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- /*-
- * Copyright (c) 1990 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.
- */
-
- #ifndef lint
- char copyright[] =
- "@(#) Copyright (c) 1990 The Regents of the University of California.\n\
- All rights reserved.\n";
- #endif /* not lint */
-
- #ifndef lint
- static char sccsid[] = "@(#)dev_mkdb.c 5.9 (Berkeley) 5/17/91";
- #endif /* not lint */
-
- #include <sys/param.h>
- #include <sys/stat.h>
- #include <fcntl.h>
- #undef DIRBLKSIZ
- #include <dirent.h>
- #include <nlist.h>
- #include <kvm.h>
- #include <db.h>
- #include <errno.h>
- #include <unistd.h>
- #include <stdio.h>
- #include <paths.h>
- #include <stdlib.h>
- #include <string.h>
-
- void error(), usage();
-
- main(argc, argv)
- int argc;
- char **argv;
- {
- extern int optind;
- 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 (chdir(_PATH_DEV))
- error(_PATH_DEV);
-
- dirp = opendir(".");
-
- (void)snprintf(dbtmp, sizeof(dbtmp), "%s/dev.tmp", _PATH_VARRUN);
- (void)snprintf(dbname, sizeof(dbtmp), "%s/dev.db", _PATH_VARRUN);
- db = hash_open(dbtmp, O_CREAT|O_WRONLY|O_EXCL, DEFFILEMODE,
- (HASHINFO *)NULL);
- if (!db)
- error(dbtmp);
-
- /*
- * 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.
- */
- key.data = &bkey;
- key.size = sizeof(bkey);
- data.data = buf;
- while (dp = readdir(dirp)) {
- if (stat(dp->d_name, &sb)) {
- (void)fprintf(stderr, "dev_mkdb: can't stat %s\n",
- dp->d_name);
- 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))
- error(dbtmp);
- }
- (void)(db->close)(db);
- if (rename(dbtmp, dbname)) {
- (void)fprintf(stderr, "dev_mkdb: %s to %s: %s.\n",
- dbtmp, dbname, strerror(errno));
- exit(1);
- }
- exit(0);
- }
-
- void
- error(n)
- char *n;
- {
- (void)fprintf(stderr, "dev_mkdb: %s: %s\n", n, strerror(errno));
- exit(1);
- }
-
- void
- usage()
- {
- (void)fprintf(stderr, "usage: dev_mkdb\n");
- exit(1);
- }
-