diff options
Diffstat (limited to 'diskdev_cmds/dev_mkdb.tproj/dev_mkdb.c')
| -rw-r--r-- | diskdev_cmds/dev_mkdb.tproj/dev_mkdb.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/diskdev_cmds/dev_mkdb.tproj/dev_mkdb.c b/diskdev_cmds/dev_mkdb.tproj/dev_mkdb.c new file mode 100644 index 0000000..82c7429 --- /dev/null +++ b/diskdev_cmds/dev_mkdb.tproj/dev_mkdb.c @@ -0,0 +1,202 @@ +/* + * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. + * + * @APPLE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this + * file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_LICENSE_HEADER_END@ + */ +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/****** +static char copyright[] = +"@(#) Copyright (c) 1990, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +******/ + +/****** +static char sccsid[] = "@(#)dev_mkdb.c 8.1 (Berkeley) 6/6/93"; +******/ + +#include <sys/param.h> +#include <sys/stat.h> + +#include <fcntl.h> +#undef DIRBLKSIZ +#include <dirent.h> +#include <nlist.h> +#include <db.h> +#include <errno.h> +#include <unistd.h> +#include <stdio.h> +#include <paths.h> +#include <stdlib.h> +#include <string.h> + +void err __P((const char *, ...)); +void usage __P((void)); + +int +main(argc, argv) + int argc; + char *argv[]; +{ + register DIR *dirp; + register struct dirent *dp; + struct stat sb; + struct { + mode_t type; + dev_t dev; + } bkey; + DB *db; + DBT data, key; + int ch; + u_char buf[MAXNAMLEN + 1]; + char dbtmp[MAXPATHLEN + 1], dbname[MAXPATHLEN + 1]; + + while ((ch = getopt(argc, argv, "")) != EOF) + switch((char)ch) { + case '?': + default: + usage(); + } + argc -= optind; + argv += optind; + + if (argc > 0) + usage(); + + if (chdir(_PATH_DEV)) + err("%s: %s", _PATH_DEV, strerror(errno)); + + dirp = opendir("."); + + (void)snprintf(dbtmp, sizeof(dbtmp), "%sdev.tmp", _PATH_VARRUN); + (void)snprintf(dbname, sizeof(dbtmp), "%sdev.db", _PATH_VARRUN); + db = dbopen(dbtmp, O_CREAT|O_EXLOCK|O_RDWR|O_TRUNC, + S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH, DB_HASH, NULL); + if (db == NULL) + err("%s: %s", dbtmp, strerror(errno)); + + /* + * Keys are a mode_t followed by a dev_t. The former is the type of + * the file (mode & S_IFMT), the latter is the st_rdev field. Note + * that the structure may contain padding, so we have to clear it + * out here. + */ + bzero(&bkey, sizeof(bkey)); + key.data = &bkey; + key.size = sizeof(bkey); + data.data = buf; + while ((dp = readdir(dirp))) { + if (lstat(dp->d_name, &sb)) { + (void)fprintf(stderr, + "dev_mkdb: %s: %s\n", dp->d_name, strerror(errno)); + continue; + } + + /* Create the key. */ + if (S_ISCHR(sb.st_mode)) + bkey.type = S_IFCHR; + else if (S_ISBLK(sb.st_mode)) + bkey.type = S_IFBLK; + else + continue; + bkey.dev = sb.st_rdev; + + /* + * Create the data; nul terminate the name so caller doesn't + * have to. + */ + bcopy(dp->d_name, buf, dp->d_namlen); + buf[dp->d_namlen] = '\0'; + data.size = dp->d_namlen + 1; + if ((db->put)(db, &key, &data, 0)) + err("dbput %s: %s\n", dbtmp, strerror(errno)); + } + (void)(db->close)(db); + if (rename(dbtmp, dbname)) + err("rename %s to %s: %s", dbtmp, dbname, strerror(errno)); + exit(0); +} + +void +usage() +{ + (void)fprintf(stderr, "usage: dev_mkdb\n"); + exit(1); +} + +#if __STDC__ +#include <stdarg.h> +#else +#include <varargs.h> +#endif + +void +#if __STDC__ +err(const char *fmt, ...) +#else +err(fmt, va_alist) + char *fmt; + va_dcl +#endif +{ + va_list ap; +#if __STDC__ + va_start(ap, fmt); +#else + va_start(ap); +#endif + (void)fprintf(stderr, "dev_mkdb: "); + (void)vfprintf(stderr, fmt, ap); + va_end(ap); + (void)fprintf(stderr, "\n"); + exit(1); + /* NOTREACHED */ +} |