lib/explicit_bzero.c

   1 /* Erasure of sensitive data, generic implementation.
   2    Copyright (C) 2016-2025 Free Software Foundation, Inc.
   3
   4    This file is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU Lesser General Public License as
   6    published by the Free Software Foundation; either version 2.1 of the
   7    License, or (at your option) any later version.
   8
   9    This file is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 #include <config.h>
  18
  19 #include <string.h>
  20
  21 /* Set LEN bytes of S to 0.  The compiler will not delete a call to
  22    this function, even if S is dead after the call.  */
  23 void
  24 explicit_bzero (void *s, size_t len)
  25 {
  26   memset_explicit (s, 0, len);
  27 }