string/bits/strings_fortified.h

   1 /* Fortify macros for strings.h functions.
   2    Copyright (C) 2017-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #ifndef __STRINGS_FORTIFIED
  20 # define __STRINGS_FORTIFIED 1
  21
  22 __fortify_function void
  23 __NTH (bcopy (const void *__src, void *__dest, size_t __len))
  24 {
  25   (void) __builtin___memmove_chk (__dest, __src, __len,
  26                                   __glibc_objsize0 (__dest));
  27 }
  28
  29 __fortify_function void
  30 __NTH (bzero (void *__dest, size_t __len))
  31 {
  32   (void) __builtin___memset_chk (__dest, '\0', __len,
  33                                  __glibc_objsize0 (__dest));
  34 }
  35
  36 #endif