fortify-headers-1.0.tar.gz

/* * Copyright (C) 2015-2017 Dimitris Papastamos <[email protected]> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _FORTIFY_WCHAR_H #define _FORTIFY_WCHAR_H #ifndef __cplusplus __extension__ #endif #include_next <limits.h> #ifndef __cplusplus __extension__ #endif #include_next <stdlib.h> #ifndef __cplusplus __extension__ #endif #include_next <string.h> #ifndef __cplusplus __extension__ #endif #include_next <wchar.h> #if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0 #include "fortify-headers.h" #ifdef __cplusplus extern "C" { #endif #undef fgetws #undef mbsrtowcs #undef mbstowcs #undef wcrtomb #undef wcscat #undef wcscpy #undef wcsncat #undef wcsncpy #undef wcsrtombs #undef wcstombs #undef wctomb #undef wmemcpy #undef wmemmove #undef wmemset _FORTIFY_FN(fgetws) wchar_t *fgetws(wchar_t *__s, int __n, FILE *__f) { size_t __b = __builtin_object_size(__s, 0); if ((size_t)__n > __b / sizeof(wchar_t)) __builtin_trap(); return __orig_fgetws(__s, __n, __f); } #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) #undef mbsnrtowcs _FORTIFY_FN(mbsnrtowcs) size_t mbsnrtowcs(wchar_t *__d, const char **__s, size_t __n, size_t __wn, mbstate_t *__st) { size_t __b = __builtin_object_size(__d, 0); size_t __r; if (__wn > __n / sizeof(wchar_t)) { __b /= sizeof(wchar_t); __r = __orig_mbsnrtowcs(__d, __s, __n, __wn > __b ? __b : __wn, __st); if (__b < __wn && __d && *__s && __r != (size_t)-1) __builtin_trap(); } else { __r = __orig_mbsnrtowcs(__d, __s, __n > __b ? __b : __n, __wn, __st); if (__b < __n && __d && *__s && __r != (size_t)-1) __builtin_trap(); } return __r; } #endif _FORTIFY_FN(mbsrtowcs) size_t mbsrtowcs(wchar_t *__d, const char **__s, size_t __wn, mbstate_t *__st) { size_t __b = __builtin_object_size(__d, 0); size_t __r; __b /= sizeof(wchar_t); __r = __orig_mbsrtowcs(__d, __s, __wn > __b ? __b : __wn, __st); if (__b < __wn && __d && *__s && __r != (size_t)-1) __builtin_trap(); return __r; } _FORTIFY_FN(mbstowcs) size_t mbstowcs(wchar_t *__ws, const char *__s, size_t __wn) { size_t __b = __builtin_object_size(__ws, 0); if (__ws && __wn > __b / sizeof(wchar_t)) __builtin_trap(); return __orig_mbstowcs(__ws, __s, __wn); } _FORTIFY_FN(wcrtomb) size_t wcrtomb(char *__s, wchar_t __w, mbstate_t *__st) { char __buf[MB_LEN_MAX]; size_t __b = __builtin_object_size(__s, 0); size_t __r; if (__s) { __r = __orig_wcrtomb(__buf, __w, __st); if (__r == (size_t)-1) return __r; if (__r > __b) __builtin_trap(); memcpy(__s, __buf, __r); return __r; } return __orig_wcrtomb(__s, __w, __st); } _FORTIFY_FN(wcscat) wchar_t *wcscat(wchar_t *__d, const wchar_t *__s) { size_t __b = __builtin_object_size(__d, 0); if (wcslen(__s) + wcslen(__d) + 1 > __b / sizeof(wchar_t)) __builtin_trap(); return __orig_wcscat(__d, __s); } _FORTIFY_FN(wcscpy) wchar_t *wcscpy(wchar_t *__d, const wchar_t *__s) { size_t __b = __builtin_object_size(__d, 0); if (wcslen(__s) + 1 > __b / sizeof(wchar_t)) __builtin_trap(); return __orig_wcscpy(__d, __s); } _FORTIFY_FN(wcsncat) wchar_t *wcsncat(wchar_t *__d, const wchar_t *__s, size_t __n) { size_t __b = __builtin_object_size(__d, 0); size_t __sl, __dl; if (__n > __b / sizeof(wchar_t)) { __sl = wcslen(__s); __dl = wcslen(__d); if (__sl > __n) __sl = __n; if (__sl + __dl + 1 > __b / sizeof(wchar_t)) __builtin_trap(); } return __orig_wcsncat(__d, __s, __n); } _FORTIFY_FN(wcsncpy) wchar_t *wcsncpy(wchar_t *__d, const wchar_t *__s, size_t __n) { size_t __b = __builtin_object_size(__d, 0); if (__n > __b / sizeof(wchar_t)) __builtin_trap(); return __orig_wcsncpy(__d, __s, __n); } #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) #undef wcsnrtombs _FORTIFY_FN(wcsnrtombs) size_t wcsnrtombs(char *__d, const wchar_t **__s, size_t __wn, size_t __n, mbstate_t *__st) { size_t __b = __builtin_object_size(__d, 0); size_t __r; if (__wn > __n / sizeof(wchar_t)) { __b /= sizeof(wchar_t); __r = __orig_wcsnrtombs(__d, __s, __wn > __b ? __b : __wn, __n, __st); if (__b < __wn && __d && *__s && __r != (size_t)-1) __builtin_trap(); } else { __r = __orig_wcsnrtombs(__d, __s, __wn, __n > __b ? __b : __n, __st); if (__b < __n && __d && *__s && __r != (size_t)-1) __builtin_trap(); } return __r; } #endif _FORTIFY_FN(wcsrtombs) size_t wcsrtombs(char *__d, const wchar_t **__s, size_t __n, mbstate_t *__st) { size_t __b = __builtin_object_size(__d, 0); size_t __r; __r = __orig_wcsrtombs(__d, __s, __n > __b ? __b : __n, __st); if (__b < __n && __d && *__s && __r != (size_t)-1) __builtin_trap(); return __r; } _FORTIFY_FN(wcstombs) size_t wcstombs(char *__s, const wchar_t *__ws, size_t __n) { size_t __b = __builtin_object_size(__s, 0); if (__s && __n > __b) __builtin_trap(); return __orig_wcstombs(__s, __ws, __n); } _FORTIFY_FN(wctomb) int wctomb(char *__s, wchar_t __w) { size_t __b = __builtin_object_size(__s, 0); if (__s && MB_CUR_MAX > __b) __builtin_trap(); return __orig_wctomb(__s, __w); } _FORTIFY_FN(wmemcpy) wchar_t *wmemcpy(wchar_t *__d, const wchar_t *__s, size_t __n) { size_t __b = __builtin_object_size(__d, 0); if (__n > __b / sizeof(wchar_t)) __builtin_trap(); return __orig_wmemcpy(__d, __s, __n); } _FORTIFY_FN(wmemmove) wchar_t *wmemmove(wchar_t *__d, const wchar_t *__s, size_t __n) { size_t __b = __builtin_object_size(__d, 0); if (__n > __b / sizeof(wchar_t)) __builtin_trap(); return __orig_wmemmove(__d, __s, __n); } _FORTIFY_FN(wmemset) wchar_t *wmemset(wchar_t *__s, wchar_t __c, size_t __n) { size_t __b = __builtin_object_size(__s, 0); if (__n > __b / sizeof(wchar_t)) __builtin_trap(); return __orig_wmemset(__s, __c, __n); } #ifdef __cplusplus } #endif #endif #endif