lib/gnutls_mem.c

   1 /*
   2  *      Copyright (C) 2001,2002 Nikos Mavroyanopoulos
   3  *
   4  * This file is part of GNUTLS.
   5  *
   6  *  The GNUTLS library is free software; you can redistribute it and/or
   7  *  modify it under the terms of the GNU Lesser General Public
   8  *  License as published by the Free Software Foundation; either
   9  *  version 2.1 of the License, or (at your option) any later version.
  10  *
  11  *  This library 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 GNU
  14  *  Lesser General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU Lesser General Public
  17  *  License along with this library; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
  19  *
  20  */
  21
  22 #include <gnutls_int.h>
  23 #include <gnutls_errors.h>
  24 #include <gnutls_num.h>
  25
  26 void* (*gnutls_secure_malloc)(size_t) = malloc;
  27 void* (*gnutls_malloc)(size_t) = malloc;
  28 void (*gnutls_free)(void*) = free;
  29
  30 int _gnutls_is_secure_mem_null( const void* ign) { return 0; }
  31
  32 int (*_gnutls_is_secure_memory)(const void*) = _gnutls_is_secure_mem_null;
  33 void* (*gnutls_realloc)(void*, size_t) = realloc;
  34
  35
  36 void *gnutls_calloc(size_t nmemb, size_t size)
  37 {
  38         void *ret;
  39         ret = gnutls_malloc(size);
  40         if (ret == NULL)
  41                 return ret;
  42
  43         memset(ret, 0, size);
  44
  45         return ret;
  46 }
  47
  48 svoid *gnutls_secure_calloc(size_t nmemb, size_t size)
  49 {
  50         svoid *ret;
  51         ret = gnutls_secure_malloc(size);
  52         if (ret == NULL)
  53                 return ret;
  54
  55         memset(ret, 0, size);
  56
  57         return ret;
  58 }
  59
  60 char *gnutls_strdup(const char *s)
  61 {
  62         int size = strlen(s);
  63         char *ret;
  64
  65         ret = gnutls_malloc(size + 1);  /* hold null */
  66         if (ret == NULL)
  67                 return ret;
  68
  69         strcpy(ret, s); /* Flawfinder: ignore */
  70
  71         return ret;
  72 }
  73