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Diffstat (limited to 'string/bits/strings_fortified.h')
-rw-r--r-- | string/bits/strings_fortified.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/string/bits/strings_fortified.h b/string/bits/strings_fortified.h new file mode 100644 index 0000000000..fd396f9f3c --- /dev/null +++ b/string/bits/strings_fortified.h @@ -0,0 +1,43 @@ +/* Fortify macros for strings.h functions. + Copyright (C) 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/>. */ + +#ifndef __STRINGS_FORTIFIED +# define __STRINGS_FORTIFIED 1 + +__fortify_function void +__NTH (bcopy (const void *__src, void *__dest, size_t __len)) +{ + (void) __builtin___memmove_chk (__dest, __src, __len, __bos0 (__dest)); +} + +__fortify_function void +__NTH (bzero (void *__dest, size_t __len)) +{ + (void) __builtin___memset_chk (__dest, '\0', __len, __bos0 (__dest)); +} + +void __explicit_bzero_chk (void *__dest, size_t __len, size_t __destlen) + __THROW __nonnull ((1)); + +__fortify_function void +__NTH (explicit_bzero (void *__dest, size_t __len)) +{ + __explicit_bzero_chk (__dest, __len, __bos0 (__dest)); +} + +#endif |