| José Fonseca | 6d670f6 | 2011-01-12 15:32:17 +0000 | [diff] [blame] | 1 | /* $OpenBSD: getopt.h,v 1.2 2008/06/26 05:42:04 ray Exp $ */ |
| 2 | /* $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $ */ |
| 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 | |
| José Fonseca | 6d670f6 | 2011-01-12 15:32:17 +0000 | [diff] [blame] | 36 | /* |
| 37 | * GNU-like getopt_long() and 4.4BSD getsubopt()/optreset extensions |
| 38 | */ |
| 39 | #define no_argument 0 |
| 40 | #define required_argument 1 |
| 41 | #define optional_argument 2 |
| 42 | |
| José Fonseca | f9bb532 | 2011-01-12 16:08:22 +0000 | [diff] [blame] | 43 | #ifdef __cplusplus |
| 44 | extern "C" { |
| 45 | #endif |
| 46 | |
| José Fonseca | 6d670f6 | 2011-01-12 15:32:17 +0000 | [diff] [blame] | 47 | struct option { |
| 48 | /* name of long option */ |
| 49 | const char *name; |
| 50 | /* |
| 51 | * one of no_argument, required_argument, and optional_argument: |
| 52 | * whether option takes an argument |
| 53 | */ |
| 54 | int has_arg; |
| 55 | /* if not NULL, set *flag to val when option found */ |
| 56 | int *flag; |
| 57 | /* if flag not NULL, value to set *flag to; else return value */ |
| 58 | int val; |
| 59 | }; |
| 60 | |
| José Fonseca | 6d670f6 | 2011-01-12 15:32:17 +0000 | [diff] [blame] | 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_DEFINED_ |
| 66 | #define _GETOPT_DEFINED_ |
| 67 | int getopt(int, char * const *, const char *); |
| 68 | int getsubopt(char **, char * const *, char **); |
| 69 | |
| 70 | extern char *optarg; /* getopt(3) external variables */ |
| 71 | extern int opterr; |
| 72 | extern int optind; |
| 73 | extern int optopt; |
| 74 | extern int optreset; |
| 75 | extern char *suboptarg; /* getsubopt(3) external variable */ |
| 76 | #endif |
| José Fonseca | f9bb532 | 2011-01-12 16:08:22 +0000 | [diff] [blame] | 77 | |
| 78 | #ifdef __cplusplus |
| 79 | } |
| 80 | #endif |
| José Fonseca | 6d670f6 | 2011-01-12 15:32:17 +0000 | [diff] [blame] | 81 | |
| 82 | #endif /* !_GETOPT_H_ */ |