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| 1 | +/* $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $ */ |
| 2 | +/* $FreeBSD$ */ |
| 3 | + |
| 4 | +/*- |
| 5 | + * Copyright (c) 2000 The NetBSD Foundation, Inc. |
| 6 | + * All rights reserved. |
| 7 | + * |
| 8 | + * This code is derived from software contributed to The NetBSD Foundation |
| 9 | + * by Dieter Baron and Thomas Klausner. |
| 10 | + * |
| 11 | + * Redistribution and use in source and binary forms, with or without |
| 12 | + * modification, are permitted provided that the following conditions |
| 13 | + * are met: |
| 14 | + * 1. Redistributions of source code must retain the above copyright |
| 15 | + * notice, this list of conditions and the following disclaimer. |
| 16 | + * 2. Redistributions in binary form must reproduce the above copyright |
| 17 | + * notice, this list of conditions and the following disclaimer in the |
| 18 | + * documentation and/or other materials provided with the distribution. |
| 19 | + * |
| 20 | + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 21 | + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 22 | + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 24 | + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 25 | + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 26 | + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 27 | + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 28 | + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 29 | + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | + * POSSIBILITY OF SUCH DAMAGE. |
| 31 | + */ |
| 32 | + |
| 33 | +#ifndef _GETOPT_H_ |
| 34 | +#define _GETOPT_H_ |
| 35 | + |
| 36 | +#include <sys/cdefs.h> |
| 37 | + |
| 38 | +/* |
| 39 | + * GNU-like getopt_long()/getopt_long_only() with 4.4BSD optreset extension. |
| 40 | + * getopt() is declared here too for GNU programs. |
| 41 | + */ |
| 42 | +#define no_argument 0 |
| 43 | +#define required_argument 1 |
| 44 | +#define optional_argument 2 |
| 45 | + |
| 46 | +struct option { |
| 47 | + /* name of long option */ |
| 48 | + const char *name; |
| 49 | + /* |
| 50 | + * one of no_argument, required_argument, and optional_argument: |
| 51 | + * whether option takes an argument |
| 52 | + */ |
| 53 | + int has_arg; |
| 54 | + /* if not NULL, set *flag to val when option found */ |
| 55 | + int *flag; |
| 56 | + /* if flag not NULL, value to set *flag to; else return value */ |
| 57 | + int val; |
| 58 | +}; |
| 59 | + |
| 60 | +__BEGIN_DECLS |
| 61 | +int getopt_long(int, char * const *, const char *, |
| 62 | + const struct option *, int *); |
| 63 | +int getopt_long_only(int, char * const *, const char *, |
| 64 | + const struct option *, int *); |
| 65 | +#ifndef _GETOPT_DECLARED |
| 66 | +#define _GETOPT_DECLARED |
| 67 | +int getopt(int, char * const [], const char *); |
| 68 | + |
| 69 | +extern char *optarg; /* getopt(3) external variables */ |
| 70 | +extern int optind, opterr, optopt; |
| 71 | +#endif |
| 72 | +#ifndef _OPTRESET_DECLARED |
| 73 | +#define _OPTRESET_DECLARED |
| 74 | +extern int optreset; /* getopt(3) external variable */ |
| 75 | +#endif |
| 76 | +__END_DECLS |
| 77 | + |
| 78 | +#endif /* !_GETOPT_H_ */ |
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