xref: /openbsd/bin/csh/alloc.c (revision 38fe9cb3)
1 /*	$OpenBSD: alloc.c,v 1.13 2014/10/17 06:17:37 deraadt Exp $	*/
2 /*	$NetBSD: alloc.c,v 1.6 1995/03/21 09:02:23 cgd Exp $	*/
3 
4 /*-
5  * Copyright (c) 1983, 1991, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 #include <sys/types.h>
34 #include <unistd.h>
35 #include <stdlib.h>
36 #include <stdarg.h>
37 
38 #include "csh.h"
39 #include "extern.h"
40 
41 ptr_t
42 Malloc(size_t n)
43 {
44     ptr_t   ptr;
45 
46     if ((ptr = malloc(n)) == (ptr_t) 0) {
47 	child++;
48 	stderror(ERR_NOMEM);
49     }
50     return (ptr);
51 }
52 
53 ptr_t
54 Reallocarray(ptr_t p, size_t c, size_t n)
55 {
56     ptr_t   ptr;
57 
58     if ((ptr = reallocarray(p, c, n)) == (ptr_t) 0) {
59 	child++;
60 	stderror(ERR_NOMEM);
61     }
62     return (ptr);
63 }
64 
65 ptr_t
66 Calloc(size_t s, size_t n)
67 {
68     ptr_t   ptr;
69 
70     if ((ptr = calloc(s, n)) == (ptr_t) 0) {
71 	child++;
72 	stderror(ERR_NOMEM);
73     }
74 
75     return (ptr);
76 }
77 
78 void
79 Free(ptr_t p)
80 {
81     if (p)
82 	free(p);
83 }
84