1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
23*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */
24*7c478bd9Sstevel@tonic-gate
25*7c478bd9Sstevel@tonic-gate
26*7c478bd9Sstevel@tonic-gate /*
27*7c478bd9Sstevel@tonic-gate * Copyright (c) 1997, by Sun Microsystems, Inc.
28*7c478bd9Sstevel@tonic-gate * All rights reserved.
29*7c478bd9Sstevel@tonic-gate */
30*7c478bd9Sstevel@tonic-gate
31*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.1 */
32*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
33*7c478bd9Sstevel@tonic-gate
34*7c478bd9Sstevel@tonic-gate /*
35*7c478bd9Sstevel@tonic-gate * listdgrp.c
36*7c478bd9Sstevel@tonic-gate *
37*7c478bd9Sstevel@tonic-gate * Contents:
38*7c478bd9Sstevel@tonic-gate * listdgrp() List devices that belong to a device group.
39*7c478bd9Sstevel@tonic-gate */
40*7c478bd9Sstevel@tonic-gate
41*7c478bd9Sstevel@tonic-gate /*
42*7c478bd9Sstevel@tonic-gate * Header files referenced:
43*7c478bd9Sstevel@tonic-gate * <sys/types.h> System Data Types
44*7c478bd9Sstevel@tonic-gate * <errno.h> UNIX and C error definitions
45*7c478bd9Sstevel@tonic-gate * <string.h> String handling definitions
46*7c478bd9Sstevel@tonic-gate * <devmgmt.h> Device management definitions
47*7c478bd9Sstevel@tonic-gate * "devtab.h" Local device table definitions
48*7c478bd9Sstevel@tonic-gate */
49*7c478bd9Sstevel@tonic-gate
50*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
51*7c478bd9Sstevel@tonic-gate #include <errno.h>
52*7c478bd9Sstevel@tonic-gate #include <string.h>
53*7c478bd9Sstevel@tonic-gate #include <stdlib.h>
54*7c478bd9Sstevel@tonic-gate #include <devmgmt.h>
55*7c478bd9Sstevel@tonic-gate #include "devtab.h"
56*7c478bd9Sstevel@tonic-gate
57*7c478bd9Sstevel@tonic-gate /*
58*7c478bd9Sstevel@tonic-gate * Local definitions
59*7c478bd9Sstevel@tonic-gate */
60*7c478bd9Sstevel@tonic-gate
61*7c478bd9Sstevel@tonic-gate
62*7c478bd9Sstevel@tonic-gate /*
63*7c478bd9Sstevel@tonic-gate * Structure definitions:
64*7c478bd9Sstevel@tonic-gate */
65*7c478bd9Sstevel@tonic-gate
66*7c478bd9Sstevel@tonic-gate /*
67*7c478bd9Sstevel@tonic-gate * Local functions referenced
68*7c478bd9Sstevel@tonic-gate */
69*7c478bd9Sstevel@tonic-gate
70*7c478bd9Sstevel@tonic-gate /*
71*7c478bd9Sstevel@tonic-gate * Global Data
72*7c478bd9Sstevel@tonic-gate */
73*7c478bd9Sstevel@tonic-gate
74*7c478bd9Sstevel@tonic-gate /*
75*7c478bd9Sstevel@tonic-gate * Static Data
76*7c478bd9Sstevel@tonic-gate */
77*7c478bd9Sstevel@tonic-gate
78*7c478bd9Sstevel@tonic-gate /*
79*7c478bd9Sstevel@tonic-gate * char **listdgrp(dgroup)
80*7c478bd9Sstevel@tonic-gate * char *dgroup
81*7c478bd9Sstevel@tonic-gate *
82*7c478bd9Sstevel@tonic-gate * List the members of a device group.
83*7c478bd9Sstevel@tonic-gate *
84*7c478bd9Sstevel@tonic-gate * Arguments:
85*7c478bd9Sstevel@tonic-gate * char *dgroup The device group needed
86*7c478bd9Sstevel@tonic-gate *
87*7c478bd9Sstevel@tonic-gate * Returns: char **
88*7c478bd9Sstevel@tonic-gate * A pointer to a list of pointers to char-strings containing
89*7c478bd9Sstevel@tonic-gate * the members of the device group.
90*7c478bd9Sstevel@tonic-gate *
91*7c478bd9Sstevel@tonic-gate * Notes:
92*7c478bd9Sstevel@tonic-gate * - malloc()ed space containing addresses
93*7c478bd9Sstevel@tonic-gate */
94*7c478bd9Sstevel@tonic-gate
95*7c478bd9Sstevel@tonic-gate char **
listdgrp(char * dgroup)96*7c478bd9Sstevel@tonic-gate listdgrp(char *dgroup) /* The device group to list */
97*7c478bd9Sstevel@tonic-gate {
98*7c478bd9Sstevel@tonic-gate /* Automatic data */
99*7c478bd9Sstevel@tonic-gate struct dgrptabent *dgrpent; /* Device group description */
100*7c478bd9Sstevel@tonic-gate struct member *member; /* Device group member */
101*7c478bd9Sstevel@tonic-gate char **listbuf; /* Buffer allocated for addrs */
102*7c478bd9Sstevel@tonic-gate char **rtnval; /* Value to return */
103*7c478bd9Sstevel@tonic-gate char **pp; /* Running ptr through addrs */
104*7c478bd9Sstevel@tonic-gate int noerror; /* Flag, TRUE if all's well */
105*7c478bd9Sstevel@tonic-gate int n; /* Counter */
106*7c478bd9Sstevel@tonic-gate
107*7c478bd9Sstevel@tonic-gate
108*7c478bd9Sstevel@tonic-gate /*
109*7c478bd9Sstevel@tonic-gate * Initializations
110*7c478bd9Sstevel@tonic-gate */
111*7c478bd9Sstevel@tonic-gate
112*7c478bd9Sstevel@tonic-gate /*
113*7c478bd9Sstevel@tonic-gate * Get the record for this device group
114*7c478bd9Sstevel@tonic-gate */
115*7c478bd9Sstevel@tonic-gate
116*7c478bd9Sstevel@tonic-gate if (dgrpent = _getdgrprec(dgroup)) {
117*7c478bd9Sstevel@tonic-gate
118*7c478bd9Sstevel@tonic-gate /* Count the number of members in the device group */
119*7c478bd9Sstevel@tonic-gate n = 1;
120*7c478bd9Sstevel@tonic-gate for (member = dgrpent->membership; member; member = member->next)
121*7c478bd9Sstevel@tonic-gate n++;
122*7c478bd9Sstevel@tonic-gate
123*7c478bd9Sstevel@tonic-gate /* Get space for the list to return */
124*7c478bd9Sstevel@tonic-gate if (listbuf = malloc(n*sizeof (char **))) {
125*7c478bd9Sstevel@tonic-gate
126*7c478bd9Sstevel@tonic-gate /*
127*7c478bd9Sstevel@tonic-gate * For each member in the device group, add that device
128*7c478bd9Sstevel@tonic-gate * name to the list of devices we're building
129*7c478bd9Sstevel@tonic-gate */
130*7c478bd9Sstevel@tonic-gate
131*7c478bd9Sstevel@tonic-gate pp = listbuf;
132*7c478bd9Sstevel@tonic-gate noerror = TRUE;
133*7c478bd9Sstevel@tonic-gate for (member = dgrpent->membership; noerror && member;
134*7c478bd9Sstevel@tonic-gate member = member->next) {
135*7c478bd9Sstevel@tonic-gate
136*7c478bd9Sstevel@tonic-gate if (*pp = malloc(strlen(member->name)+1))
137*7c478bd9Sstevel@tonic-gate
138*7c478bd9Sstevel@tonic-gate (void) strcpy(*pp++, member->name);
139*7c478bd9Sstevel@tonic-gate else noerror = FALSE;
140*7c478bd9Sstevel@tonic-gate }
141*7c478bd9Sstevel@tonic-gate
142*7c478bd9Sstevel@tonic-gate
143*7c478bd9Sstevel@tonic-gate /*
144*7c478bd9Sstevel@tonic-gate * If there's no error, terminate the list we've built.
145*7c478bd9Sstevel@tonic-gate * Otherwise, free the space allocated to the stuff we've built
146*7c478bd9Sstevel@tonic-gate */
147*7c478bd9Sstevel@tonic-gate
148*7c478bd9Sstevel@tonic-gate if (noerror) {
149*7c478bd9Sstevel@tonic-gate *pp = NULL;
150*7c478bd9Sstevel@tonic-gate rtnval = listbuf;
151*7c478bd9Sstevel@tonic-gate } else {
152*7c478bd9Sstevel@tonic-gate /* Some error occurred. Clean up allocations */
153*7c478bd9Sstevel@tonic-gate for (pp = listbuf; *pp; pp++) free(*pp);
154*7c478bd9Sstevel@tonic-gate free(listbuf);
155*7c478bd9Sstevel@tonic-gate rtnval = NULL;
156*7c478bd9Sstevel@tonic-gate }
157*7c478bd9Sstevel@tonic-gate
158*7c478bd9Sstevel@tonic-gate } /* if (malloc()) */
159*7c478bd9Sstevel@tonic-gate
160*7c478bd9Sstevel@tonic-gate /* Free space alloced to the device group entry */
161*7c478bd9Sstevel@tonic-gate _freedgrptabent(dgrpent);
162*7c478bd9Sstevel@tonic-gate
163*7c478bd9Sstevel@tonic-gate } /* if (_getdgrprec()) */
164*7c478bd9Sstevel@tonic-gate else rtnval = NULL;
165*7c478bd9Sstevel@tonic-gate
166*7c478bd9Sstevel@tonic-gate
167*7c478bd9Sstevel@tonic-gate /* Finished -- wasn't that simple? */
168*7c478bd9Sstevel@tonic-gate return (rtnval);
169*7c478bd9Sstevel@tonic-gate }
170