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xalloc.c revision 1.3
      1  1.3  dsl /*	$NetBSD: xalloc.c,v 1.3 2009/03/14 15:36:04 dsl Exp $	*/
      2  1.1  leo 
      3  1.1  leo /*
      4  1.1  leo  * Copyright (c) 1995 Waldi Ravens.
      5  1.1  leo  * All rights reserved.
      6  1.1  leo  *
      7  1.1  leo  * Redistribution and use in source and binary forms, with or without
      8  1.1  leo  * modification, are permitted provided that the following conditions
      9  1.1  leo  * are met:
     10  1.1  leo  * 1. Redistributions of source code must retain the above copyright
     11  1.1  leo  *    notice, this list of conditions and the following disclaimer.
     12  1.1  leo  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1  leo  *    notice, this list of conditions and the following disclaimer in the
     14  1.1  leo  *    documentation and/or other materials provided with the distribution.
     15  1.1  leo  * 3. All advertising materials mentioning features or use of this software
     16  1.1  leo  *    must display the following acknowledgement:
     17  1.1  leo  *        This product includes software developed by Waldi Ravens.
     18  1.1  leo  * 4. The name of the author may not be used to endorse or promote products
     19  1.1  leo  *    derived from this software without specific prior written permission.
     20  1.1  leo  *
     21  1.1  leo  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  1.1  leo  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  1.1  leo  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  1.1  leo  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  1.1  leo  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  1.1  leo  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  1.1  leo  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  1.1  leo  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  1.1  leo  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  1.1  leo  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  1.1  leo  */
     32  1.1  leo 
     33  1.1  leo #include <stdlib.h>
     34  1.1  leo #include "libtos.h"
     35  1.1  leo 
     36  1.1  leo void *
     37  1.3  dsl xmalloc(size_t size)
     38  1.1  leo {
     39  1.1  leo 	void *	p = malloc(size);
     40  1.1  leo 
     41  1.1  leo 	if (p || !size)
     42  1.1  leo 		return(p);
     43  1.1  leo 	fatal(-1, "Virtual memory exhausted");
     44  1.2  leo 	return NULL; /* Never gets here...*/
     45  1.1  leo }
     46  1.1  leo 
     47  1.1  leo void *
     48  1.3  dsl xrealloc(void *ptr, size_t size)
     49  1.1  leo {
     50  1.1  leo 	void *	p = realloc(ptr, size);
     51  1.1  leo 
     52  1.1  leo 	if (p || !size)
     53  1.1  leo 		return(p);
     54  1.1  leo 	fatal(-1, "Virtual memory exhausted");
     55  1.2  leo 	return NULL; /* Never gets here...*/
     56  1.1  leo }
     57