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      1 /*	$NetBSD: accton.c,v 1.12 2011/08/29 20:38:54 joerg Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1988, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #ifndef lint
     34 __COPYRIGHT("@(#) Copyright (c) 1988, 1993\
     35  The Regents of the University of California.  All rights reserved.");
     36 #endif /* not lint */
     37 
     38 #ifndef lint
     39 #if 0
     40 static char sccsid[] = "@(#)accton.c	8.1 (Berkeley) 6/6/93";
     41 #else
     42 __RCSID("$NetBSD: accton.c,v 1.12 2011/08/29 20:38:54 joerg Exp $");
     43 #endif
     44 #endif /* not lint */
     45 
     46 #include <sys/types.h>
     47 #include <err.h>
     48 #include <errno.h>
     49 #include <unistd.h>
     50 #include <stdlib.h>
     51 #include <stdio.h>
     52 #include <string.h>
     53 
     54 __dead static void	usage(void);
     55 
     56 int
     57 main(int argc, char **argv)
     58 {
     59 	int ch;
     60 
     61 	while ((ch = getopt(argc, argv, "")) != -1)
     62 		switch(ch) {
     63 		case '?':
     64 		default:
     65 			usage();
     66 		}
     67 	argc -= optind;
     68 	argv += optind;
     69 
     70 	switch(argc) {
     71 	case 0:
     72 		if (acct(NULL))
     73 			err(1, "acct");
     74 		break;
     75 	case 1:
     76 		if (acct(*argv))
     77 			err(1, "acct `%s'", *argv);
     78 		break;
     79 	default:
     80 		usage();
     81 	}
     82 	exit(0);
     83 }
     84 
     85 static void
     86 usage(void)
     87 {
     88 
     89 	(void)fprintf(stderr, "usage: %s [file]\n", getprogname());
     90 	exit(1);
     91 }
     92