| 1 | #ifndef __GETOPT_H__
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| 2 | /**
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| 3 | * DISCLAIMER
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| 4 | * This file has no copyright assigned and is placed in the Public Domain.
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| 5 | * This file is part of the mingw-w64 runtime package.
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| 6 | *
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| 7 | * The mingw-w64 runtime package and its code is distributed in the hope that it
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| 8 | * will be useful but WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESSED OR
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| 9 | * IMPLIED ARE HEREBY DISCLAIMED. This includes but is not limited to
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| 10 | * warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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| 11 | */
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| 12 |
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| 13 | #define __GETOPT_H__
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| 14 |
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| 15 | /* All the headers include this file. */
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| 16 | #include <crtdefs.h>
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| 17 |
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| 18 | #ifdef __cplusplus
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| 19 | extern "C" {
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| 20 | #endif
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| 21 |
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| 22 | extern int optind; /* index of first non-option in argv */
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| 23 | extern int optopt; /* single option character, as parsed */
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| 24 | extern int opterr; /* flag to enable built-in diagnostics... */
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| 25 | /* (user may set to zero, to suppress) */
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| 26 |
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| 27 | extern char *optarg; /* pointer to argument of current option */
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| 28 |
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| 29 | extern int getopt(int nargc, char * const *nargv, const char *options);
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| 30 |
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| 31 | #ifdef _BSD_SOURCE
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| 32 | /*
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| 33 | * BSD adds the non-standard `optreset' feature, for reinitialisation
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| 34 | * of `getopt' parsing. We support this feature, for applications which
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| 35 | * proclaim their BSD heritage, before including this header; however,
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| 36 | * to maintain portability, developers are advised to avoid it.
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| 37 | */
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| 38 | # define optreset __mingw_optreset
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| 39 | extern int optreset;
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| 40 | #endif
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| 41 | #ifdef __cplusplus
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| 42 | }
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| 43 | #endif
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| 44 | /*
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| 45 | * POSIX requires the `getopt' API to be specified in `unistd.h';
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| 46 | * thus, `unistd.h' includes this header. However, we do not want
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| 47 | * to expose the `getopt_long' or `getopt_long_only' APIs, when
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| 48 | * included in this manner. Thus, close the standard __GETOPT_H__
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| 49 | * declarations block, and open an additional __GETOPT_LONG_H__
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| 50 | * specific block, only when *not* __UNISTD_H_SOURCED__, in which
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| 51 | * to declare the extended API.
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| 52 | */
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| 53 | #endif /* !defined(__GETOPT_H__) */
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| 54 |
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| 55 | #if !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__)
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| 56 | #define __GETOPT_LONG_H__
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| 57 |
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| 58 | #ifdef __cplusplus
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| 59 | extern "C" {
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| 60 | #endif
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| 61 |
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| 62 | struct option /* specification for a long form option... */
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| 63 | {
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| 64 | const char *name; /* option name, without leading hyphens */
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| 65 | int has_arg; /* does it take an argument? */
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| 66 | int *flag; /* where to save its status, or NULL */
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| 67 | int val; /* its associated status value */
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| 68 | };
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| 69 |
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| 70 | enum /* permitted values for its `has_arg' field... */
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| 71 | {
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| 72 | no_argument = 0, /* option never takes an argument */
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| 73 | required_argument, /* option always requires an argument */
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| 74 | optional_argument /* option may take an argument */
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| 75 | };
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| 76 |
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| 77 | extern int getopt_long(int nargc, char * const *nargv, const char *options,
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| 78 | const struct option *long_options, int *idx);
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| 79 | extern int getopt_long_only(int nargc, char * const *nargv, const char *options,
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| 80 | const struct option *long_options, int *idx);
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| 81 | /*
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| 82 | * Previous MinGW implementation had...
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| 83 | */
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| 84 | #ifndef HAVE_DECL_GETOPT
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| 85 | /*
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| 86 | * ...for the long form API only; keep this for compatibility.
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| 87 | */
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| 88 | # define HAVE_DECL_GETOPT 1
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| 89 | #endif
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| 90 |
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| 91 | #ifdef __cplusplus
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| 92 | }
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| 93 | #endif
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| 94 |
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| 95 | #endif /* !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__) */
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