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main.c revision 1.6 
      1 /*	$NetBSD: main.c,v 1.6 2016/09/05 01:09:57 sevan Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2008 The NetBSD Foundation, Inc.
      5  * 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  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 #ifndef lint
     31 __RCSID("$NetBSD: main.c,v 1.6 2016/09/05 01:09:57 sevan Exp $");
     32 #endif /* !lint */
     33 
     34 #include <sys/module.h>
     35 
     36 #include <stdio.h>
     37 #include <stdlib.h>
     38 #include <string.h>
     39 #include <unistd.h>
     40 #include <err.h>
     41 
     42 #include "prog_ops.h"
     43 
     44 static void	usage(void) __dead;
     45 
     46 int
     47 main(int argc, char **argv)
     48 {
     49 	int i;
     50 
     51 	if (argc < 2)
     52 		usage();
     53 
     54 	if (prog_init && prog_init() == -1)
     55 		err(1, "init failed");
     56 
     57 	for (i = 1; i < argc; i++) {
     58 		if (prog_modctl(MODCTL_UNLOAD, argv[i])) {
     59 			err(EXIT_FAILURE, "%s", argv[i]);
     60 		}
     61 	}
     62 
     63 	exit(EXIT_SUCCESS);
     64 }
     65 
     66 static void
     67 usage(void)
     68 {
     69 
     70 	(void)fprintf(stderr, "Usage: %s <module_name ...>\n", getprogname());
     71 	exit(EXIT_FAILURE);
     72 }
     73