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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libssp/ssp/stdio.h | |
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Diffstat (limited to 'libssp/ssp/stdio.h')
-rw-r--r-- | libssp/ssp/stdio.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/libssp/ssp/stdio.h b/libssp/ssp/stdio.h new file mode 100644 index 000000000..283ca6273 --- /dev/null +++ b/libssp/ssp/stdio.h @@ -0,0 +1,100 @@ +/* Checking macros for stdio functions. + Copyright (C) 2004, 2005, 2009 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 3, 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. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + + +#ifndef _SSP_STDIO_H +#define _SSP_STDIO_H 1 + +#include <ssp.h> +#include_next <stdio.h> + +#if __SSP_FORTIFY_LEVEL > 0 + +#include <stdarg.h> + +#undef sprintf +#undef vsprintf +#undef snprintf +#undef vsnprintf +#undef gets +#undef fgets + +extern int __sprintf_chk (char *__restrict__ __s, int __flag, size_t __slen, + __const char *__restrict__ __format, ...); +extern int __vsprintf_chk (char *__restrict__ __s, int __flag, size_t __slen, + __const char *__restrict__ __format, + va_list __ap); + +#define sprintf(str, ...) \ + __builtin___sprintf_chk (str, 0, __ssp_bos (str), \ + __VA_ARGS__) +#define vsprintf(str, fmt, ap) \ + __builtin___vsprintf_chk (str, 0, __ssp_bos (str), fmt, ap) + +extern int __snprintf_chk (char *__restrict__ __s, size_t __n, int __flag, + size_t __slen, __const char *__restrict__ __format, + ...); +extern int __vsnprintf_chk (char *__restrict__ __s, size_t __n, int __flag, + size_t __slen, __const char *__restrict__ __format, + va_list __ap); + +#define snprintf(str, len, ...) \ + __builtin___snprintf_chk (str, len, 0, __ssp_bos (str), __VA_ARGS__) +#define vsnprintf(str, len, fmt, ap) \ + __builtin___vsnprintf_chk (str, len, 0, __ssp_bos (str), fmt, ap) + +extern char *__gets_chk (char *__str, size_t); +extern char *__SSP_REDIRECT (__gets_alias, (char *__str), gets); + +extern inline __attribute__((__always_inline__)) char * +gets (char *__str) +{ + if (__ssp_bos (__str) != (size_t) -1) + return __gets_chk (__str, __ssp_bos (__str)); + return __gets_alias (__str); +} + +extern char *__SSP_REDIRECT (__fgets_alias, + (char *__restrict__ __s, int __n, + FILE *__restrict__ __stream), fgets); + +extern inline __attribute__((__always_inline__)) char * +fgets (char *__restrict__ __s, int __n, FILE *__restrict__ __stream) +{ + if (__ssp_bos (__s) != (size_t) -1 && (size_t) __n > __ssp_bos (__s)) + __chk_fail (); + return __fgets_alias (__s, __n, __stream); +} + +#endif /* __SSP_FORTIFY_LEVEL > 0 */ +#endif /* _SSP_STDIO_H */ |