lib/xmemdup0.h

   1 /* xmemdup0.h -- copy a block of arbitrary bytes, plus a trailing NUL
   2
   3    Copyright (C) 2008-2018 Free Software Foundation, Inc.
   4
   5    This program is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program 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
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17
  18 #ifndef XMEMDUP_H_
  19 # define XMEMDUP_H_
  20
  21 # include <stddef.h>
  22
  23
  24 # ifdef __cplusplus
  25 extern "C" {
  26 # endif
  27
  28 /* This function is always triggered when memory is exhausted.
  29    It must be defined by the application, either explicitly
  30    or by using gnulib's xalloc-die module.  This is the
  31    function to call when one wants the program to die because of a
  32    memory allocation failure.  */
  33 extern _Noreturn void xalloc_die (void);
  34
  35 char *xmemdup0 (void const *p, size_t s);
  36
  37 # ifdef __cplusplus
  38 }
  39 # endif
  40
  41 #endif /* !XMEMDUP0_H_ */