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 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
23*0Sstevel@tonic-gate /* All Rights Reserved */
24*0Sstevel@tonic-gate
25*0Sstevel@tonic-gate
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate * Copyright (c) 1997, by Sun Microsystems, Inc.
28*0Sstevel@tonic-gate * All rights reserved.
29*0Sstevel@tonic-gate */
30*0Sstevel@tonic-gate
31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */
32*0Sstevel@tonic-gate /*LINTLIBRARY*/
33*0Sstevel@tonic-gate
34*0Sstevel@tonic-gate /*
35*0Sstevel@tonic-gate * listdev.c
36*0Sstevel@tonic-gate *
37*0Sstevel@tonic-gate * Contains:
38*0Sstevel@tonic-gate * listdev() List attributes defined for a device
39*0Sstevel@tonic-gate */
40*0Sstevel@tonic-gate
41*0Sstevel@tonic-gate /*
42*0Sstevel@tonic-gate * Header files needed:
43*0Sstevel@tonic-gate * <sys/types.h> System Data Types
44*0Sstevel@tonic-gate * <string.h> Standard string definitions
45*0Sstevel@tonic-gate * <devmgmt.h> Device management definitions
46*0Sstevel@tonic-gate * "devtab.h" Local device table definitions
47*0Sstevel@tonic-gate */
48*0Sstevel@tonic-gate
49*0Sstevel@tonic-gate #include <sys/types.h>
50*0Sstevel@tonic-gate #include <string.h>
51*0Sstevel@tonic-gate #include <devmgmt.h>
52*0Sstevel@tonic-gate #include "devtab.h"
53*0Sstevel@tonic-gate #include <stdlib.h>
54*0Sstevel@tonic-gate
55*0Sstevel@tonic-gate /*
56*0Sstevel@tonic-gate * Local Definitions:
57*0Sstevel@tonic-gate */
58*0Sstevel@tonic-gate
59*0Sstevel@tonic-gate
60*0Sstevel@tonic-gate /*
61*0Sstevel@tonic-gate * Local, Static data:
62*0Sstevel@tonic-gate */
63*0Sstevel@tonic-gate
64*0Sstevel@tonic-gate /*
65*0Sstevel@tonic-gate * void sortlist(list)
66*0Sstevel@tonic-gate * char **list
67*0Sstevel@tonic-gate *
68*0Sstevel@tonic-gate * This function sorts a list of character strings
69*0Sstevel@tonic-gate * so that the list is ordered alphabetically.
70*0Sstevel@tonic-gate *
71*0Sstevel@tonic-gate * Arguments:
72*0Sstevel@tonic-gate * list The list to be sorted
73*0Sstevel@tonic-gate *
74*0Sstevel@tonic-gate * Returns: void
75*0Sstevel@tonic-gate */
76*0Sstevel@tonic-gate
77*0Sstevel@tonic-gate static void
sortlist(char ** list)78*0Sstevel@tonic-gate sortlist(char **list) /* List to be sorted */
79*0Sstevel@tonic-gate {
80*0Sstevel@tonic-gate char **pp; /* Pointer to item being sorted */
81*0Sstevel@tonic-gate char **qq;
82*0Sstevel@tonic-gate char **rr;
83*0Sstevel@tonic-gate char *t; /* Temp for swapping pointers */
84*0Sstevel@tonic-gate
85*0Sstevel@tonic-gate /* If the list isn't empty ... */
86*0Sstevel@tonic-gate if (*list) {
87*0Sstevel@tonic-gate
88*0Sstevel@tonic-gate /* Find the last item in the list */
89*0Sstevel@tonic-gate for (pp = list; *pp; pp++)
90*0Sstevel@tonic-gate ;
91*0Sstevel@tonic-gate --pp;
92*0Sstevel@tonic-gate
93*0Sstevel@tonic-gate /*
94*0Sstevel@tonic-gate * Sort 'em by sorting larger and larger portions
95*0Sstevel@tonic-gate * of the list (my CSC101 fails me, I forget what
96*0Sstevel@tonic-gate * this sort is called!) [Where I come from, CS
97*0Sstevel@tonic-gate * is Crop Science...]
98*0Sstevel@tonic-gate */
99*0Sstevel@tonic-gate
100*0Sstevel@tonic-gate while (pp != list) {
101*0Sstevel@tonic-gate qq = pp;
102*0Sstevel@tonic-gate rr = --pp;
103*0Sstevel@tonic-gate while (*qq && (strcmp(*rr, *qq) > 0)) {
104*0Sstevel@tonic-gate t = *rr;
105*0Sstevel@tonic-gate *rr++ = *qq;
106*0Sstevel@tonic-gate *qq++ = t;
107*0Sstevel@tonic-gate }
108*0Sstevel@tonic-gate }
109*0Sstevel@tonic-gate }
110*0Sstevel@tonic-gate }
111*0Sstevel@tonic-gate
112*0Sstevel@tonic-gate /*
113*0Sstevel@tonic-gate * char **listdev(device)
114*0Sstevel@tonic-gate * char *device;
115*0Sstevel@tonic-gate *
116*0Sstevel@tonic-gate * Generate an alphabetized list of attribute names of the
117*0Sstevel@tonic-gate * attributes defined for the device <device>.
118*0Sstevel@tonic-gate *
119*0Sstevel@tonic-gate * Arguments:
120*0Sstevel@tonic-gate * device Device who's attributes are to be listed
121*0Sstevel@tonic-gate *
122*0Sstevel@tonic-gate * Returns: char **
123*0Sstevel@tonic-gate * List of attribute names of the attributes defined for this
124*0Sstevel@tonic-gate * device. (Never empty since all devices have the "alias"
125*0Sstevel@tonic-gate * attribute defined.)
126*0Sstevel@tonic-gate */
127*0Sstevel@tonic-gate
128*0Sstevel@tonic-gate char **
listdev(char * device)129*0Sstevel@tonic-gate listdev(char *device) /* Device to describe */
130*0Sstevel@tonic-gate {
131*0Sstevel@tonic-gate /* Automatic data */
132*0Sstevel@tonic-gate
133*0Sstevel@tonic-gate struct devtabent *devtabent; /* Ptr to devtab entry */
134*0Sstevel@tonic-gate struct attrval *attrval; /* Ptr to attr val pair */
135*0Sstevel@tonic-gate char **list; /* Ptr to alloc'd list */
136*0Sstevel@tonic-gate char **rtnval; /* Value to return */
137*0Sstevel@tonic-gate char **pp; /* Ptr to current val in list */
138*0Sstevel@tonic-gate int noerror; /* FLAG, TRUE if :-) */
139*0Sstevel@tonic-gate int n; /* Temp counter */
140*0Sstevel@tonic-gate
141*0Sstevel@tonic-gate
142*0Sstevel@tonic-gate /* If the device <device> is defined ... */
143*0Sstevel@tonic-gate if (devtabent = _getdevrec(device)) {
144*0Sstevel@tonic-gate
145*0Sstevel@tonic-gate /*
146*0Sstevel@tonic-gate * Count the number of attributes defined for the device
147*0Sstevel@tonic-gate * being sure to count the (char *) NULL that terminates
148*0Sstevel@tonic-gate * the list
149*0Sstevel@tonic-gate */
150*0Sstevel@tonic-gate
151*0Sstevel@tonic-gate n = 1;
152*0Sstevel@tonic-gate if (devtabent->alias) n++; /* Alias, if defined */
153*0Sstevel@tonic-gate if (devtabent->cdevice) n++; /* Char spcl, if defined */
154*0Sstevel@tonic-gate if (devtabent->bdevice) n++; /* Blk spcl, if defined */
155*0Sstevel@tonic-gate if (devtabent->pathname) n++; /* Pathname, if defined */
156*0Sstevel@tonic-gate
157*0Sstevel@tonic-gate /* Other attributes, if any */
158*0Sstevel@tonic-gate if ((attrval = devtabent->attrlist) != NULL) {
159*0Sstevel@tonic-gate do
160*0Sstevel@tonic-gate n++;
161*0Sstevel@tonic-gate while ((attrval = attrval->next) != NULL);
162*0Sstevel@tonic-gate }
163*0Sstevel@tonic-gate noerror = TRUE;
164*0Sstevel@tonic-gate if (list = malloc(n*sizeof (char *))) {
165*0Sstevel@tonic-gate pp = list;
166*0Sstevel@tonic-gate if (devtabent->alias) {
167*0Sstevel@tonic-gate if (*pp = malloc(strlen(DTAB_ALIAS)+1))
168*0Sstevel@tonic-gate (void) strcpy(*pp++, DTAB_ALIAS);
169*0Sstevel@tonic-gate else noerror = FALSE;
170*0Sstevel@tonic-gate }
171*0Sstevel@tonic-gate if (noerror && devtabent->bdevice) {
172*0Sstevel@tonic-gate if (*pp = malloc(strlen(DTAB_BDEVICE)+1))
173*0Sstevel@tonic-gate
174*0Sstevel@tonic-gate (void) strcpy(*pp++, DTAB_BDEVICE);
175*0Sstevel@tonic-gate else noerror = FALSE;
176*0Sstevel@tonic-gate }
177*0Sstevel@tonic-gate if (noerror && devtabent->cdevice) {
178*0Sstevel@tonic-gate if (*pp = malloc(strlen(DTAB_CDEVICE)+1))
179*0Sstevel@tonic-gate
180*0Sstevel@tonic-gate (void) strcpy(*pp++, DTAB_CDEVICE);
181*0Sstevel@tonic-gate else noerror = FALSE;
182*0Sstevel@tonic-gate }
183*0Sstevel@tonic-gate if (noerror && devtabent->pathname) {
184*0Sstevel@tonic-gate if (*pp = malloc(strlen(DTAB_PATHNAME)+1))
185*0Sstevel@tonic-gate
186*0Sstevel@tonic-gate (void) strcpy(*pp++, DTAB_PATHNAME);
187*0Sstevel@tonic-gate else noerror = FALSE;
188*0Sstevel@tonic-gate }
189*0Sstevel@tonic-gate if (noerror && (attrval = devtabent->attrlist)) {
190*0Sstevel@tonic-gate do {
191*0Sstevel@tonic-gate if (*pp = malloc(strlen(attrval->attr)+1))
192*0Sstevel@tonic-gate
193*0Sstevel@tonic-gate (void) strcpy(*pp++, attrval->attr);
194*0Sstevel@tonic-gate else noerror = FALSE;
195*0Sstevel@tonic-gate } while (noerror && (attrval = attrval->next));
196*0Sstevel@tonic-gate }
197*0Sstevel@tonic-gate if (noerror) {
198*0Sstevel@tonic-gate *pp = NULL;
199*0Sstevel@tonic-gate sortlist(list);
200*0Sstevel@tonic-gate rtnval = list;
201*0Sstevel@tonic-gate } else {
202*0Sstevel@tonic-gate for (pp = list; *pp; pp++) free(*pp);
203*0Sstevel@tonic-gate free(list);
204*0Sstevel@tonic-gate rtnval = NULL;
205*0Sstevel@tonic-gate }
206*0Sstevel@tonic-gate } else rtnval = NULL;
207*0Sstevel@tonic-gate } else rtnval = NULL;
208*0Sstevel@tonic-gate
209*0Sstevel@tonic-gate _enddevtab();
210*0Sstevel@tonic-gate
211*0Sstevel@tonic-gate /* Fini */
212*0Sstevel@tonic-gate return (rtnval);
213*0Sstevel@tonic-gate }
214