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 1993 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27
28
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <unistd.h>
32 #include <limits.h>
33 #include <string.h>
34 #include <errno.h>
35 #include <libintl.h>
36 #include <pkglib.h>
37 #include "libadm.h"
38
39 #define ERR_CHDIR "unable to chdir back to <%s>, errno=%d"
40 #define ERR_GETCWD "unable to determine the current working directory, " \
41 "errno=%d"
42
43 char *
flex_device(char * device_name,int dev_ok)44 flex_device(char *device_name, int dev_ok)
45 {
46 char new_device_name[PATH_MAX];
47 char *np = device_name;
48 char *cwd = NULL;
49
50 if (!device_name || !*device_name) /* NULL or empty */
51 return (np);
52
53 if (dev_ok == 1 && listdev(np) != (char **) NULL) /* device.tab */
54 return (np);
55
56 if (!strncmp(np, "/dev", 4)) /* /dev path */
57 return (np);
58
59 if ((cwd = getcwd(NULL, PATH_MAX)) == NULL) {
60 progerr(gettext(ERR_GETCWD), errno);
61 exit(99);
62 }
63
64 if (realpath(np, new_device_name) == NULL) { /* path */
65 if (chdir(cwd) == -1) {
66 progerr(gettext(ERR_CHDIR), cwd, errno);
67 (void) free(cwd);
68 exit(99);
69 }
70 if (*np != '/' && dev_ok == 2) {
71 (void) sprintf(new_device_name, "%s/%s", cwd, np);
72 canonize(new_device_name);
73 if ((np = strdup(new_device_name)) == NULL)
74 np = device_name;
75 }
76 (void) free(cwd);
77 return (np);
78 }
79
80 if (strcmp(np, new_device_name)) {
81 if ((np = strdup(new_device_name)) == NULL)
82 np = device_name;
83 }
84
85 (void) free(cwd);
86 return (np);
87 }
88