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 /*LINTLIBRARY*/
32*7c478bd9Sstevel@tonic-gate
33*7c478bd9Sstevel@tonic-gate /*
34*7c478bd9Sstevel@tonic-gate * listdev.c
35*7c478bd9Sstevel@tonic-gate *
36*7c478bd9Sstevel@tonic-gate * Contains:
37*7c478bd9Sstevel@tonic-gate * listdev() List attributes defined for a device
38*7c478bd9Sstevel@tonic-gate */
39*7c478bd9Sstevel@tonic-gate
40*7c478bd9Sstevel@tonic-gate /*
41*7c478bd9Sstevel@tonic-gate * Header files needed:
42*7c478bd9Sstevel@tonic-gate * <sys/types.h> System Data Types
43*7c478bd9Sstevel@tonic-gate * <string.h> Standard string definitions
44*7c478bd9Sstevel@tonic-gate * <devmgmt.h> Device management definitions
45*7c478bd9Sstevel@tonic-gate * "devtab.h" Local device table definitions
46*7c478bd9Sstevel@tonic-gate */
47*7c478bd9Sstevel@tonic-gate
48*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
49*7c478bd9Sstevel@tonic-gate #include <string.h>
50*7c478bd9Sstevel@tonic-gate #include <devmgmt.h>
51*7c478bd9Sstevel@tonic-gate #include "devtab.h"
52*7c478bd9Sstevel@tonic-gate #include <stdlib.h>
53*7c478bd9Sstevel@tonic-gate
54*7c478bd9Sstevel@tonic-gate /*
55*7c478bd9Sstevel@tonic-gate * Local Definitions:
56*7c478bd9Sstevel@tonic-gate */
57*7c478bd9Sstevel@tonic-gate
58*7c478bd9Sstevel@tonic-gate
59*7c478bd9Sstevel@tonic-gate /*
60*7c478bd9Sstevel@tonic-gate * Local, Static data:
61*7c478bd9Sstevel@tonic-gate */
62*7c478bd9Sstevel@tonic-gate
63*7c478bd9Sstevel@tonic-gate /*
64*7c478bd9Sstevel@tonic-gate * void sortlist(list)
65*7c478bd9Sstevel@tonic-gate * char **list
66*7c478bd9Sstevel@tonic-gate *
67*7c478bd9Sstevel@tonic-gate * This function sorts a list of character strings
68*7c478bd9Sstevel@tonic-gate * so that the list is ordered alphabetically.
69*7c478bd9Sstevel@tonic-gate *
70*7c478bd9Sstevel@tonic-gate * Arguments:
71*7c478bd9Sstevel@tonic-gate * list The list to be sorted
72*7c478bd9Sstevel@tonic-gate *
73*7c478bd9Sstevel@tonic-gate * Returns: void
74*7c478bd9Sstevel@tonic-gate */
75*7c478bd9Sstevel@tonic-gate
76*7c478bd9Sstevel@tonic-gate static void
sortlist(char ** list)77*7c478bd9Sstevel@tonic-gate sortlist(char **list) /* List to be sorted */
78*7c478bd9Sstevel@tonic-gate {
79*7c478bd9Sstevel@tonic-gate char **pp; /* Pointer to item being sorted */
80*7c478bd9Sstevel@tonic-gate char **qq;
81*7c478bd9Sstevel@tonic-gate char **rr;
82*7c478bd9Sstevel@tonic-gate char *t; /* Temp for swapping pointers */
83*7c478bd9Sstevel@tonic-gate
84*7c478bd9Sstevel@tonic-gate /* If the list isn't empty ... */
85*7c478bd9Sstevel@tonic-gate if (*list) {
86*7c478bd9Sstevel@tonic-gate
87*7c478bd9Sstevel@tonic-gate /* Find the last item in the list */
88*7c478bd9Sstevel@tonic-gate for (pp = list; *pp; pp++)
89*7c478bd9Sstevel@tonic-gate ;
90*7c478bd9Sstevel@tonic-gate --pp;
91*7c478bd9Sstevel@tonic-gate
92*7c478bd9Sstevel@tonic-gate /*
93*7c478bd9Sstevel@tonic-gate * Sort 'em by sorting larger and larger portions
94*7c478bd9Sstevel@tonic-gate * of the list (my CSC101 fails me, I forget what
95*7c478bd9Sstevel@tonic-gate * this sort is called!) [Where I come from, CS
96*7c478bd9Sstevel@tonic-gate * is Crop Science...]
97*7c478bd9Sstevel@tonic-gate */
98*7c478bd9Sstevel@tonic-gate
99*7c478bd9Sstevel@tonic-gate while (pp != list) {
100*7c478bd9Sstevel@tonic-gate qq = pp;
101*7c478bd9Sstevel@tonic-gate rr = --pp;
102*7c478bd9Sstevel@tonic-gate while (*qq && (strcmp(*rr, *qq) > 0)) {
103*7c478bd9Sstevel@tonic-gate t = *rr;
104*7c478bd9Sstevel@tonic-gate *rr++ = *qq;
105*7c478bd9Sstevel@tonic-gate *qq++ = t;
106*7c478bd9Sstevel@tonic-gate }
107*7c478bd9Sstevel@tonic-gate }
108*7c478bd9Sstevel@tonic-gate }
109*7c478bd9Sstevel@tonic-gate }
110*7c478bd9Sstevel@tonic-gate
111*7c478bd9Sstevel@tonic-gate /*
112*7c478bd9Sstevel@tonic-gate * char **listdev(device)
113*7c478bd9Sstevel@tonic-gate * char *device;
114*7c478bd9Sstevel@tonic-gate *
115*7c478bd9Sstevel@tonic-gate * Generate an alphabetized list of attribute names of the
116*7c478bd9Sstevel@tonic-gate * attributes defined for the device <device>.
117*7c478bd9Sstevel@tonic-gate *
118*7c478bd9Sstevel@tonic-gate * Arguments:
119*7c478bd9Sstevel@tonic-gate * device Device who's attributes are to be listed
120*7c478bd9Sstevel@tonic-gate *
121*7c478bd9Sstevel@tonic-gate * Returns: char **
122*7c478bd9Sstevel@tonic-gate * List of attribute names of the attributes defined for this
123*7c478bd9Sstevel@tonic-gate * device. (Never empty since all devices have the "alias"
124*7c478bd9Sstevel@tonic-gate * attribute defined.)
125*7c478bd9Sstevel@tonic-gate */
126*7c478bd9Sstevel@tonic-gate
127*7c478bd9Sstevel@tonic-gate char **
listdev(char * device)128*7c478bd9Sstevel@tonic-gate listdev(char *device) /* Device to describe */
129*7c478bd9Sstevel@tonic-gate {
130*7c478bd9Sstevel@tonic-gate /* Automatic data */
131*7c478bd9Sstevel@tonic-gate
132*7c478bd9Sstevel@tonic-gate struct devtabent *devtabent; /* Ptr to devtab entry */
133*7c478bd9Sstevel@tonic-gate struct attrval *attrval; /* Ptr to attr val pair */
134*7c478bd9Sstevel@tonic-gate char **list; /* Ptr to alloc'd list */
135*7c478bd9Sstevel@tonic-gate char **rtnval; /* Value to return */
136*7c478bd9Sstevel@tonic-gate char **pp; /* Ptr to current val in list */
137*7c478bd9Sstevel@tonic-gate int noerror; /* FLAG, TRUE if :-) */
138*7c478bd9Sstevel@tonic-gate int n; /* Temp counter */
139*7c478bd9Sstevel@tonic-gate
140*7c478bd9Sstevel@tonic-gate
141*7c478bd9Sstevel@tonic-gate /* If the device <device> is defined ... */
142*7c478bd9Sstevel@tonic-gate if (devtabent = _getdevrec(device)) {
143*7c478bd9Sstevel@tonic-gate
144*7c478bd9Sstevel@tonic-gate /*
145*7c478bd9Sstevel@tonic-gate * Count the number of attributes defined for the device
146*7c478bd9Sstevel@tonic-gate * being sure to count the (char *) NULL that terminates
147*7c478bd9Sstevel@tonic-gate * the list
148*7c478bd9Sstevel@tonic-gate */
149*7c478bd9Sstevel@tonic-gate
150*7c478bd9Sstevel@tonic-gate n = 1;
151*7c478bd9Sstevel@tonic-gate if (devtabent->alias) n++; /* Alias, if defined */
152*7c478bd9Sstevel@tonic-gate if (devtabent->cdevice) n++; /* Char spcl, if defined */
153*7c478bd9Sstevel@tonic-gate if (devtabent->bdevice) n++; /* Blk spcl, if defined */
154*7c478bd9Sstevel@tonic-gate if (devtabent->pathname) n++; /* Pathname, if defined */
155*7c478bd9Sstevel@tonic-gate
156*7c478bd9Sstevel@tonic-gate /* Other attributes, if any */
157*7c478bd9Sstevel@tonic-gate if ((attrval = devtabent->attrlist) != NULL) {
158*7c478bd9Sstevel@tonic-gate do
159*7c478bd9Sstevel@tonic-gate n++;
160*7c478bd9Sstevel@tonic-gate while ((attrval = attrval->next) != NULL);
161*7c478bd9Sstevel@tonic-gate }
162*7c478bd9Sstevel@tonic-gate noerror = TRUE;
163*7c478bd9Sstevel@tonic-gate if (list = malloc(n*sizeof (char *))) {
164*7c478bd9Sstevel@tonic-gate pp = list;
165*7c478bd9Sstevel@tonic-gate if (devtabent->alias) {
166*7c478bd9Sstevel@tonic-gate if (*pp = malloc(strlen(DTAB_ALIAS)+1))
167*7c478bd9Sstevel@tonic-gate (void) strcpy(*pp++, DTAB_ALIAS);
168*7c478bd9Sstevel@tonic-gate else noerror = FALSE;
169*7c478bd9Sstevel@tonic-gate }
170*7c478bd9Sstevel@tonic-gate if (noerror && devtabent->bdevice) {
171*7c478bd9Sstevel@tonic-gate if (*pp = malloc(strlen(DTAB_BDEVICE)+1))
172*7c478bd9Sstevel@tonic-gate
173*7c478bd9Sstevel@tonic-gate (void) strcpy(*pp++, DTAB_BDEVICE);
174*7c478bd9Sstevel@tonic-gate else noerror = FALSE;
175*7c478bd9Sstevel@tonic-gate }
176*7c478bd9Sstevel@tonic-gate if (noerror && devtabent->cdevice) {
177*7c478bd9Sstevel@tonic-gate if (*pp = malloc(strlen(DTAB_CDEVICE)+1))
178*7c478bd9Sstevel@tonic-gate
179*7c478bd9Sstevel@tonic-gate (void) strcpy(*pp++, DTAB_CDEVICE);
180*7c478bd9Sstevel@tonic-gate else noerror = FALSE;
181*7c478bd9Sstevel@tonic-gate }
182*7c478bd9Sstevel@tonic-gate if (noerror && devtabent->pathname) {
183*7c478bd9Sstevel@tonic-gate if (*pp = malloc(strlen(DTAB_PATHNAME)+1))
184*7c478bd9Sstevel@tonic-gate
185*7c478bd9Sstevel@tonic-gate (void) strcpy(*pp++, DTAB_PATHNAME);
186*7c478bd9Sstevel@tonic-gate else noerror = FALSE;
187*7c478bd9Sstevel@tonic-gate }
188*7c478bd9Sstevel@tonic-gate if (noerror && (attrval = devtabent->attrlist)) {
189*7c478bd9Sstevel@tonic-gate do {
190*7c478bd9Sstevel@tonic-gate if (*pp = malloc(strlen(attrval->attr)+1))
191*7c478bd9Sstevel@tonic-gate
192*7c478bd9Sstevel@tonic-gate (void) strcpy(*pp++, attrval->attr);
193*7c478bd9Sstevel@tonic-gate else noerror = FALSE;
194*7c478bd9Sstevel@tonic-gate } while (noerror && (attrval = attrval->next));
195*7c478bd9Sstevel@tonic-gate }
196*7c478bd9Sstevel@tonic-gate if (noerror) {
197*7c478bd9Sstevel@tonic-gate *pp = NULL;
198*7c478bd9Sstevel@tonic-gate sortlist(list);
199*7c478bd9Sstevel@tonic-gate rtnval = list;
200*7c478bd9Sstevel@tonic-gate } else {
201*7c478bd9Sstevel@tonic-gate for (pp = list; *pp; pp++) free(*pp);
202*7c478bd9Sstevel@tonic-gate free(list);
203*7c478bd9Sstevel@tonic-gate rtnval = NULL;
204*7c478bd9Sstevel@tonic-gate }
205*7c478bd9Sstevel@tonic-gate } else rtnval = NULL;
206*7c478bd9Sstevel@tonic-gate } else rtnval = NULL;
207*7c478bd9Sstevel@tonic-gate
208*7c478bd9Sstevel@tonic-gate _enddevtab();
209*7c478bd9Sstevel@tonic-gate
210*7c478bd9Sstevel@tonic-gate /* Fini */
211*7c478bd9Sstevel@tonic-gate return (rtnval);
212*7c478bd9Sstevel@tonic-gate }
213