xref: /freebsd/cddl/contrib/opensolaris/tools/ctf/common/utils.c (revision 29fc4075e69fd27de0cded313ac6000165d99f8b)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 1998-2001 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #include <err.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 /*LINTLIBRARY*/
37 
38 static const char *pname;
39 
40 #pragma init(getpname)
41 const char *
42 getpname(void)
43 {
44 	const char *p, *q;
45 
46 	if (pname != NULL)
47 		return (pname);
48 
49 	if ((p = getexecname()) != NULL)
50 		q = strrchr(p, '/');
51 	else
52 		q = NULL;
53 
54 	if (q == NULL)
55 		pname = p;
56 	else
57 		pname = q + 1;
58 
59 	return (pname);
60 }
61 
62 void
63 vdie(const char *format, va_list alist)
64 {
65 	vwarn(format, alist);
66 	exit(E_ERROR);
67 }
68 
69 /*PRINTFLIKE1*/
70 void
71 die(const char *format, ...)
72 {
73 	va_list alist;
74 
75 	va_start(alist, format);
76 	vdie(format, alist);
77 	va_end(alist);
78 }
79