upstream/1.0.0_cvsrelease/1.0.0_cvs

1 files changed, 155 insertions, 0 deletions

diff --git a/usr.sbin/dev_mkdb/dev_mkdb.c b/usr.sbin/dev_mkdb/dev_mkdb.c
new file mode 100644
index 000000000000..46f9cf7ab274
--- /dev/null
+++ b/usr.sbin/dev_mkdb/dev_mkdb.c
@@ -0,0 +1,155 @@
+/*-
+ * 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 = 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 (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);
+}