1/* mp_set_memory_functions -- Set the allocate, reallocate, and free functions
2   for use by the mp package.
3
4Copyright 1991, 1993, 1994, 2000, 2001 Free Software Foundation, Inc.
5
6This file is part of the GNU MP Library.
7
8The GNU MP Library is free software; you can redistribute it and/or modify
9it under the terms of the GNU Lesser General Public License as published by
10the Free Software Foundation; either version 3 of the License, or (at your
11option) any later version.
12
13The GNU MP Library is distributed in the hope that it will be useful, but
14WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
16License for more details.
17
18You should have received a copy of the GNU Lesser General Public License
19along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
20
21#include "gmp.h"
22#include "gmp-impl.h"
23
24void
25mp_set_memory_functions (void *(*alloc_func) (size_t),
26			 void *(*realloc_func) (void *, size_t, size_t),
27			 void (*free_func) (void *, size_t)) __GMP_NOTHROW
28{
29  if (alloc_func == 0)
30    alloc_func = __gmp_default_allocate;
31  if (realloc_func == 0)
32    realloc_func = __gmp_default_reallocate;
33  if (free_func == 0)
34    free_func = __gmp_default_free;
35
36  __gmp_allocate_func = alloc_func;
37  __gmp_reallocate_func = realloc_func;
38  __gmp_free_func = free_func;
39}
40