154 lines
4.2 KiB
C
154 lines
4.2 KiB
C
/*-
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char copyright[] =
|
|
"@(#) Copyright (c) 1990, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)dev_mkdb.c 8.1 (Berkeley) 6/6/93";
|
|
#endif
|
|
static const char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <db.h>
|
|
#include <dirent.h>
|
|
#include <err.h>
|
|
#include <fcntl.h>
|
|
#include <kvm.h>
|
|
#include <nlist.h>
|
|
#include <paths.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
static 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, "")) != -1)
|
|
switch((char)ch) {
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc > 0)
|
|
usage();
|
|
|
|
if (chdir(_PATH_DEV))
|
|
err(1, "%s", _PATH_DEV);
|
|
|
|
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(1, "%s", 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. 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)) {
|
|
warn("%s", 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))
|
|
err(1, "dbput %s", dbtmp);
|
|
}
|
|
(void)(db->close)(db);
|
|
if (rename(dbtmp, dbname))
|
|
err(1, "rename %s to %s", dbtmp, dbname);
|
|
exit(0);
|
|
}
|
|
|
|
static void
|
|
usage()
|
|
{
|
|
(void)fprintf(stderr, "usage: dev_mkdb\n");
|
|
exit(1);
|
|
}
|