#ifndef __GETOPT_H__ /* * getopt.h * * $Id: getopt.h,v 1.4 2009/01/04 17:35:36 keithmarshall Exp $ * * Defines constants and function prototypes required to implement * the `getopt', `getopt_long' and `getopt_long_only' APIs. * * This file is part of the MinGW32 package set. * * Contributed by Keith Marshall * * * THIS SOFTWARE IS NOT COPYRIGHTED * * This source code is offered for use in the public domain. You may * use, modify or distribute it freely. * * This code is distributed in the hope that it will be useful but * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY * DISCLAIMED. This includes but is not limited to warranties of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * $Revision: 1.4 $ * $Author: keithmarshall $ * $Date: 2009/01/04 17:35:36 $ * */ #define __GETOPT_H__ /* All the headers include this file. */ #include <_mingw.h> #ifdef __cplusplus extern "C" { #endif extern int optind; /* index of first non-option in argv */ extern int optopt; /* single option character, as parsed */ extern int opterr; /* flag to enable built-in diagnostics... */ /* (user may set to zero, to suppress) */ extern char *optarg; /* pointer to argument of current option */ extern int getopt( int, char * const [], const char * ); #ifdef _BSD_SOURCE /* * BSD adds the non-standard `optreset' feature, for reinitialisation * of `getopt' parsing. We support this feature, for applications which * proclaim their BSD heritage, before including this header; however, * to maintain portability, developers are advised to avoid it. */ # define optreset __mingw_optreset extern int optreset; #endif #ifdef __cplusplus } #endif /* * POSIX requires the `getopt' API to be specified in `unistd.h'; * thus, `unistd.h' includes this header. However, we do not want * to expose the `getopt_long' or `getopt_long_only' APIs, when * included in this manner. Thus, close the standard __GETOPT_H__ * declarations block, and open an additional __GETOPT_LONG_H__ * specific block, only when *not* __UNISTD_H_SOURCED__, in which * to declare the extended API. */ #endif /* !defined(__GETOPT_H__) */ #if !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__) #define __GETOPT_LONG_H__ #ifdef __cplusplus extern "C" { #endif struct option /* specification for a long form option... */ { const char *name; /* option name, without leading hyphens */ int has_arg; /* does it take an argument? */ int *flag; /* where to save its status, or NULL */ int val; /* its associated status value */ }; enum /* permitted values for its `has_arg' field... */ { no_argument = 0, /* option never takes an argument */ required_argument, /* option always requires an argument */ optional_argument /* option may take an argument */ }; extern int getopt_long( int, char * const [], const char *, const struct option *, int * ); extern int getopt_long_only( int, char * const [], const char *, const struct option *, int * ); /* * Previous MinGW implementation had... */ #ifndef HAVE_DECL_GETOPT /* * ...for the long form API only; keep this for compatibility. */ # define HAVE_DECL_GETOPT 1 #endif #ifdef __cplusplus } #endif #endif /* !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__) */ /* $RCSfile: getopt.h,v $Revision: 1.4 $: end of file */