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) 1999-2000 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 <sys/param.h>
30*0Sstevel@tonic-gate #include <libintl.h>
31*0Sstevel@tonic-gate #include <string.h>
32*0Sstevel@tonic-gate #include <stdlib.h>
33*0Sstevel@tonic-gate #include <stdarg.h>
34*0Sstevel@tonic-gate #include <stdio.h>
35*0Sstevel@tonic-gate #include <errno.h>
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate #include "utils.h"
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate static char PNAME_FMT[] = "%s: ";
40*0Sstevel@tonic-gate static char ERRNO_FMT[] = ": %s\n";
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate static char *pname;
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate /*PRINTFLIKE1*/
45*0Sstevel@tonic-gate void
46*0Sstevel@tonic-gate warn(char *format, ...)
47*0Sstevel@tonic-gate {
48*0Sstevel@tonic-gate 	int err = errno;
49*0Sstevel@tonic-gate 	va_list alist;
50*0Sstevel@tonic-gate 	if (pname != NULL)
51*0Sstevel@tonic-gate 		(void) fprintf(stderr, gettext(PNAME_FMT), pname);
52*0Sstevel@tonic-gate 	va_start(alist, format);
53*0Sstevel@tonic-gate 	(void) vfprintf(stderr, format, alist);
54*0Sstevel@tonic-gate 	va_end(alist);
55*0Sstevel@tonic-gate 	if (strchr(format, '\n') == NULL)
56*0Sstevel@tonic-gate 		(void) fprintf(stderr, gettext(ERRNO_FMT), strerror(err));
57*0Sstevel@tonic-gate }
58*0Sstevel@tonic-gate 
59*0Sstevel@tonic-gate /*PRINTFLIKE1*/
60*0Sstevel@tonic-gate void
61*0Sstevel@tonic-gate die(char *format, ...)
62*0Sstevel@tonic-gate {
63*0Sstevel@tonic-gate 	int err = errno;
64*0Sstevel@tonic-gate 	va_list alist;
65*0Sstevel@tonic-gate 
66*0Sstevel@tonic-gate 	if (pname != NULL)
67*0Sstevel@tonic-gate 		(void) fprintf(stderr, gettext(PNAME_FMT), pname);
68*0Sstevel@tonic-gate 	va_start(alist, format);
69*0Sstevel@tonic-gate 	(void) vfprintf(stderr, format, alist);
70*0Sstevel@tonic-gate 	va_end(alist);
71*0Sstevel@tonic-gate 	if (strchr(format, '\n') == NULL)
72*0Sstevel@tonic-gate 		(void) fprintf(stderr, gettext(ERRNO_FMT), strerror(err));
73*0Sstevel@tonic-gate 	exit(E_ERROR);
74*0Sstevel@tonic-gate }
75*0Sstevel@tonic-gate 
76*0Sstevel@tonic-gate char *
77*0Sstevel@tonic-gate setprogname(char *arg0)
78*0Sstevel@tonic-gate {
79*0Sstevel@tonic-gate 	char *p = strrchr(arg0, '/');
80*0Sstevel@tonic-gate 
81*0Sstevel@tonic-gate 	if (p == NULL)
82*0Sstevel@tonic-gate 		p = arg0;
83*0Sstevel@tonic-gate 	else
84*0Sstevel@tonic-gate 		p++;
85*0Sstevel@tonic-gate 	pname = p;
86*0Sstevel@tonic-gate 	return (pname);
87*0Sstevel@tonic-gate }
88*0Sstevel@tonic-gate 
89*0Sstevel@tonic-gate int
90*0Sstevel@tonic-gate valid_abspath(char *p)
91*0Sstevel@tonic-gate {
92*0Sstevel@tonic-gate 	if (p[0] != '/') {
93*0Sstevel@tonic-gate 		die(gettext("%s is not an absolute pathname\n"), p);
94*0Sstevel@tonic-gate 	}
95*0Sstevel@tonic-gate 	if (strlen(p) > MAXPATHLEN) {
96*0Sstevel@tonic-gate 		errno = ENAMETOOLONG;
97*0Sstevel@tonic-gate 		return (0);
98*0Sstevel@tonic-gate 	}
99*0Sstevel@tonic-gate 	return (1);
100*0Sstevel@tonic-gate }
101