1 /* xmalloc.c -- memory allocation including 'out of memory' checks
3 * Copyright 2010 Robin Gareus <robin@gareus.org>
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to deal
7 * in the Software without restriction, including without limitation the rights
8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
26 #include <sys/types.h>
30 static void *xmalloc_fatal(size_t size) {
31 if (size==0) return NULL;
32 fprintf(stderr, "Out of memory.");
36 void *xmalloc (size_t size) {
37 void *ptr = malloc (size);
38 if (ptr == NULL) return xmalloc_fatal(size);
42 void *xcalloc (size_t nmemb, size_t size) {
43 void *ptr = calloc (nmemb, size);
44 if (ptr == NULL) return xmalloc_fatal(nmemb*size);
48 void *xrealloc (void *ptr, size_t size) {
49 void *p = realloc (ptr, size);
50 if (p == NULL) return xmalloc_fatal(size);
54 char *xstrdup (const char *s) {
55 void *ptr = xmalloc(strlen(s)+1);
60 void xfree(void *ptr) {
63 // vi: sts=2 sw=2 ts=2