xref: /onnv-gate/usr/src/tools/ctf/common/utils.c (revision 0:68f95e015346)
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 (c) 1998-2001 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
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 #include <string.h>
30*0Sstevel@tonic-gate #include <stdlib.h>
31*0Sstevel@tonic-gate #include <stdarg.h>
32*0Sstevel@tonic-gate #include <stdio.h>
33*0Sstevel@tonic-gate #include <errno.h>
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate #include "utils.h"
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate /*LINTLIBRARY*/
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate static const char *pname;
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate #pragma init(getpname)
42*0Sstevel@tonic-gate const char *
getpname(void)43*0Sstevel@tonic-gate getpname(void)
44*0Sstevel@tonic-gate {
45*0Sstevel@tonic-gate 	const char *p, *q;
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate 	if (pname != NULL)
48*0Sstevel@tonic-gate 		return (pname);
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate 	if ((p = getexecname()) != NULL)
51*0Sstevel@tonic-gate 		q = strrchr(p, '/');
52*0Sstevel@tonic-gate 	else
53*0Sstevel@tonic-gate 		q = NULL;
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate 	if (q == NULL)
56*0Sstevel@tonic-gate 		pname = p;
57*0Sstevel@tonic-gate 	else
58*0Sstevel@tonic-gate 		pname = q + 1;
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate 	return (pname);
61*0Sstevel@tonic-gate }
62*0Sstevel@tonic-gate 
63*0Sstevel@tonic-gate void
vwarn(const char * format,va_list alist)64*0Sstevel@tonic-gate vwarn(const char *format, va_list alist)
65*0Sstevel@tonic-gate {
66*0Sstevel@tonic-gate 	int err = errno;
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate 	if (pname != NULL)
69*0Sstevel@tonic-gate 		(void) fprintf(stderr, "%s: ", pname);
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate 	(void) vfprintf(stderr, format, alist);
72*0Sstevel@tonic-gate 
73*0Sstevel@tonic-gate 	if (strchr(format, '\n') == NULL)
74*0Sstevel@tonic-gate 		(void) fprintf(stderr, ": %s\n", strerror(err));
75*0Sstevel@tonic-gate }
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate /*PRINTFLIKE1*/
78*0Sstevel@tonic-gate void
warn(const char * format,...)79*0Sstevel@tonic-gate warn(const char *format, ...)
80*0Sstevel@tonic-gate {
81*0Sstevel@tonic-gate 	va_list alist;
82*0Sstevel@tonic-gate 
83*0Sstevel@tonic-gate 	va_start(alist, format);
84*0Sstevel@tonic-gate 	vwarn(format, alist);
85*0Sstevel@tonic-gate 	va_end(alist);
86*0Sstevel@tonic-gate }
87*0Sstevel@tonic-gate 
88*0Sstevel@tonic-gate void
vdie(const char * format,va_list alist)89*0Sstevel@tonic-gate vdie(const char *format, va_list alist)
90*0Sstevel@tonic-gate {
91*0Sstevel@tonic-gate 	vwarn(format, alist);
92*0Sstevel@tonic-gate 	exit(E_ERROR);
93*0Sstevel@tonic-gate }
94*0Sstevel@tonic-gate 
95*0Sstevel@tonic-gate /*PRINTFLIKE1*/
96*0Sstevel@tonic-gate void
die(const char * format,...)97*0Sstevel@tonic-gate die(const char *format, ...)
98*0Sstevel@tonic-gate {
99*0Sstevel@tonic-gate 	va_list alist;
100*0Sstevel@tonic-gate 
101*0Sstevel@tonic-gate 	va_start(alist, format);
102*0Sstevel@tonic-gate 	vdie(format, alist);
103*0Sstevel@tonic-gate 	va_end(alist);
104*0Sstevel@tonic-gate }
105