1 /*-
2  * Copyright (c) 2007 Pawel Jakub Dawidek <[email protected]>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <sys/param.h>
31 #include <sys/ioctl.h>
32 #include <stdio.h>
33 #include <unistd.h>
34 #include <string.h>
35 #include <errno.h>
36 #include <libgeom.h>
37 #include <devid.h>
38 
39 int
devid_str_decode(char * devidstr,ddi_devid_t * retdevid,char ** retminor_name)40 devid_str_decode(char *devidstr, ddi_devid_t *retdevid, char **retminor_name)
41 {
42 
43 	if (strlcpy(retdevid->devid, devidstr, sizeof(retdevid->devid)) >=
44 	    sizeof(retdevid->devid)) {
45 		return (EINVAL);
46 	}
47 	*retminor_name = strdup("");
48 	if (*retminor_name == NULL)
49 		return (ENOMEM);
50 	return (0);
51 }
52 
53 int
devid_deviceid_to_nmlist(char * search_path,ddi_devid_t devid,char * minor_name,devid_nmlist_t ** retlist)54 devid_deviceid_to_nmlist(char *search_path, ddi_devid_t devid, char *minor_name,
55     devid_nmlist_t **retlist)
56 {
57 	char path[MAXPATHLEN];
58 	char *dst;
59 
60 	if (g_get_name(devid.devid, path, sizeof(path)) == -1)
61 		return (errno);
62 	*retlist = malloc(sizeof(**retlist));
63 	if (*retlist == NULL)
64 		return (ENOMEM);
65 	if (strlcpy((*retlist)[0].devname, path,
66 	    sizeof((*retlist)[0].devname)) >= sizeof((*retlist)[0].devname)) {
67 		free(*retlist);
68 		return (ENAMETOOLONG);
69 	}
70 	return (0);
71 }
72 
73 void
devid_str_free(char * str)74 devid_str_free(char *str)
75 {
76 
77 	free(str);
78 }
79 
80 void
devid_free(ddi_devid_t devid)81 devid_free(ddi_devid_t devid)
82 {
83 	/* Do nothing. */
84 }
85 
86 void
devid_free_nmlist(devid_nmlist_t * list)87 devid_free_nmlist(devid_nmlist_t *list)
88 {
89 
90 	free(list);
91 }
92 
93 int
devid_get(int fd,ddi_devid_t * retdevid)94 devid_get(int fd, ddi_devid_t *retdevid)
95 {
96 
97 	return (ENOENT);
98 }
99 
100 int
devid_get_minor_name(int fd,char ** retminor_name)101 devid_get_minor_name(int fd, char **retminor_name)
102 {
103 
104 	*retminor_name = strdup("");
105 	if (*retminor_name == NULL)
106 		return (ENOMEM);
107 	return (0);
108 }
109 
110 char *
devid_str_encode(ddi_devid_t devid,char * minor_name)111 devid_str_encode(ddi_devid_t devid, char *minor_name)
112 {
113 
114 	return (strdup(devid.devid));
115 }
116