ref: b46c1ef7c4af24ca31095f40819f33a44b151268
dir: /src/xmalloc.c/
/* SoX Memory allocation functions
*
* Copyright (c) 2005-2006 Reuben Thomas. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "sox_i.h"
#include <stdlib.h>
/* Resize an allocated memory area; abort if not possible.
*
* For malloc, `If the size of the space requested is zero, the behavior is
* implementation defined: either a null pointer is returned, or the
* behavior is as if the size were some nonzero value, except that the
* returned pointer shall not be used to access an object'
*/
void *lsx_realloc(void *ptr, size_t newsize)
{
if (ptr && newsize == 0) {
free(ptr);
return NULL;
}
if ((ptr = realloc(ptr, newsize)) == NULL) {
sox_fail("out of memory");
exit(2);
}
return ptr;
}