diff options
Diffstat (limited to 'gl/getopt_int.h')
-rw-r--r-- | gl/getopt_int.h | 91 |
1 files changed, 37 insertions, 54 deletions
diff --git a/gl/getopt_int.h b/gl/getopt_int.h index a6e4b9ea..91254e48 100644 --- a/gl/getopt_int.h +++ b/gl/getopt_int.h | |||
@@ -1,30 +1,31 @@ | |||
1 | /* Internal declarations for getopt. | 1 | /* Internal declarations for getopt. |
2 | Copyright (C) 1989-1994, 1996-1999, 2001, 2003-2004, 2009-2013 Free Software | 2 | Copyright (C) 1989-2021 Free Software Foundation, Inc. |
3 | Foundation, Inc. | 3 | This file is part of the GNU C Library and is also part of gnulib. |
4 | This file is part of the GNU C Library. | 4 | Patches to this file should be submitted to both projects. |
5 | 5 | ||
6 | This program is free software: you can redistribute it and/or modify | 6 | The GNU C Library is free software; you can redistribute it and/or |
7 | it under the terms of the GNU General Public License as published by | 7 | modify it under the terms of the GNU Lesser General Public |
8 | the Free Software Foundation; either version 3 of the License, or | 8 | License as published by the Free Software Foundation; either |
9 | (at your option) any later version. | 9 | version 2.1 of the License, or (at your option) any later version. |
10 | 10 | ||
11 | This program is distributed in the hope that it will be useful, | 11 | The GNU C Library is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | GNU General Public License for more details. | 14 | Lesser General Public License for more details. |
15 | 15 | ||
16 | You should have received a copy of the GNU General Public License | 16 | You should have received a copy of the GNU Lesser General Public |
17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | 17 | License along with the GNU C Library; if not, see |
18 | <https://www.gnu.org/licenses/>. */ | ||
18 | 19 | ||
19 | #ifndef _GETOPT_INT_H | 20 | #ifndef _GETOPT_INT_H |
20 | #define _GETOPT_INT_H 1 | 21 | #define _GETOPT_INT_H 1 |
21 | 22 | ||
22 | #include <getopt.h> | 23 | #include <getopt.h> |
23 | 24 | ||
24 | extern int _getopt_internal (int ___argc, char **___argv, | 25 | extern int _getopt_internal (int ___argc, char **___argv, |
25 | const char *__shortopts, | 26 | const char *__shortopts, |
26 | const struct option *__longopts, int *__longind, | 27 | const struct option *__longopts, int *__longind, |
27 | int __long_only, int __posixly_correct); | 28 | int __long_only, int __posixly_correct); |
28 | 29 | ||
29 | 30 | ||
30 | /* Reentrant versions which can handle parsing multiple argument | 31 | /* Reentrant versions which can handle parsing multiple argument |
@@ -32,28 +33,20 @@ extern int _getopt_internal (int ___argc, char **___argv, | |||
32 | 33 | ||
33 | /* Describe how to deal with options that follow non-option ARGV-elements. | 34 | /* Describe how to deal with options that follow non-option ARGV-elements. |
34 | 35 | ||
35 | If the caller did not specify anything, | 36 | REQUIRE_ORDER means don't recognize them as options; stop option |
36 | the default is REQUIRE_ORDER if the environment variable | 37 | processing when the first non-option is seen. This is what POSIX |
37 | POSIXLY_CORRECT is defined, PERMUTE otherwise. | 38 | specifies should happen. |
38 | 39 | ||
39 | REQUIRE_ORDER means don't recognize them as options; | 40 | PERMUTE means permute the contents of ARGV as we scan, so that |
40 | stop option processing when the first non-option is seen. | 41 | eventually all the non-options are at the end. This allows options |
41 | This is what Unix does. | 42 | to be given in any order, even with programs that were not written |
42 | This mode of operation is selected by either setting the environment | 43 | to expect this. |
43 | variable POSIXLY_CORRECT, or using '+' as the first character | ||
44 | of the list of option characters, or by calling getopt. | ||
45 | |||
46 | PERMUTE is the default. We permute the contents of ARGV as we | ||
47 | scan, so that eventually all the non-options are at the end. | ||
48 | This allows options to be given in any order, even with programs | ||
49 | that were not written to expect this. | ||
50 | 44 | ||
51 | RETURN_IN_ORDER is an option available to programs that were | 45 | RETURN_IN_ORDER is an option available to programs that were |
52 | written to expect options and other ARGV-elements in any order | 46 | written to expect options and other ARGV-elements in any order |
53 | and that care about the ordering of the two. We describe each | 47 | and that care about the ordering of the two. We describe each |
54 | non-option ARGV-element as if it were the argument of an option | 48 | non-option ARGV-element as if it were the argument of an option |
55 | with character code 1. Using '-' as the first character of the | 49 | with character code 1. |
56 | list of option characters selects this mode of operation. | ||
57 | 50 | ||
58 | The special argument '--' forces an end of option-scanning regardless | 51 | The special argument '--' forces an end of option-scanning regardless |
59 | of the value of 'ordering'. In the case of RETURN_IN_ORDER, only | 52 | of the value of 'ordering'. In the case of RETURN_IN_ORDER, only |
@@ -91,11 +84,6 @@ struct _getopt_data | |||
91 | /* See __ord above. */ | 84 | /* See __ord above. */ |
92 | enum __ord __ordering; | 85 | enum __ord __ordering; |
93 | 86 | ||
94 | /* If the POSIXLY_CORRECT environment variable is set | ||
95 | or getopt was called. */ | ||
96 | int __posixly_correct; | ||
97 | |||
98 | |||
99 | /* Handle permutation of arguments. */ | 87 | /* Handle permutation of arguments. */ |
100 | 88 | ||
101 | /* Describe the part of ARGV that contains non-options that have | 89 | /* Describe the part of ARGV that contains non-options that have |
@@ -104,32 +92,27 @@ struct _getopt_data | |||
104 | 92 | ||
105 | int __first_nonopt; | 93 | int __first_nonopt; |
106 | int __last_nonopt; | 94 | int __last_nonopt; |
107 | |||
108 | #if defined _LIBC && defined USE_NONOPTION_FLAGS | ||
109 | int __nonoption_flags_max_len; | ||
110 | int __nonoption_flags_len; | ||
111 | #endif | ||
112 | }; | 95 | }; |
113 | 96 | ||
114 | /* The initializer is necessary to set OPTIND and OPTERR to their | 97 | /* The initializer is necessary to set OPTIND and OPTERR to their |
115 | default values and to clear the initialization flag. */ | 98 | default values and to clear the initialization flag. */ |
116 | #define _GETOPT_DATA_INITIALIZER { 1, 1 } | 99 | #define _GETOPT_DATA_INITIALIZER { 1, 1 } |
117 | 100 | ||
118 | extern int _getopt_internal_r (int ___argc, char **___argv, | 101 | extern int _getopt_internal_r (int ___argc, char **___argv, |
119 | const char *__shortopts, | 102 | const char *__shortopts, |
120 | const struct option *__longopts, int *__longind, | 103 | const struct option *__longopts, int *__longind, |
121 | int __long_only, struct _getopt_data *__data, | 104 | int __long_only, struct _getopt_data *__data, |
122 | int __posixly_correct); | 105 | int __posixly_correct); |
123 | 106 | ||
124 | extern int _getopt_long_r (int ___argc, char **___argv, | 107 | extern int _getopt_long_r (int ___argc, char **___argv, |
125 | const char *__shortopts, | 108 | const char *__shortopts, |
126 | const struct option *__longopts, int *__longind, | 109 | const struct option *__longopts, int *__longind, |
127 | struct _getopt_data *__data); | 110 | struct _getopt_data *__data); |
128 | 111 | ||
129 | extern int _getopt_long_only_r (int ___argc, char **___argv, | 112 | extern int _getopt_long_only_r (int ___argc, char **___argv, |
130 | const char *__shortopts, | 113 | const char *__shortopts, |
131 | const struct option *__longopts, | 114 | const struct option *__longopts, |
132 | int *__longind, | 115 | int *__longind, |
133 | struct _getopt_data *__data); | 116 | struct _getopt_data *__data); |
134 | 117 | ||
135 | #endif /* getopt_int.h */ | 118 | #endif /* getopt_int.h */ |