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 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 ** 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