |
| 27 3.1, as published by the Free Software Foundation. | |
| 28 | |
| 29 You should have received a copy of the GNU General Public License and | |
| 30 a copy of the GCC Runtime Library Exception along with this program; | |
| 31 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 32 <http://www.gnu.org/licenses/>. */ | |
| 33 | |
| 34 #include "config.h" | |
| 35 #include <ssp/ssp.h> | |
| 36 #include <stdarg.h> | |
| 37 #ifdef HAVE_STDIO_H | |
| 38 # include <stdio.h> | |
| 39 #endif | |
| 40 | |
| 41 extern void __chk_fail (void) __attribute__((__noreturn__)); | |
| 42 | |
| 43 #ifdef HAVE_USABLE_VSNPRINTF | |
| 44 int | |
| 45 __vsnprintf_chk (char *s, size_t n, int flags __attribute__((unused)), | |
| 46 size_t slen, const char *format, va_list arg) | |
| 47 { | |
| 48 if (n > slen) | |
| 49 __chk_fail (); | |
| 50 | |
| 51 return vsnprintf (s, n, format, arg); | |
| 52 } | |
| 53 #endif |