xref: /illumos-gate/usr/src/cmd/rctladm/utils.c (revision f3041bfa)
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 /*
23  * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
24  */
25 
26 #include <sys/param.h>
27 #include <libintl.h>
28 #include <string.h>
29 #include <stdlib.h>
30 #include <stdarg.h>
31 #include <stdio.h>
32 #include <errno.h>
33 
34 #include "utils.h"
35 
36 static char PNAME_FMT[] = "%s: ";
37 static char ERRNO_FMT[] = ": %s\n";
38 
39 static char *pname;
40 
41 /*PRINTFLIKE1*/
42 void
43 warn(const char *format, ...)
44 {
45 	int err = errno;
46 	va_list alist;
47 	if (pname != NULL)
48 		(void) fprintf(stderr, gettext(PNAME_FMT), pname);
49 	va_start(alist, format);
50 	(void) vfprintf(stderr, format, alist);
51 	va_end(alist);
52 	if (strchr(format, '\n') == NULL)
53 		(void) fprintf(stderr, gettext(ERRNO_FMT), strerror(err));
54 }
55 
56 /*PRINTFLIKE1*/
57 void
58 die(char *format, ...)
59 {
60 	int err = errno;
61 	va_list alist;
62 
63 	if (pname != NULL)
64 		(void) fprintf(stderr, gettext(PNAME_FMT), pname);
65 	va_start(alist, format);
66 	(void) vfprintf(stderr, format, alist);
67 	va_end(alist);
68 	if (strchr(format, '\n') == NULL)
69 		(void) fprintf(stderr, gettext(ERRNO_FMT), strerror(err));
70 	exit(E_ERROR);
71 }
72 
73 char *
74 setpname(char *arg0)
75 {
76 	char *p = strrchr(arg0, '/');
77 
78 	if (p == NULL)
79 		p = arg0;
80 	else
81 		p++;
82 	pname = p;
83 	return (pname);
84 }
85