kbx/keybox-util.c

   1 /* keybox-util.c - Utility functions for Keybox
   2  *      Copyright (C) 2001 Free Software Foundation, Inc.
   3  *
   4  * This file is part of GnuPG.
   5  *
   6  * GnuPG is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * GnuPG is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  19  */
  20
  21 #include <config.h>
  22 #include <stdlib.h>
  23 #include <stdio.h>
  24 #include <string.h>
  25
  26 #include "keybox-defs.h"
  27
  28
  29 static void *(*alloc_func)(size_t n) = malloc;
  30 static void *(*realloc_func)(void *p, size_t n) = realloc;
  31 static void (*free_func)(void*) = free;
  32
  33
  34
  35 void
  36 keybox_set_malloc_hooks ( void *(*new_alloc_func)(size_t n),
  37                           void *(*new_realloc_func)(void *p, size_t n),
  38                           void (*new_free_func)(void*) )
  39 {
  40   alloc_func        = new_alloc_func;
  41   realloc_func      = new_realloc_func;
  42   free_func         = new_free_func;
  43 }
  44
  45 void *
  46 _keybox_malloc (size_t n)
  47 {
  48   return alloc_func (n);
  49 }
  50
  51 void *
  52 _keybox_realloc (void *a, size_t n)
  53 {
  54   return realloc_func (a, n);
  55 }
  56
  57 void *
  58 _keybox_calloc (size_t n, size_t m)
  59 {
  60   void *p = _keybox_malloc (n*m);
  61   if (p)
  62     memset (p, 0, n* m);
  63   return p;
  64 }
  65
  66 void
  67 _keybox_free (void *p)
  68 {
  69   if (p)
  70     free_func (p);
  71 }
  72