1 /* $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $ */ 2 /* $FreeBSD: src/include/getopt.h,v 1.1 2002/09/29 04:14:30 eric 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 #ifdef _WIN32 44 /* from <sys/cdefs.h> */ 45 # ifdef __cplusplus 46 # define __BEGIN_DECLS extern "C" { 47 # define __END_DECLS } 48 # else 49 # define __BEGIN_DECLS 50 # define __END_DECLS 51 # endif 52 # define __P(args) args 53 #endif 54 55 /*#ifndef _WIN32 56 #include <sys/cdefs.h> 57 #include <unistd.h> 58 #endif*/ 59 60 #ifdef _WIN32 61 # if !defined(GETOPT_API) 62 # define GETOPT_API __declspec(dllimport) 63 # endif 64 #endif 65 66 /* 67 * Gnu like getopt_long() and BSD4.4 getsubopt()/optreset extensions 68 */ 69 #if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE) 70 #define no_argument 0 71 #define required_argument 1 72 #define optional_argument 2 73 74 struct option { 75 /* name of long option */ 76 const char *name; 77 /* 78 * one of no_argument, required_argument, and optional_argument: 79 * whether option takes an argument 80 */ 81 int has_arg; 82 /* if not NULL, set *flag to val when option found */ 83 int *flag; 84 /* if flag not NULL, value to set *flag to; else return value */ 85 int val; 86 }; 87 88 __BEGIN_DECLS 89 GETOPT_API int getopt_long __P((int, char * const *, const char *, 90 const struct option *, int *)); 91 __END_DECLS 92 #endif 93 94 #ifdef _WIN32 95 /* These are global getopt variables */ 96 __BEGIN_DECLS 97 98 GETOPT_API extern int opterr, /* if error message should be printed */ 99 optind, /* index into parent argv vector */ 100 optopt, /* character checked for validity */ 101 optreset; /* reset getopt */ 102 GETOPT_API extern char* optarg; /* argument associated with option */ 103 104 /* Original getopt */ 105 GETOPT_API int getopt __P((int, char * const *, const char *)); 106 107 __END_DECLS 108 #endif 109 110 #endif /* !_GETOPT_H_ */ 111