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#ifndef __GETOPT_H__ |
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/* |
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* getopt.h |
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* |
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* $Id: getopt.h,v 7d9fd83ab3c3 2014/10/21 21:25:10 keithmarshall $ |
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* |
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* Defines constants and function prototypes required to implement |
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* the `getopt', `getopt_long' and `getopt_long_only' APIs. |
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* |
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* This file is part of the MinGW32 package set. |
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* |
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* Contributed by Keith Marshall <keithmarshall@users.sourceforge.net> |
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* |
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* |
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* THIS SOFTWARE IS NOT COPYRIGHTED |
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* |
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* This source code is offered for use in the public domain. You may |
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* use, modify or distribute it freely. |
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* |
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* This code is distributed in the hope that it will be useful but |
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* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY |
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* DISCLAIMED. This includes but is not limited to warranties of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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* |
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* $Revision: 7d9fd83ab3c3 $ |
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* $Author: keithmarshall $ |
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* $Date: 2014/10/21 21:25:10 $ |
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* |
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*/ |
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#define __GETOPT_H__ |
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|
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/* All the headers include this file. */ |
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#include <_mingw.h> |
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|
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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extern int optind; /* index of first non-option in argv */ |
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extern int optopt; /* single option character, as parsed */ |
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extern int opterr; /* flag to enable built-in diagnostics... */ |
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/* (user may set to zero, to suppress) */ |
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|
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extern char *optarg; /* pointer to argument of current option */ |
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|
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extern int getopt( int, char * const [], const char * ); |
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|
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#ifdef _BSD_SOURCE |
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/* |
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* BSD adds the non-standard `optreset' feature, for reinitialisation |
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* of `getopt' parsing. We support this feature, for applications which |
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* proclaim their BSD heritage, before including this header; however, |
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* to maintain portability, developers are advised to avoid it. |
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*/ |
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# define optreset __mingw_optreset |
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|
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extern int optreset; |
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#endif |
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#ifdef __cplusplus |
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} |
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#endif |
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/* |
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* POSIX requires the `getopt' API to be specified in `unistd.h'; |
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* thus, `unistd.h' includes this header. However, we do not want |
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* to expose the `getopt_long' or `getopt_long_only' APIs, when |
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* included in this manner. Thus, close the standard __GETOPT_H__ |
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* declarations block, and open an additional __GETOPT_LONG_H__ |
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* specific block, only when *not* __UNISTD_H_SOURCED__, in which |
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* to declare the extended API. |
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*/ |
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#endif /* !defined(__GETOPT_H__) */ |
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#if !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__) |
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#define __GETOPT_LONG_H__ |
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|
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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struct option /* specification for a long form option... */ |
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{ |
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const char *name; /* option name, without leading hyphens */ |
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int has_arg; /* does it take an argument? */ |
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int *flag; /* where to save its status, or NULL */ |
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int val; /* its associated status value */ |
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}; |
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|
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enum /* permitted values for its `has_arg' field... */ |
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{ |
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no_argument = 0, /* option never takes an argument */ |
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required_argument, /* option always requires an argument */ |
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optional_argument /* option may take an argument */ |
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}; |
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|
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extern int getopt_long( int, char * const [], const char *, const struct option *, int * ); |
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extern int getopt_long_only( int, char * const [], const char *, const struct option *, int * ); |
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/* |
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* Previous MinGW implementation had... |
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*/ |
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#ifndef HAVE_DECL_GETOPT |
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/* |
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* ...for the long form API only; keep this for compatibility. |
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*/ |
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# define HAVE_DECL_GETOPT 1 |
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#endif |
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|
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#ifdef __cplusplus |
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} |
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#endif |
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|
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#endif /* !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__) */ |
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/* $RCSfile: getopt.h,v $$Revision: 7d9fd83ab3c3 $: end of file */ |
