1/* 2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23/*- 24 * Copyright (c) 1990, 1993 25 * The Regents of the University of California. All rights reserved. 26 * 27 * Redistribution and use in source and binary forms, with or without 28 * modification, are permitted provided that the following conditions 29 * are met: 30 * 1. Redistributions of source code must retain the above copyright 31 * notice, this list of conditions and the following disclaimer. 32 * 2. Redistributions in binary form must reproduce the above copyright 33 * notice, this list of conditions and the following disclaimer in the 34 * documentation and/or other materials provided with the distribution. 35 * 3. All advertising materials mentioning features or use of this software 36 * must display the following acknowledgement: 37 * This product includes software developed by the University of 38 * California, Berkeley and its contributors. 39 * 4. Neither the name of the University nor the names of its contributors 40 * may be used to endorse or promote products derived from this software 41 * without specific prior written permission. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 46 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 53 * SUCH DAMAGE. 54 */ 55 56/****** 57static char copyright[] = 58"@(#) Copyright (c) 1990, 1993\n\ 59 The Regents of the University of California. All rights reserved.\n"; 60******/ 61 62/****** 63static char sccsid[] = "@(#)dev_mkdb.c 8.1 (Berkeley) 6/6/93"; 64******/ 65 66#include <sys/param.h> 67#include <sys/stat.h> 68 69#include <fcntl.h> 70#undef DIRBLKSIZ 71#include <dirent.h> 72#include <nlist.h> 73#include <db.h> 74#include <errno.h> 75#include <unistd.h> 76#include <stdio.h> 77#include <paths.h> 78#include <stdlib.h> 79#include <string.h> 80 81void err __P((const char *, ...)); 82void usage __P((void)); 83 84int 85main(argc, argv) 86 int argc; 87 char *argv[]; 88{ 89 register DIR *dirp; 90 register struct dirent *dp; 91 struct stat sb; 92 struct { 93 mode_t type; 94 dev_t dev; 95 } bkey; 96 DB *db; 97 DBT data, key; 98 int ch; 99 u_char buf[MAXNAMLEN + 1]; 100 char dbtmp[MAXPATHLEN + 1], dbname[MAXPATHLEN + 1]; 101 102 while ((ch = getopt(argc, argv, "")) != EOF) 103 switch((char)ch) { 104 case '?': 105 default: 106 usage(); 107 } 108 argc -= optind; 109 argv += optind; 110 111 if (argc > 0) 112 usage(); 113 114 if (chdir(_PATH_DEV)) 115 err("%s: %s", _PATH_DEV, strerror(errno)); 116 117 dirp = opendir("."); 118 119 (void)snprintf(dbtmp, sizeof(dbtmp), "%sdev.tmp", _PATH_VARRUN); 120 (void)snprintf(dbname, sizeof(dbtmp), "%sdev.db", _PATH_VARRUN); 121 db = dbopen(dbtmp, O_CREAT|O_EXLOCK|O_RDWR|O_TRUNC, 122 S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH, DB_HASH, NULL); 123 if (db == NULL) 124 err("%s: %s", dbtmp, strerror(errno)); 125 126 /* 127 * Keys are a mode_t followed by a dev_t. The former is the type of 128 * the file (mode & S_IFMT), the latter is the st_rdev field. Note 129 * that the structure may contain padding, so we have to clear it 130 * out here. 131 */ 132 bzero(&bkey, sizeof(bkey)); 133 key.data = &bkey; 134 key.size = sizeof(bkey); 135 data.data = buf; 136 while ((dp = readdir(dirp))) { 137 if (lstat(dp->d_name, &sb)) { 138 (void)fprintf(stderr, 139 "dev_mkdb: %s: %s\n", dp->d_name, strerror(errno)); 140 continue; 141 } 142 143 /* Create the key. */ 144 if (S_ISCHR(sb.st_mode)) 145 bkey.type = S_IFCHR; 146 else if (S_ISBLK(sb.st_mode)) 147 bkey.type = S_IFBLK; 148 else 149 continue; 150 bkey.dev = sb.st_rdev; 151 152 /* 153 * Create the data; nul terminate the name so caller doesn't 154 * have to. 155 */ 156 bcopy(dp->d_name, buf, dp->d_namlen); 157 buf[dp->d_namlen] = '\0'; 158 data.size = dp->d_namlen + 1; 159 if ((db->put)(db, &key, &data, 0)) 160 err("dbput %s: %s\n", dbtmp, strerror(errno)); 161 } 162 (void)(db->close)(db); 163 if (rename(dbtmp, dbname)) 164 err("rename %s to %s: %s", dbtmp, dbname, strerror(errno)); 165 exit(0); 166} 167 168void 169usage() 170{ 171 (void)fprintf(stderr, "usage: dev_mkdb\n"); 172 exit(1); 173} 174 175#if __STDC__ 176#include <stdarg.h> 177#else 178#include <varargs.h> 179#endif 180 181void 182#if __STDC__ 183err(const char *fmt, ...) 184#else 185err(fmt, va_alist) 186 char *fmt; 187 va_dcl 188#endif 189{ 190 va_list ap; 191#if __STDC__ 192 va_start(ap, fmt); 193#else 194 va_start(ap); 195#endif 196 (void)fprintf(stderr, "dev_mkdb: "); 197 (void)vfprintf(stderr, fmt, ap); 198 va_end(ap); 199 (void)fprintf(stderr, "\n"); 200 exit(1); 201 /* NOTREACHED */ 202} 203