1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 1993 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 28 29 #include <stdio.h> 30 #include <stdlib.h> 31 #include <unistd.h> 32 #include <limits.h> 33 #include <string.h> 34 #include <errno.h> 35 #include <libintl.h> 36 #include <pkglib.h> 37 #include "libadm.h" 38 39 #define ERR_CHDIR "unable to chdir back to <%s>, errno=%d" 40 #define ERR_GETCWD "unable to determine the current working directory, " \ 41 "errno=%d" 42 43 char * 44 flex_device(char *device_name, int dev_ok) 45 { 46 char new_device_name[PATH_MAX]; 47 char *np = device_name; 48 char *cwd = NULL; 49 50 if (!device_name || !*device_name) /* NULL or empty */ 51 return (np); 52 53 if (dev_ok == 1 && listdev(np) != (char **) NULL) /* device.tab */ 54 return (np); 55 56 if (!strncmp(np, "/dev", 4)) /* /dev path */ 57 return (np); 58 59 if ((cwd = getcwd(NULL, PATH_MAX)) == NULL) { 60 progerr(gettext(ERR_GETCWD), errno); 61 exit(99); 62 } 63 64 if (realpath(np, new_device_name) == NULL) { /* path */ 65 if (chdir(cwd) == -1) { 66 progerr(gettext(ERR_CHDIR), cwd, errno); 67 (void) free(cwd); 68 exit(99); 69 } 70 if (*np != '/' && dev_ok == 2) { 71 (void) sprintf(new_device_name, "%s/%s", cwd, np); 72 canonize(new_device_name); 73 if ((np = strdup(new_device_name)) == NULL) 74 np = device_name; 75 } 76 (void) free(cwd); 77 return (np); 78 } 79 80 if (strcmp(np, new_device_name)) { 81 if ((np = strdup(new_device_name)) == NULL) 82 np = device_name; 83 } 84 85 (void) free(cwd); 86 return (np); 87 } 88