/*-
 * Copyright (c) 1999 James Howard
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      $Id$
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include "libiberty.h"


extern char *__progname;

char *name = NULL;

void
xmalloc_set_program_name(n)
	char *n;
{

	name = n;
	return;
}

void *
xmalloc(s)
	size_t s;
{
	if (name == NULL)
		name = __progname;

	return xrealloc(NULL, s);
}

void *
xcalloc(c, s)
	size_t c;
	size_t s;
{
	size_t size;
	void *p;

	size = c * s;

	/* Get some memory */
	p = xmalloc(size);
	
	/* Zero it out */
	return memset(p, 0, size);
}

void *
xrealloc (p, s)
	void *p;
	size_t s;
{
	static size_t last;
	void *r;

	if ((r = reallocf(p, s)) == NULL) {
		fprintf(stderr, 
			"\n%sCan not reallocate %lu bytes after allocating %lu bytes\n",
			name, (unsigned long)s, (unsigned long)last);
		exit(1);
	}
	
	last = s;
	
	return r;
}