/*- * 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[] = "from: @(#)dev_mkdb.c 5.9 (Berkeley) 5/17/91";*/ static char rcsid[] = "$Id: dev_mkdb.c,v 1.4 1993/10/22 10:38:33 mycroft Exp $"; #endif /* not lint */ #include #include #include #undef DIRBLKSIZ #include #include #include #include #include #include #include #include #include #include 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 = dbopen(dbtmp, O_CREAT|O_RDWR|O_EXCL, DEFFILEMODE, DB_HASH, (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 (lstat(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); }