diff options
Diffstat (limited to 'usr.sbin/kvm_mkdb/kvm_mkdb.c')
-rw-r--r-- | usr.sbin/kvm_mkdb/kvm_mkdb.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/usr.sbin/kvm_mkdb/kvm_mkdb.c b/usr.sbin/kvm_mkdb/kvm_mkdb.c new file mode 100644 index 0000000..f80b109 --- /dev/null +++ b/usr.sbin/kvm_mkdb/kvm_mkdb.c @@ -0,0 +1,111 @@ +/*- + * 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]; + + 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] : _PATH_UNIX; + 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); + db = dbopen(dbtemp, O_CREAT | O_EXLOCK | O_TRUNC | O_RDWR, + S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH, DB_HASH, NULL); + 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); +} |