2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 static char copyright[] =
36 "@(#) Copyright (c) 1990, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
41 static char sccsid[] = "@(#)dev_mkdb.c 8.1 (Berkeley) 6/6/93";
44 #include <sys/param.h>
60 void err __P((const char *, ...));
61 void usage __P((void));
69 register struct dirent *dp;
78 u_char buf[MAXNAMLEN + 1];
79 char dbtmp[MAXPATHLEN + 1], dbname[MAXPATHLEN + 1];
81 while ((ch = getopt(argc, argv, "")) != EOF)
94 err("%s: %s", _PATH_DEV, strerror(errno));
98 (void)snprintf(dbtmp, sizeof(dbtmp), "%sdev.tmp", _PATH_VARRUN);
99 (void)snprintf(dbname, sizeof(dbtmp), "%sdev.db", _PATH_VARRUN);
100 db = dbopen(dbtmp, O_CREAT|O_EXLOCK|O_RDWR|O_TRUNC,
101 S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH, DB_HASH, NULL);
103 err("%s: %s", dbtmp, strerror(errno));
106 * Keys are a mode_t followed by a dev_t. The former is the type of
107 * the file (mode & S_IFMT), the latter is the st_rdev field. Note
108 * that the structure may contain padding, so we have to clear it
111 bzero(&bkey, sizeof(bkey));
113 key.size = sizeof(bkey);
115 while (dp = readdir(dirp)) {
116 if (lstat(dp->d_name, &sb)) {
117 (void)fprintf(stderr,
118 "dev_mkdb: %s: %s\n", dp->d_name, strerror(errno));
122 /* Create the key. */
123 if (S_ISCHR(sb.st_mode))
125 else if (S_ISBLK(sb.st_mode))
129 bkey.dev = sb.st_rdev;
132 * Create the data; nul terminate the name so caller doesn't
135 bcopy(dp->d_name, buf, dp->d_namlen);
136 buf[dp->d_namlen] = '\0';
137 data.size = dp->d_namlen + 1;
138 if ((db->put)(db, &key, &data, 0))
139 err("dbput %s: %s\n", dbtmp, strerror(errno));
141 (void)(db->close)(db);
142 if (rename(dbtmp, dbname))
143 err("rename %s to %s: %s", dbtmp, dbname, strerror(errno));
150 (void)fprintf(stderr, "usage: dev_mkdb\n");
162 err(const char *fmt, ...)
175 (void)fprintf(stderr, "dev_mkdb: ");
176 (void)vfprintf(stderr, fmt, ap);
178 (void)fprintf(stderr, "\n");