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1 | /* $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $ */ |
| 2 | /* $FreeBSD: src/include/getopt.h,v 1.6.34.1 2010/12/21 17:10:29 kensmith 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 | * 3. All advertising materials mentioning features or use of this software |
| 20 | * must display the following acknowledgement: |
| 21 | * This product includes software developed by the NetBSD |
| 22 | * Foundation, Inc. and its contributors. |
| 23 | * 4. Neither the name of The NetBSD Foundation nor the names of its |
| 24 | * contributors may be used to endorse or promote products derived |
| 25 | * from this software without specific prior written permission. |
| 26 | * |
| 27 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 28 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 29 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 30 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 31 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 32 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 33 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 34 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 35 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 36 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 37 | * POSSIBILITY OF SUCH DAMAGE. |
| 38 | */ |
| 39 | |
| 40 | #ifndef _GETOPT_H_ |
| 41 | #define _GETOPT_H_ |
| 42 | |
| 43 | |
| 44 | #ifdef __cplusplus |
| 45 | extern "C" { |
| 46 | #endif |
| 47 | |
| 48 | /* |
| 49 | * GNU-like getopt_long()/getopt_long_only() with 4.4BSD optreset extension. |
| 50 | * getopt() is declared here too for GNU programs. |
| 51 | */ |
| 52 | #define no_argument 0 |
| 53 | #define required_argument 1 |
| 54 | #define optional_argument 2 |
| 55 | |
| 56 | struct option { |
| 57 | /* name of long option */ |
| 58 | const char *name; |
| 59 | /* |
| 60 | * one of no_argument, required_argument, and optional_argument: |
| 61 | * whether option takes an argument |
| 62 | */ |
| 63 | int has_arg; |
| 64 | /* if not NULL, set *flag to val when option found */ |
| 65 | int *flag; |
| 66 | /* if flag not NULL, value to set *flag to; else return value */ |
| 67 | int val; |
| 68 | }; |
| 69 | |
| 70 | int getopt_long(int, char * const *, const char *, |
| 71 | const struct option *, int *); |
| 72 | int getopt_long_only(int, char * const *, const char *, |
| 73 | const struct option *, int *); |
| 74 | #ifndef _GETOPT_DECLARED |
| 75 | #define _GETOPT_DECLARED |
| 76 | int getopt(int, char * const [], const char *); |
| 77 | |
| 78 | extern char *optarg; /* getopt(3) external variables */ |
| 79 | extern int optind, opterr, optopt; |
| 80 | #endif |
| 81 | #ifndef _OPTRESET_DECLARED |
| 82 | #define _OPTRESET_DECLARED |
| 83 | extern int optreset; /* getopt(3) external variable */ |
| 84 | #endif |
| 85 | |
| 86 | #ifdef __cplusplus |
| 87 | } |
| 88 | #endif |
| 89 | |
| 90 | #endif /* !_GETOPT_H_ */ |
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