ref: dfaa2a101f67f2850f880f28cc77d791966b8a3a
dir: /include/compat/getopt.h/
#ifndef __GETOPT_H__ /** * DISCLAIMER * This file has no copyright assigned and is placed in the Public Domain. * This file is part of the mingw-w64 runtime package. * * The mingw-w64 runtime package and its code is distributed in the hope that it * will be useful but WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESSED OR * IMPLIED ARE HEREBY DISCLAIMED. This includes but is not limited to * warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. */ #define __GETOPT_H__ /* All the headers include this file. */ #include <crtdefs.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 nargc, char * const *nargv, const char *options); #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. */ #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 nargc, char * const *nargv, const char *options, const struct option *long_options, int *idx); extern int getopt_long_only(int nargc, char * const *nargv, const char *options, const struct option *long_options, int *idx); /* * 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__) */ #endif /* !defined(__GETOPT_H__) */