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static char rcsid[] = "$Id: xmalloc.c,v 1.8 1995/02/04 01:37:58 hardy 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.
*
* This copyright notice applies to all code in Harvest other than
* subsystems developed elsewhere, which contain other copyright notices
* in their source text.
*
* The Harvest software was developed by the Internet Research Task
* Force Research Group on Resource Discovery (IRTF-RD). The Harvest
* software may be used for academic, research, government, and internal
* business purposes without charge. If you wish to sell or distribute
* the Harvest software to commercial clients or partners, you must
* license the software. See
* http://harvest.cs.colorado.edu/harvest/copyright,licensing.html#licensing.
*
* The Harvest software is provided ``as is'', without express or
* implied warranty, and with no support nor obligation to assist in its
* use, correction, modification or enhancement. We assume no liability
* with respect to the infringement of copyrights, trade secrets, or any
* patents, and are not responsible for consequential damages. Proper
* use of the Harvest software is entirely the responsibility of the user.
*
* For those who are using Harvest for non-commercial purposes, you may
* make derivative works, subject to the following constraints:
*
* - You must include the above copyright notice and these accompanying
* paragraphs in all forms of derivative works, and any documentation
* and other materials related to such distribution and use acknowledge
* that the software was developed at the above institutions.
*
* - You must notify IRTF-RD regarding your distribution of the
* derivative work.
*
* - You must clearly notify users that your are distributing a modified
* version and not the original Harvest software.
*
* - Any derivative product is also subject to the restrictions of the
* copyright, including distribution and use limitations.
*/
#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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