xref: /openbsd/usr.sbin/accton/accton.c (revision a2316026)
1 /*	$OpenBSD: accton.c,v 1.9 2022/12/30 18:47:45 cheloha Exp $	*/
2 /*
3  * Copyright (c) 1988 Regents of the University of California.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. Neither the name of the University nor the names of its contributors
15  *    may be used to endorse or promote products derived from this software
16  *    without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 #include <sys/types.h>
32 #include <err.h>
33 #include <stdio.h>
34 #include <unistd.h>
35 #include <stdlib.h>
36 #include <string.h>
37 
38 static void usage(void);
39 
40 void
usage(void)41 usage(void)
42 {
43 	fputs("usage: accton [file]\n", stderr);
44 	exit(1);
45 }
46 
47 int
main(int argc,char * argv[])48 main(int argc, char *argv[])
49 {
50 	int ch;
51 
52 	while ((ch = getopt(argc, argv, "")) != -1)
53 		switch(ch) {
54 		case '?':
55 		default:
56 			usage();
57 		}
58 	argc -= optind;
59 	argv += optind;
60 
61 	switch(argc) {
62 	case 0:
63 		if (acct(NULL))
64 			err(1, NULL);
65 		break;
66 	case 1:
67 		if (acct(*argv))
68 			err(1, "%s", *argv);
69 		break;
70 	default:
71 		usage();
72 	}
73 	exit(0);
74 }
75