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