mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-19 10:53:58 +00:00
bb04461ba0
nonsense to use a mmap'ed file instead and told the DB/hash what we are up to. dev_mkdb could maybe benefit from the same treatment.
120 lines
3.6 KiB
C
120 lines
3.6 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 char copyright[] =
|
|
"@(#) Copyright (c) 1990, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)kvm_mkdb.c 8.1 (Berkeley) 6/6/93";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <db.h>
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <paths.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "extern.h"
|
|
|
|
static void usage __P((void));
|
|
|
|
int
|
|
main(argc, argv)
|
|
int argc;
|
|
char *argv[];
|
|
{
|
|
DB *db;
|
|
int ch;
|
|
char *p, *nlistpath, *nlistname, dbtemp[MAXPATHLEN], dbname[MAXPATHLEN];
|
|
HASHINFO hdefault;
|
|
|
|
while ((ch = getopt(argc, argv, "")) != EOF)
|
|
switch (ch) {
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc > 1)
|
|
usage();
|
|
|
|
/* If the existing db file matches the currently running kernel, exit */
|
|
if (testdb())
|
|
exit(0);
|
|
|
|
#define basename(cp) ((p = rindex((cp), '/')) != NULL ? p + 1 : (cp))
|
|
nlistpath = argc > 0 ? argv[0] : (char *)getbootfile();
|
|
nlistname = basename(nlistpath);
|
|
|
|
(void)snprintf(dbtemp, sizeof(dbtemp), "%skvm_%s.tmp",
|
|
_PATH_VARDB, nlistname);
|
|
(void)snprintf(dbname, sizeof(dbname), "%skvm_%s.db",
|
|
_PATH_VARDB, nlistname);
|
|
(void)umask(0);
|
|
|
|
/* don't handicap db/hash by using the defaults... */
|
|
memset(&hdefault,0,sizeof hdefault);
|
|
hdefault.bsize = NBPG;
|
|
hdefault.cachesize = 50*NBPG;
|
|
hdefault.nelem = 1000;
|
|
|
|
db = dbopen(dbtemp, O_CREAT | O_EXLOCK | O_TRUNC | O_RDWR,
|
|
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH, DB_HASH, &hdefault);
|
|
if (db == NULL)
|
|
err(1, "%s", dbtemp);
|
|
create_knlist(nlistpath, db);
|
|
if (db->close(db))
|
|
err(1, "%s", dbtemp);
|
|
if (rename(dbtemp, dbname))
|
|
err(1, "rename %s to %s", dbtemp, dbname);
|
|
exit(0);
|
|
}
|
|
|
|
void
|
|
usage()
|
|
{
|
|
(void)fprintf(stderr, "usage: kvm_mkdb [file]\n");
|
|
exit(1);
|
|
}
|