xref: /netbsd-src/usr.sbin/kvm_mkdb/kvm_mkdb.c (revision cda4f8f6ee55684e8d311b86c99ea59191e6b74f)
1 /*-
2  * Copyright (c) 1990 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #ifndef lint
35 char copyright[] =
36 "@(#) Copyright (c) 1990 The Regents of the University of California.\n\
37  All rights reserved.\n";
38 #endif /* not lint */
39 
40 #ifndef lint
41 static char sccsid[] = "@(#)kvm_mkdb.c	5.11 (Berkeley) 4/27/91";
42 #endif /* not lint */
43 
44 #include <sys/param.h>
45 #include <sys/stat.h>
46 #include <fcntl.h>
47 #include <db.h>
48 #include <errno.h>
49 #include <stdio.h>
50 #include <string.h>
51 #include <paths.h>
52 
53 char *tmp;
54 #define basename(cp)	((tmp=rindex((cp), '/')) ? tmp+1 : (cp))
55 
56 main(argc, argv)
57 	int argc;
58 	char **argv;
59 {
60 	extern int optind;
61 	DB *db;
62 	int ch;
63 	char *nlistpath, *nlistname, dbtemp[MAXPATHLEN], dbname[MAXPATHLEN];
64 
65 	while ((ch = getopt(argc, argv, "")) != EOF)
66 		switch((char)ch) {
67 		case '?':
68 		default:
69 			usage();
70 		}
71 	argc -= optind;
72 	argv += optind;
73 
74 	nlistpath = argc > 0 ? argv[0] : _PATH_UNIX;
75 	nlistname = basename(nlistpath);
76 
77 	(void)sprintf(dbtemp, "%s/kvm_%s.tmp", _PATH_VARRUN, nlistname);
78 	(void)sprintf(dbname, "%s/kvm_%s.db", _PATH_VARRUN, nlistname);
79 	(void)umask(0);
80 	db = dbopen(dbtemp, O_CREAT|O_RDWR|O_EXCL,
81 	    S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH, DB_HASH, NULL);
82 	if (!db) {
83 		(void)fprintf(stderr,
84 		    "kvm_mkdb: %s: %s\n", dbtemp, strerror(errno));
85 		exit(1);
86 	}
87 	create_knlist(nlistpath, db);
88 	(void)(db->close)(db);
89 	if (rename(dbtemp, dbname)) {
90 		(void)fprintf(stderr, "kvm_mkdb: %s to %s: %s.\n",
91 		    dbtemp, dbname, strerror(errno));
92 		exit(1);
93 	}
94 	exit(0);
95 }
96 
97 error(n)
98 	char *n;
99 {
100 	int sverr;
101 
102 	sverr = errno;
103 	(void)fprintf(stderr, "kvm_mkdb: ");
104 	if (n)
105 		(void)fprintf(stderr, "%s: ", n);
106 	(void)fprintf(stderr, "%s\n", strerror(sverr));
107 	exit(1);
108 }
109 
110 usage()
111 {
112 	(void)fprintf(stderr, "usage: kvm_mkdb [file]\n");
113 	exit(1);
114 }
115