xref: /aosp_15_r20/external/sg3_utils/getopt_long/getopt.h (revision 44704f698541f6367e81f991ef8bb54ccbf3fc18)
1 /*	$NetBSD: getopt.h,v 1.7 2005/02/03 04:39:32 perry Exp $	*/
2 
3 /*-
4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Dieter Baron and Thomas Klausner.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*
40  * modified May 12, 2005 by Jim Basney <[email protected]>
41  *
42  * removed #include of non-POSIX <sys/cdefs.h> and <sys/featuretest.h>
43  * removed references to _NETBSD_SOURCE and HAVE_NBTOOL_CONFIG_H
44  * added #if !HAVE_GETOPT_LONG
45  * removed __BEGIN_DECLS and __END_DECLS
46  */
47 
48 #ifndef _MYPROXY_GETOPT_H_
49 #define _MYPROXY_GETOPT_H_
50 
51 #if !HAVE_GETOPT_LONG
52 
53 #include <unistd.h>
54 
55 /*
56  * Gnu like getopt_long() and BSD4.4 getsubopt()/optreset extensions
57  */
58 #define no_argument        0
59 #define required_argument  1
60 #define optional_argument  2
61 
62 extern char *optarg;
63 extern int optind;
64 extern int optopt;
65 extern int opterr;
66 
67 struct option {
68 	/* name of long option */
69 	const char *name;
70 	/*
71 	 * one of no_argument, required_argument, and optional_argument:
72 	 * whether option takes an argument
73 	 */
74 	int has_arg;
75 	/* if not NULL, set *flag to val when option found */
76 	int *flag;
77 	/* if flag not NULL, value to set *flag to; else return value */
78 	int val;
79 };
80 
81 int getopt_long(int, char * const *, const char *,
82     const struct option *, int *);
83 
84 #endif /* !HAVE_GETOPT_LONG */
85 
86 #endif /* !_MYPROXY_GETOPT_H_ */
87