diff options
Diffstat (limited to 'lib/getopt_int.h')
| -rw-r--r-- | lib/getopt_int.h | 124 |
1 files changed, 64 insertions, 60 deletions
diff --git a/lib/getopt_int.h b/lib/getopt_int.h index 401579f..be4c22e 100644 --- a/lib/getopt_int.h +++ b/lib/getopt_int.h @@ -1,34 +1,69 @@ /* Internal declarations for getopt. - Copyright (C) 1989-1994,1996-1999,2001,2003,2004 - Free Software Foundation, Inc. + Copyright (C) 1989-1994, 1996-1999, 2001, 2003-2004, 2009-2016 Free Software + Foundation, Inc. This file is part of the GNU C Library. - This program is free software; you can redistribute it and/or modify + This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - You should have received a copy of the GNU General Public License along - with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef _GETOPT_INT_H -#define _GETOPT_INT_H 1 +#define _GETOPT_INT_H 1 + +#include <getopt.h> extern int _getopt_internal (int ___argc, char **___argv, - const char *__shortopts, - const struct option *__longopts, int *__longind, - int __long_only, int __posixly_correct); + const char *__shortopts, + const struct option *__longopts, int *__longind, + int __long_only, int __posixly_correct); /* Reentrant versions which can handle parsing multiple argument vectors at the same time. */ +/* Describe how to deal with options that follow non-option ARGV-elements. + + If the caller did not specify anything, + the default is REQUIRE_ORDER if the environment variable + POSIXLY_CORRECT is defined, PERMUTE otherwise. + + REQUIRE_ORDER means don't recognize them as options; + stop option processing when the first non-option is seen. + This is what Unix does. + This mode of operation is selected by either setting the environment + variable POSIXLY_CORRECT, or using '+' as the first character + of the list of option characters, or by calling getopt. + + PERMUTE is the default. We permute the contents of ARGV as we + scan, so that eventually all the non-options are at the end. + This allows options to be given in any order, even with programs + that were not written to expect this. + + RETURN_IN_ORDER is an option available to programs that were + written to expect options and other ARGV-elements in any order + and that care about the ordering of the two. We describe each + non-option ARGV-element as if it were the argument of an option + with character code 1. Using '-' as the first character of the + list of option characters selects this mode of operation. + + The special argument '--' forces an end of option-scanning regardless + of the value of 'ordering'. In the case of RETURN_IN_ORDER, only + '--' can cause 'getopt' to return -1 with 'optind' != ARGC. */ + +enum __ord + { + REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER + }; + /* Data type for reentrant functions. */ struct _getopt_data { @@ -53,39 +88,8 @@ struct _getopt_data by advancing to the next ARGV-element. */ char *__nextchar; - /* Describe how to deal with options that follow non-option ARGV-elements. - - If the caller did not specify anything, - the default is REQUIRE_ORDER if the environment variable - POSIXLY_CORRECT is defined, PERMUTE otherwise. - - REQUIRE_ORDER means don't recognize them as options; - stop option processing when the first non-option is seen. - This is what Unix does. - This mode of operation is selected by either setting the environment - variable POSIXLY_CORRECT, or using `+' as the first character - of the list of option characters, or by calling getopt. - - PERMUTE is the default. We permute the contents of ARGV as we - scan, so that eventually all the non-options are at the end. - This allows options to be given in any order, even with programs - that were not written to expect this. - - RETURN_IN_ORDER is an option available to programs that were - written to expect options and other ARGV-elements in any order - and that care about the ordering of the two. We describe each - non-option ARGV-element as if it were the argument of an option - with character code 1. Using `-' as the first character of the - list of option characters selects this mode of operation. - - The special argument `--' forces an end of option-scanning regardless - of the value of `ordering'. In the case of RETURN_IN_ORDER, only - `--' can cause `getopt' to return -1 with `optind' != ARGC. */ - - enum - { - REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER - } __ordering; + /* See __ord above. */ + enum __ord __ordering; /* If the POSIXLY_CORRECT environment variable is set or getopt was called. */ @@ -95,8 +99,8 @@ struct _getopt_data /* Handle permutation of arguments. */ /* Describe the part of ARGV that contains non-options that have - been skipped. `first_nonopt' is the index in ARGV of the first - of them; `last_nonopt' is the index after the last of them. */ + been skipped. 'first_nonopt' is the index in ARGV of the first + of them; 'last_nonopt' is the index after the last of them. */ int __first_nonopt; int __last_nonopt; @@ -104,28 +108,28 @@ struct _getopt_data #if defined _LIBC && defined USE_NONOPTION_FLAGS int __nonoption_flags_max_len; int __nonoption_flags_len; -# endif +#endif }; /* The initializer is necessary to set OPTIND and OPTERR to their default values and to clear the initialization flag. */ -#define _GETOPT_DATA_INITIALIZER { 1, 1 } +#define _GETOPT_DATA_INITIALIZER { 1, 1 } extern int _getopt_internal_r (int ___argc, char **___argv, - const char *__shortopts, - const struct option *__longopts, int *__longind, - int __long_only, int __posixly_correct, - struct _getopt_data *__data); + const char *__shortopts, + const struct option *__longopts, int *__longind, + int __long_only, struct _getopt_data *__data, + int __posixly_correct); extern int _getopt_long_r (int ___argc, char **___argv, - const char *__shortopts, - const struct option *__longopts, int *__longind, - struct _getopt_data *__data); + const char *__shortopts, + const struct option *__longopts, int *__longind, + struct _getopt_data *__data); extern int _getopt_long_only_r (int ___argc, char **___argv, - const char *__shortopts, - const struct option *__longopts, - int *__longind, - struct _getopt_data *__data); + const char *__shortopts, + const struct option *__longopts, + int *__longind, + struct _getopt_data *__data); #endif /* getopt_int.h */ |