1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 2001-2002 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate /*
30*0Sstevel@tonic-gate * Routines for memory management
31*0Sstevel@tonic-gate */
32*0Sstevel@tonic-gate
33*0Sstevel@tonic-gate #include <sys/types.h>
34*0Sstevel@tonic-gate #include <stdio.h>
35*0Sstevel@tonic-gate #include <stdlib.h>
36*0Sstevel@tonic-gate #include <string.h>
37*0Sstevel@tonic-gate #include <strings.h>
38*0Sstevel@tonic-gate
39*0Sstevel@tonic-gate static void
memory_bailout(void)40*0Sstevel@tonic-gate memory_bailout(void)
41*0Sstevel@tonic-gate {
42*0Sstevel@tonic-gate (void) fprintf(stderr, "Out of memory\n");
43*0Sstevel@tonic-gate exit(1);
44*0Sstevel@tonic-gate }
45*0Sstevel@tonic-gate
46*0Sstevel@tonic-gate void *
xmalloc(size_t size)47*0Sstevel@tonic-gate xmalloc(size_t size)
48*0Sstevel@tonic-gate {
49*0Sstevel@tonic-gate void *mem;
50*0Sstevel@tonic-gate
51*0Sstevel@tonic-gate if ((mem = malloc(size)) == NULL)
52*0Sstevel@tonic-gate memory_bailout();
53*0Sstevel@tonic-gate
54*0Sstevel@tonic-gate return (mem);
55*0Sstevel@tonic-gate }
56*0Sstevel@tonic-gate
57*0Sstevel@tonic-gate void *
xcalloc(size_t size)58*0Sstevel@tonic-gate xcalloc(size_t size)
59*0Sstevel@tonic-gate {
60*0Sstevel@tonic-gate void *mem;
61*0Sstevel@tonic-gate
62*0Sstevel@tonic-gate mem = xmalloc(size);
63*0Sstevel@tonic-gate bzero(mem, size);
64*0Sstevel@tonic-gate
65*0Sstevel@tonic-gate return (mem);
66*0Sstevel@tonic-gate }
67*0Sstevel@tonic-gate
68*0Sstevel@tonic-gate char *
xstrdup(const char * str)69*0Sstevel@tonic-gate xstrdup(const char *str)
70*0Sstevel@tonic-gate {
71*0Sstevel@tonic-gate char *newstr;
72*0Sstevel@tonic-gate
73*0Sstevel@tonic-gate if ((newstr = strdup(str)) == NULL)
74*0Sstevel@tonic-gate memory_bailout();
75*0Sstevel@tonic-gate
76*0Sstevel@tonic-gate return (newstr);
77*0Sstevel@tonic-gate }
78*0Sstevel@tonic-gate
79*0Sstevel@tonic-gate char *
xstrndup(char * str,size_t len)80*0Sstevel@tonic-gate xstrndup(char *str, size_t len)
81*0Sstevel@tonic-gate {
82*0Sstevel@tonic-gate char *newstr;
83*0Sstevel@tonic-gate
84*0Sstevel@tonic-gate if ((newstr = malloc(len + 1)) == NULL)
85*0Sstevel@tonic-gate memory_bailout();
86*0Sstevel@tonic-gate
87*0Sstevel@tonic-gate (void) strncpy(newstr, str, len);
88*0Sstevel@tonic-gate newstr[len] = '\0';
89*0Sstevel@tonic-gate
90*0Sstevel@tonic-gate return (newstr);
91*0Sstevel@tonic-gate }
92*0Sstevel@tonic-gate
93*0Sstevel@tonic-gate void *
xrealloc(void * ptr,size_t size)94*0Sstevel@tonic-gate xrealloc(void *ptr, size_t size)
95*0Sstevel@tonic-gate {
96*0Sstevel@tonic-gate void *mem;
97*0Sstevel@tonic-gate
98*0Sstevel@tonic-gate if ((mem = realloc(ptr, size)) == NULL)
99*0Sstevel@tonic-gate memory_bailout();
100*0Sstevel@tonic-gate
101*0Sstevel@tonic-gate return (mem);
102*0Sstevel@tonic-gate }
103