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