xref: /openbsd-src/usr.sbin/accton/accton.c (revision 2b0358df1d88d06ef4139321dd05bd5e05d91eaf)
1 /*
2  * Copyright (c) 1988 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. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #ifndef lint
31 char copyright[] =
32 "@(#) Copyright (c) 1988 Regents of the University of California.\n\
33  All rights reserved.\n";
34 #endif /* not lint */
35 
36 #ifndef lint
37 /* from: static char sccsid[] = "@(#)accton.c	4.3 (Berkeley) 6/1/90"; */
38 static char *rcsid = "$Id: accton.c,v 1.7 2003/06/11 23:33:24 deraadt Exp $";
39 #endif /* not lint */
40 
41 #include <sys/types.h>
42 #include <err.h>
43 #include <stdio.h>
44 #include <unistd.h>
45 #include <stdlib.h>
46 #include <string.h>
47 
48 static void usage(void);
49 
50 void
51 usage(void)
52 {
53 	fputs("usage: accton [file]\n", stderr);
54 	exit(1);
55 }
56 
57 int
58 main(int argc, char *argv[])
59 {
60 	int ch;
61 
62 	while ((ch = getopt(argc, argv, "")) != -1)
63 		switch(ch) {
64 		case '?':
65 		default:
66 			usage();
67 		}
68 	argc -= optind;
69 	argv += optind;
70 
71 	switch(argc) {
72 	case 0:
73 		if (acct(NULL))
74 			err(1, NULL);
75 		break;
76 	case 1:
77 		if (acct(*argv))
78 			err(1, "%s", *argv);
79 		break;
80 	default:
81 		usage();
82 	}
83 	exit(0);
84 }
85