xref: /illumos-gate/usr/src/cmd/zpool/zpool_util.c (revision 06e1a714)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <errno.h>
29 #include <libgen.h>
30 #include <libintl.h>
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <strings.h>
34 
35 #include "zpool_util.h"
36 
37 /*
38  * Utility function to guarantee malloc() success.
39  */
40 void *
41 safe_malloc(size_t size)
42 {
43 	void *data;
44 
45 	if ((data = calloc(1, size)) == NULL) {
46 		(void) fprintf(stderr, "internal error: out of memory\n");
47 		exit(1);
48 	}
49 
50 	return (data);
51 }
52 
53 /*
54  * Same as above, but for strdup()
55  */
56 char *
57 safe_strdup(const char *str)
58 {
59 	char *ret;
60 
61 	if ((ret = strdup(str)) == NULL) {
62 		(void) fprintf(stderr, "internal error: out of memory\n");
63 		exit(1);
64 	}
65 
66 	return (ret);
67 }
68 
69 /*
70  * Display an out of memory error message and abort the current program.
71  */
72 void
73 zpool_no_memory(void)
74 {
75 	assert(errno == ENOMEM);
76 	(void) fprintf(stderr,
77 	    gettext("internal error: out of memory\n"));
78 	exit(1);
79 }
80