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static char rcsid[] = "$Id: xmalloc.c,v 1.1 1999/11/03 20:42:14 golda Exp $";
/*
* xmalloc.c - Memory allocation for Essence system.
*
* Darren Hardy, hardy@cs.colorado.edu, February 1994
*
* ----------------------------------------------------------------------
* Copyright (c) 1994, 1995. All rights reserved.
*
* Mic Bowman of Transarc Corporation.
* Peter Danzig of the University of Southern California.
* Darren R. Hardy of the University of Colorado at Boulder.
* Udi Manber of the University of Arizona.
* Michael F. Schwartz of the University of Colorado at Boulder.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "util.h"
#ifdef MEMORY_LEAKS
#include "leak.h"
#endif
/*
* xmalloc() - same as malloc(3) except if malloc() returns NULL, then
* xmalloc() prints an error message and calls exit(3). So xmalloc()
* always returns non-NULL values.
*/
void *xmalloc(sz)
size_t sz;
{
static void *p;
#ifdef MEMORY_LEAKS
leak_logging = 1;
#endif
if ((p = malloc(sz)) == NULL) {
errorlog("malloc: Out of memory! Exiting...\n");
exit(1);
}
memset(p, '\0', sz); /* NULL out the memory */
return (p);
}
/*
* xfree() - same as free(3).
*/
void xfree(s)
void *s;
{
#ifdef MEMORY_LEAKS
leak_logging = 1;
#endif
if (s != NULL) {
free(s);
}
}
/*
* xrealloc() - same as realloc(3). Exits on error, so always returns
* non-NULL values.
*/
void *xrealloc(s, sz)
void *s;
size_t sz;
{
static void *p;
#ifdef MEMORY_LEAKS
leak_logging = 1;
#endif
if ((p = realloc(s, sz)) == NULL) {
errorlog("realloc: Out of memory! Exiting...\n");
exit(1);
}
return (p);
}
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