/ util / abuild / getopt.c
getopt.c
 1  /*
 2  Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
 3  	The DragonFly Project.  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  
 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
13     the documentation and/or other materials provided with the
14     distribution.
15  3. Neither the name of The DragonFly Project nor the names of its
16     contributors may be used to endorse or promote products derived
17     from this software without specific, prior written permission.
18  
19  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
22  FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
23  COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
24  INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
25  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
27  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
29  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  SUCH DAMAGE.
31  */
32  
33  /* $FreeBSD: src/usr.bin/getopt/getopt.c,v 1.4.2.2 2001/07/30 10:16:38 dd Exp $ */
34  /* $DragonFly: src/usr.bin/getopt/getopt.c,v 1.4 2004/10/23 13:33:36 eirikn Exp $ */
35  
36  #include <stdio.h>
37  #include <stdlib.h>
38  #include <unistd.h>
39  
40  int
41  main(int argc, char **argv)
42  {
43  	int c;
44  	int status = 0;
45  
46  	optind = 2;	/* Past the program name and the option letters. */
47  	while ((c = getopt(argc, argv, argv[1])) != -1)
48  		switch (c) {
49  		case '?':
50  			status = 1;	/* getopt routine gave message */
51  			break;
52  		default:
53  			if (optarg != NULL)
54  				printf(" -%c %s", c, optarg);
55  			else
56  				printf(" -%c", c);
57  			break;
58  		}
59  	printf(" --");
60  	for (; optind < argc; optind++)
61  		printf(" %s", argv[optind]);
62  	printf("\n");
63  	return(status);
64  }