1#ifndef __GETOPT_H__
2/**
3 * DISCLAIMER
4 * This file has no copyright assigned and is placed in the Public Domain.
5 * This file is part of the mingw-w64 runtime package.
6 *
7 * The mingw-w64 runtime package and its code is distributed in the hope that it
8 * will be useful but WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESSED OR
9 * IMPLIED ARE HEREBY DISCLAIMED. This includes but is not limited to
10 * warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11 */
12
13#define __GETOPT_H__
14
15/* All the headers include this file. */
16#include <crtdefs.h>
17
18#ifdef __cplusplus
19extern "C" {
20#endif
21
22extern int optind; /* index of first non-option in argv */
23extern int optopt; /* single option character, as parsed */
24extern int opterr; /* flag to enable built-in diagnostics... */
25 /* (user may set to zero, to suppress) */
26
27extern char *optarg; /* pointer to argument of current option */
28
29extern int getopt(int nargc, char * const *nargv, const char *options);
30
31#ifdef __cplusplus
32}
33#endif
34/*
35 * POSIX requires the `getopt' API to be specified in `unistd.h';
36 * thus, `unistd.h' includes this header. However, we do not want
37 * to expose the `getopt_long' or `getopt_long_only' APIs, when
38 * included in this manner. Thus, close the standard __GETOPT_H__
39 * declarations block, and open an additional __GETOPT_LONG_H__
40 * specific block, only when *not* __UNISTD_H_SOURCED__, in which
41 * to declare the extended API.
42 */
43#endif /* !defined(__GETOPT_H__) */
44
45#if !defined(__GETOPT_BSD_H__) && defined(_BSD_SOURCE)
46#define __GETOPT_BSD_H__
47/*
48 * BSD adds the non-standard `optreset' feature, for reinitialisation
49 * of `getopt' parsing. We support this feature, for applications which
50 * proclaim their BSD heritage, before including this header; however,
51 * to maintain portability, developers are advised to avoid it.
52 */
53# define optreset __mingw_optreset
54extern int optreset;
55#endif /* !defined(__GETOPT_BSD_H__) && defined(_BSD_SOURCE) */
56
57#if !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__)
58#define __GETOPT_LONG_H__
59
60#ifdef __cplusplus
61extern "C" {
62#endif
63
64struct option /* specification for a long form option... */
65{
66 const char *name; /* option name, without leading hyphens */
67 int has_arg; /* does it take an argument? */
68 int *flag; /* where to save its status, or NULL */
69 int val; /* its associated status value */
70};
71
72enum /* permitted values for its `has_arg' field... */
73{
74 no_argument = 0, /* option never takes an argument */
75 required_argument, /* option always requires an argument */
76 optional_argument /* option may take an argument */
77};
78
79extern int getopt_long(int nargc, char * const *nargv, const char *options,
80 const struct option *long_options, int *idx);
81extern int getopt_long_only(int nargc, char * const *nargv, const char *options,
82 const struct option *long_options, int *idx);
83/*
84 * Previous MinGW implementation had...
85 */
86#ifndef HAVE_DECL_GETOPT
87/*
88 * ...for the long form API only; keep this for compatibility.
89 */
90# define HAVE_DECL_GETOPT 1
91#endif
92
93#ifdef __cplusplus
94}
95#endif
96
97#endif /* !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__) */