/****************************************************************************
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/****************************************************************************
|
|
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getopt.c - Read command line options
|
getopt.c - Read command line options
|
|
|
AUTHOR: Gregory Pietsch
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AUTHOR: Gregory Pietsch
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CREATED Fri Jan 10 21:13:05 1997
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CREATED Fri Jan 10 21:13:05 1997
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|
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DESCRIPTION:
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DESCRIPTION:
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|
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The getopt() function parses the command line arguments. Its arguments argc
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The getopt() function parses the command line arguments. Its arguments argc
|
and argv are the argument count and array as passed to the main() function
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and argv are the argument count and array as passed to the main() function
|
on program invocation. The argument optstring is a list of available option
|
on program invocation. The argument optstring is a list of available option
|
characters. If such a character is followed by a colon (`:'), the option
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characters. If such a character is followed by a colon (`:'), the option
|
takes an argument, which is placed in optarg. If such a character is
|
takes an argument, which is placed in optarg. If such a character is
|
followed by two colons, the option takes an optional argument, which is
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followed by two colons, the option takes an optional argument, which is
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placed in optarg. If the option does not take an argument, optarg is NULL.
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placed in optarg. If the option does not take an argument, optarg is NULL.
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The external variable optind is the index of the next array element of argv
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The external variable optind is the index of the next array element of argv
|
to be processed; it communicates from one call to the next which element to
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to be processed; it communicates from one call to the next which element to
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process.
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process.
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The getopt_long() function works like getopt() except that it also accepts
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The getopt_long() function works like getopt() except that it also accepts
|
long options started by two dashes `--'. If these take values, it is either
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long options started by two dashes `--'. If these take values, it is either
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in the form
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in the form
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--arg=value
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--arg=value
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or
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or
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--arg value
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--arg value
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It takes the additional arguments longopts which is a pointer to the first
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It takes the additional arguments longopts which is a pointer to the first
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element of an array of type struct option. The last element of the array
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element of an array of type struct option. The last element of the array
|
has to be filled with NULL for the name field.
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has to be filled with NULL for the name field.
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|
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The longind pointer points to the index of the current long option relative
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The longind pointer points to the index of the current long option relative
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to longopts if it is non-NULL.
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to longopts if it is non-NULL.
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|
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The getopt() function returns the option character if the option was found
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The getopt() function returns the option character if the option was found
|
successfully, `:' if there was a missing parameter for one of the options,
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successfully, `:' if there was a missing parameter for one of the options,
|
`?' for an unknown option character, and EOF for the end of the option list.
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`?' for an unknown option character, and EOF for the end of the option list.
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The getopt_long() function's return value is described in the header file.
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The getopt_long() function's return value is described in the header file.
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The function getopt_long_only() is identical to getopt_long(), except that a
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The function getopt_long_only() is identical to getopt_long(), except that a
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plus sign `+' can introduce long options as well as `--'.
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plus sign `+' can introduce long options as well as `--'.
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The following describes how to deal with options that follow non-option
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The following describes how to deal with options that follow non-option
|
argv-elements.
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argv-elements.
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If the caller did not specify anything, the default is REQUIRE_ORDER if the
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If the caller did not specify anything, the default is REQUIRE_ORDER if the
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environment variable POSIXLY_CORRECT is defined, PERMUTE otherwise.
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environment variable POSIXLY_CORRECT is defined, PERMUTE otherwise.
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|
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REQUIRE_ORDER means don't recognize them as options; stop option processing
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REQUIRE_ORDER means don't recognize them as options; stop option processing
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when the first non-option is seen. This is what Unix does. This mode of
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when the first non-option is seen. This is what Unix does. This mode of
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operation is selected by either setting the environment variable
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operation is selected by either setting the environment variable
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POSIXLY_CORRECT, or using `+' as the first character of the optstring
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POSIXLY_CORRECT, or using `+' as the first character of the optstring
|
parameter.
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parameter.
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PERMUTE is the default. We permute the contents of ARGV as we scan, so that
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PERMUTE is the default. We permute the contents of ARGV as we scan, so that
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eventually all the non-options are at the end. This allows options to be
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eventually all the non-options are at the end. This allows options to be
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given in any order, even with programs that were not written to expect this.
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given in any order, even with programs that were not written to expect this.
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RETURN_IN_ORDER is an option available to programs that were written to
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RETURN_IN_ORDER is an option available to programs that were written to
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expect options and other argv-elements in any order and that care about the
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expect options and other argv-elements in any order and that care about the
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ordering of the two. We describe each non-option argv-element as if it were
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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
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the argument of an option with character code 1. Using `-' as the first
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character of the optstring parameter selects this mode of operation.
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character of the optstring parameter selects this mode of operation.
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The special argument `--' forces an end of option-scanning regardless of the
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The special argument `--' forces an end of option-scanning regardless of the
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value of ordering. In the case of RETURN_IN_ORDER, only `--' can cause
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value of ordering. In the case of RETURN_IN_ORDER, only `--' can cause
|
getopt() and friends to return EOF with optind != argc.
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getopt() and friends to return EOF with optind != argc.
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COPYRIGHT NOTICE AND DISCLAIMER:
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COPYRIGHT NOTICE AND DISCLAIMER:
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|
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Copyright (C) 1997 Gregory Pietsch
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Copyright (C) 1997 Gregory Pietsch
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This file and the accompanying getopt.h header file are hereby placed in the
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This file and the accompanying getopt.h header file are hereby placed in the
|
public domain without restrictions. Just give the author credit, don't
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public domain without restrictions. Just give the author credit, don't
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claim you wrote it or prevent anyone else from using it.
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claim you wrote it or prevent anyone else from using it.
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Gregory Pietsch's current e-mail address:
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Gregory Pietsch's current e-mail address:
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gpietsch@comcast.net
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gpietsch@comcast.net
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****************************************************************************/
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****************************************************************************/
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#ifndef HAVE_GETOPT
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#ifndef HAVE_GETOPT
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/* include files */
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/* include files */
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#include <stdio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string.h>
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#define __need_getopt_newlib
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#define __need_getopt_newlib
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#include <getopt.h>
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#include <getopt.h>
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|
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/* macros */
|
/* macros */
|
|
|
/* types */
|
/* types */
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typedef enum GETOPT_ORDERING_T
|
typedef enum GETOPT_ORDERING_T
|
{
|
{
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PERMUTE,
|
PERMUTE,
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RETURN_IN_ORDER,
|
RETURN_IN_ORDER,
|
REQUIRE_ORDER
|
REQUIRE_ORDER
|
} GETOPT_ORDERING_T;
|
} GETOPT_ORDERING_T;
|
|
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/* globally-defined variables */
|
/* globally-defined variables */
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char *optarg = 0;
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char *optarg = 0;
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int optind = 0;
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int optind = 0;
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int opterr = 1;
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int opterr = 1;
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int optopt = '?';
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int optopt = '?';
|
|
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/* static variables */
|
/* static variables */
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static int optwhere = 0;
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static int optwhere = 0;
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|
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/* functions */
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/* functions */
|
|
|
/* reverse_argv_elements: reverses num elements starting at argv */
|
/* reverse_argv_elements: reverses num elements starting at argv */
|
static void
|
static void
|
reverse_argv_elements (char **argv, int num)
|
reverse_argv_elements (char **argv, int num)
|
{
|
{
|
int i;
|
int i;
|
char *tmp;
|
char *tmp;
|
|
|
for (i = 0; i < (num >> 1); i++)
|
for (i = 0; i < (num >> 1); i++)
|
{
|
{
|
tmp = argv[i];
|
tmp = argv[i];
|
argv[i] = argv[num - i - 1];
|
argv[i] = argv[num - i - 1];
|
argv[num - i - 1] = tmp;
|
argv[num - i - 1] = tmp;
|
}
|
}
|
}
|
}
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|
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/* permute: swap two blocks of argv-elements given their lengths */
|
/* permute: swap two blocks of argv-elements given their lengths */
|
static void
|
static void
|
permute (char *const argv[], int len1, int len2)
|
permute (char *const argv[], int len1, int len2)
|
{
|
{
|
reverse_argv_elements ((char **) argv, len1);
|
reverse_argv_elements ((char **) argv, len1);
|
reverse_argv_elements ((char **) argv, len1 + len2);
|
reverse_argv_elements ((char **) argv, len1 + len2);
|
reverse_argv_elements ((char **) argv, len2);
|
reverse_argv_elements ((char **) argv, len2);
|
}
|
}
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|
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/* is_option: is this argv-element an option or the end of the option list? */
|
/* is_option: is this argv-element an option or the end of the option list? */
|
static int
|
static int
|
is_option (char *argv_element, int only)
|
is_option (char *argv_element, int only)
|
{
|
{
|
return ((argv_element == 0)
|
return ((argv_element == 0)
|
|| (argv_element[0] == '-') || (only && argv_element[0] == '+'));
|
|| (argv_element[0] == '-') || (only && argv_element[0] == '+'));
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}
|
}
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|
|
/* read_globals: read the values from the globals into a getopt_data
|
/* read_globals: read the values from the globals into a getopt_data
|
structure */
|
structure */
|
static void
|
static void
|
read_globals (struct getopt_data *data)
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read_globals (struct getopt_data *data)
|
{
|
{
|
data->optarg = optarg;
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data->optarg = optarg;
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data->optind = optind;
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data->optind = optind;
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data->opterr = opterr;
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data->opterr = opterr;
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data->optopt = optopt;
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data->optopt = optopt;
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data->optwhere = optwhere;
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data->optwhere = optwhere;
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}
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}
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|
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/* write_globals: write the values into the globals from a getopt_data
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/* write_globals: write the values into the globals from a getopt_data
|
structure */
|
structure */
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static void
|
static void
|
write_globals (struct getopt_data *data)
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write_globals (struct getopt_data *data)
|
{
|
{
|
optarg = data->optarg;
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optarg = data->optarg;
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optind = data->optind;
|
optind = data->optind;
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opterr = data->opterr;
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opterr = data->opterr;
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optopt = data->optopt;
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optopt = data->optopt;
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optwhere = data->optwhere;
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optwhere = data->optwhere;
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}
|
}
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|
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/* getopt_internal: the function that does all the dirty work */
|
/* getopt_internal: the function that does all the dirty work */
|
static int
|
static int
|
getopt_internal (int argc, char *const argv[], const char *shortopts,
|
getopt_internal (int argc, char *const argv[], const char *shortopts,
|
const struct option *longopts, int *longind, int only,
|
const struct option *longopts, int *longind, int only,
|
struct getopt_data *data)
|
struct getopt_data *data)
|
{
|
{
|
GETOPT_ORDERING_T ordering = PERMUTE;
|
GETOPT_ORDERING_T ordering = PERMUTE;
|
size_t permute_from = 0;
|
size_t permute_from = 0;
|
int num_nonopts = 0;
|
int num_nonopts = 0;
|
int optindex = 0;
|
int optindex = 0;
|
size_t match_chars = 0;
|
size_t match_chars = 0;
|
char *possible_arg = 0;
|
char *possible_arg = 0;
|
int longopt_match = -1;
|
int longopt_match = -1;
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int has_arg = -1;
|
int has_arg = -1;
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char *cp = 0;
|
char *cp = 0;
|
int arg_next = 0;
|
int arg_next = 0;
|
|
|
/* first, deal with silly parameters and easy stuff */
|
/* first, deal with silly parameters and easy stuff */
|
if (argc == 0 || argv == 0 || (shortopts == 0 && longopts == 0)
|
if (argc == 0 || argv == 0 || (shortopts == 0 && longopts == 0)
|
|| data->optind >= argc || argv[data->optind] == 0)
|
|| data->optind >= argc || argv[data->optind] == 0)
|
return EOF;
|
return EOF;
|
if (strcmp (argv[data->optind], "--") == 0)
|
if (strcmp (argv[data->optind], "--") == 0)
|
{
|
{
|
data->optind++;
|
data->optind++;
|
return EOF;
|
return EOF;
|
}
|
}
|
|
|
/* if this is our first time through */
|
/* if this is our first time through */
|
if (data->optind == 0)
|
if (data->optind == 0)
|
data->optind = data->optwhere = 1;
|
data->optind = data->optwhere = 1;
|
|
|
/* define ordering */
|
/* define ordering */
|
if (shortopts != 0 && (*shortopts == '-' || *shortopts == '+'))
|
if (shortopts != 0 && (*shortopts == '-' || *shortopts == '+'))
|
{
|
{
|
ordering = (*shortopts == '-') ? RETURN_IN_ORDER : REQUIRE_ORDER;
|
ordering = (*shortopts == '-') ? RETURN_IN_ORDER : REQUIRE_ORDER;
|
shortopts++;
|
shortopts++;
|
}
|
}
|
else
|
else
|
ordering = (getenv ("POSIXLY_CORRECT") != 0) ? REQUIRE_ORDER : PERMUTE;
|
ordering = (getenv ("POSIXLY_CORRECT") != 0) ? REQUIRE_ORDER : PERMUTE;
|
|
|
/*
|
/*
|
* based on ordering, find our next option, if we're at the beginning of
|
* based on ordering, find our next option, if we're at the beginning of
|
* one
|
* one
|
*/
|
*/
|
if (data->optwhere == 1)
|
if (data->optwhere == 1)
|
{
|
{
|
switch (ordering)
|
switch (ordering)
|
{
|
{
|
default: /* shouldn't happen */
|
default: /* shouldn't happen */
|
case PERMUTE:
|
case PERMUTE:
|
permute_from = data->optind;
|
permute_from = data->optind;
|
num_nonopts = 0;
|
num_nonopts = 0;
|
while (!is_option (argv[data->optind], only))
|
while (!is_option (argv[data->optind], only))
|
{
|
{
|
data->optind++;
|
data->optind++;
|
num_nonopts++;
|
num_nonopts++;
|
}
|
}
|
if (argv[data->optind] == 0)
|
if (argv[data->optind] == 0)
|
{
|
{
|
/* no more options */
|
/* no more options */
|
data->optind = permute_from;
|
data->optind = permute_from;
|
return EOF;
|
return EOF;
|
}
|
}
|
else if (strcmp (argv[data->optind], "--") == 0)
|
else if (strcmp (argv[data->optind], "--") == 0)
|
{
|
{
|
/* no more options, but have to get `--' out of the way */
|
/* no more options, but have to get `--' out of the way */
|
permute (argv + permute_from, num_nonopts, 1);
|
permute (argv + permute_from, num_nonopts, 1);
|
data->optind = permute_from + 1;
|
data->optind = permute_from + 1;
|
return EOF;
|
return EOF;
|
}
|
}
|
break;
|
break;
|
case RETURN_IN_ORDER:
|
case RETURN_IN_ORDER:
|
if (!is_option (argv[data->optind], only))
|
if (!is_option (argv[data->optind], only))
|
{
|
{
|
data->optarg = argv[data->optind++];
|
data->optarg = argv[data->optind++];
|
return (data->optopt = 1);
|
return (data->optopt = 1);
|
}
|
}
|
break;
|
break;
|
case REQUIRE_ORDER:
|
case REQUIRE_ORDER:
|
if (!is_option (argv[data->optind], only))
|
if (!is_option (argv[data->optind], only))
|
return EOF;
|
return EOF;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
/* we've got an option, so parse it */
|
/* we've got an option, so parse it */
|
|
|
/* first, is it a long option? */
|
/* first, is it a long option? */
|
if (longopts != 0
|
if (longopts != 0
|
&& (memcmp (argv[data->optind], "--", 2) == 0
|
&& (memcmp (argv[data->optind], "--", 2) == 0
|
|| (only && argv[data->optind][0] == '+')) && data->optwhere == 1)
|
|| (only && argv[data->optind][0] == '+')) && data->optwhere == 1)
|
{
|
{
|
/* handle long options */
|
/* handle long options */
|
if (memcmp (argv[data->optind], "--", 2) == 0)
|
if (memcmp (argv[data->optind], "--", 2) == 0)
|
data->optwhere = 2;
|
data->optwhere = 2;
|
longopt_match = -1;
|
longopt_match = -1;
|
possible_arg = strchr (argv[data->optind] + data->optwhere, '=');
|
possible_arg = strchr (argv[data->optind] + data->optwhere, '=');
|
if (possible_arg == 0)
|
if (possible_arg == 0)
|
{
|
{
|
/* no =, so next argv might be arg */
|
/* no =, so next argv might be arg */
|
match_chars = strlen (argv[data->optind]);
|
match_chars = strlen (argv[data->optind]);
|
possible_arg = argv[data->optind] + match_chars;
|
possible_arg = argv[data->optind] + match_chars;
|
match_chars = match_chars - data->optwhere;
|
match_chars = match_chars - data->optwhere;
|
}
|
}
|
else
|
else
|
match_chars = (possible_arg - argv[data->optind]) - data->optwhere;
|
match_chars = (possible_arg - argv[data->optind]) - data->optwhere;
|
for (optindex = 0; longopts[optindex].name != 0; ++optindex)
|
for (optindex = 0; longopts[optindex].name != 0; ++optindex)
|
{
|
{
|
if (memcmp
|
if (memcmp
|
(argv[data->optind] + data->optwhere, longopts[optindex].name,
|
(argv[data->optind] + data->optwhere, longopts[optindex].name,
|
match_chars) == 0)
|
match_chars) == 0)
|
{
|
{
|
/* do we have an exact match? */
|
/* do we have an exact match? */
|
if (match_chars == (int) (strlen (longopts[optindex].name)))
|
if (match_chars == (int) (strlen (longopts[optindex].name)))
|
{
|
{
|
longopt_match = optindex;
|
longopt_match = optindex;
|
break;
|
break;
|
}
|
}
|
/* do any characters match? */
|
/* do any characters match? */
|
else
|
else
|
{
|
{
|
if (longopt_match < 0)
|
if (longopt_match < 0)
|
longopt_match = optindex;
|
longopt_match = optindex;
|
else
|
else
|
{
|
{
|
/* we have ambiguous options */
|
/* we have ambiguous options */
|
if (data->opterr)
|
if (data->opterr)
|
fprintf (stderr, "%s: option `%s' is ambiguous "
|
fprintf (stderr, "%s: option `%s' is ambiguous "
|
"(could be `--%s' or `--%s')\n",
|
"(could be `--%s' or `--%s')\n",
|
argv[0],
|
argv[0],
|
argv[data->optind],
|
argv[data->optind],
|
longopts[longopt_match].name,
|
longopts[longopt_match].name,
|
longopts[optindex].name);
|
longopts[optindex].name);
|
return (data->optopt = '?');
|
return (data->optopt = '?');
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
if (longopt_match >= 0)
|
if (longopt_match >= 0)
|
has_arg = longopts[longopt_match].has_arg;
|
has_arg = longopts[longopt_match].has_arg;
|
}
|
}
|
|
|
/* if we didn't find a long option, is it a short option? */
|
/* if we didn't find a long option, is it a short option? */
|
if (longopt_match < 0 && shortopts != 0)
|
if (longopt_match < 0 && shortopts != 0)
|
{
|
{
|
cp = strchr (shortopts, argv[data->optind][data->optwhere]);
|
cp = strchr (shortopts, argv[data->optind][data->optwhere]);
|
if (cp == 0)
|
if (cp == 0)
|
{
|
{
|
/* couldn't find option in shortopts */
|
/* couldn't find option in shortopts */
|
if (data->opterr)
|
if (data->opterr)
|
fprintf (stderr,
|
fprintf (stderr,
|
"%s: invalid option -- `-%c'\n",
|
"%s: invalid option -- `-%c'\n",
|
argv[0], argv[data->optind][data->optwhere]);
|
argv[0], argv[data->optind][data->optwhere]);
|
data->optwhere++;
|
data->optwhere++;
|
if (argv[data->optind][data->optwhere] == '\0')
|
if (argv[data->optind][data->optwhere] == '\0')
|
{
|
{
|
data->optind++;
|
data->optind++;
|
data->optwhere = 1;
|
data->optwhere = 1;
|
}
|
}
|
return (data->optopt = '?');
|
return (data->optopt = '?');
|
}
|
}
|
has_arg = ((cp[1] == ':')
|
has_arg = ((cp[1] == ':')
|
? ((cp[2] == ':') ? OPTIONAL_ARG : REQUIRED_ARG) : NO_ARG);
|
? ((cp[2] == ':') ? OPTIONAL_ARG : REQUIRED_ARG) : NO_ARG);
|
possible_arg = argv[data->optind] + data->optwhere + 1;
|
possible_arg = argv[data->optind] + data->optwhere + 1;
|
data->optopt = *cp;
|
data->optopt = *cp;
|
}
|
}
|
|
|
/* get argument and reset data->optwhere */
|
/* get argument and reset data->optwhere */
|
arg_next = 0;
|
arg_next = 0;
|
switch (has_arg)
|
switch (has_arg)
|
{
|
{
|
case OPTIONAL_ARG:
|
case OPTIONAL_ARG:
|
if (*possible_arg == '=')
|
if (*possible_arg == '=')
|
possible_arg++;
|
possible_arg++;
|
data->optarg = (*possible_arg != '\0') ? possible_arg : 0;
|
data->optarg = (*possible_arg != '\0') ? possible_arg : 0;
|
data->optwhere = 1;
|
data->optwhere = 1;
|
break;
|
break;
|
case REQUIRED_ARG:
|
case REQUIRED_ARG:
|
if (*possible_arg == '=')
|
if (*possible_arg == '=')
|
possible_arg++;
|
possible_arg++;
|
if (*possible_arg != '\0')
|
if (*possible_arg != '\0')
|
{
|
{
|
data->optarg = possible_arg;
|
data->optarg = possible_arg;
|
data->optwhere = 1;
|
data->optwhere = 1;
|
}
|
}
|
else if (data->optind + 1 >= argc)
|
else if (data->optind + 1 >= argc)
|
{
|
{
|
if (data->opterr)
|
if (data->opterr)
|
{
|
{
|
fprintf (stderr, "%s: argument required for option `", argv[0]);
|
fprintf (stderr, "%s: argument required for option `", argv[0]);
|
if (longopt_match >= 0)
|
if (longopt_match >= 0)
|
fprintf (stderr, "--%s'\n", longopts[longopt_match].name);
|
fprintf (stderr, "--%s'\n", longopts[longopt_match].name);
|
else
|
else
|
fprintf (stderr, "-%c'\n", *cp);
|
fprintf (stderr, "-%c'\n", *cp);
|
}
|
}
|
data->optind++;
|
data->optind++;
|
return (data->optopt = ':');
|
return (data->optopt = ':');
|
}
|
}
|
else
|
else
|
{
|
{
|
data->optarg = argv[data->optind + 1];
|
data->optarg = argv[data->optind + 1];
|
arg_next = 1;
|
arg_next = 1;
|
data->optwhere = 1;
|
data->optwhere = 1;
|
}
|
}
|
break;
|
break;
|
default: /* shouldn't happen */
|
default: /* shouldn't happen */
|
case NO_ARG:
|
case NO_ARG:
|
if (longopt_match < 0)
|
if (longopt_match < 0)
|
{
|
{
|
data->optwhere++;
|
data->optwhere++;
|
if (argv[data->optind][data->optwhere] == '\0')
|
if (argv[data->optind][data->optwhere] == '\0')
|
data->optwhere = 1;
|
data->optwhere = 1;
|
}
|
}
|
else
|
else
|
data->optwhere = 1;
|
data->optwhere = 1;
|
data->optarg = 0;
|
data->optarg = 0;
|
break;
|
break;
|
}
|
}
|
|
|
/* do we have to permute or otherwise modify data->optind? */
|
/* do we have to permute or otherwise modify data->optind? */
|
if (ordering == PERMUTE && data->optwhere == 1 && num_nonopts != 0)
|
if (ordering == PERMUTE && data->optwhere == 1 && num_nonopts != 0)
|
{
|
{
|
permute (argv + permute_from, num_nonopts, 1 + arg_next);
|
permute (argv + permute_from, num_nonopts, 1 + arg_next);
|
data->optind = permute_from + 1 + arg_next;
|
data->optind = permute_from + 1 + arg_next;
|
}
|
}
|
else if (data->optwhere == 1)
|
else if (data->optwhere == 1)
|
data->optind = data->optind + 1 + arg_next;
|
data->optind = data->optind + 1 + arg_next;
|
|
|
/* finally return */
|
/* finally return */
|
if (longopt_match >= 0)
|
if (longopt_match >= 0)
|
{
|
{
|
if (longind != 0)
|
if (longind != 0)
|
*longind = longopt_match;
|
*longind = longopt_match;
|
if (longopts[longopt_match].flag != 0)
|
if (longopts[longopt_match].flag != 0)
|
{
|
{
|
*(longopts[longopt_match].flag) = longopts[longopt_match].val;
|
*(longopts[longopt_match].flag) = longopts[longopt_match].val;
|
return 0;
|
return 0;
|
}
|
}
|
else
|
else
|
return longopts[longopt_match].val;
|
return longopts[longopt_match].val;
|
}
|
}
|
else
|
else
|
return data->optopt;
|
return data->optopt;
|
}
|
}
|
|
|
int
|
int
|
getopt (int argc, char *const argv[], const char *optstring)
|
getopt (int argc, char *const argv[], const char *optstring)
|
{
|
{
|
struct getopt_data data;
|
struct getopt_data data;
|
int r;
|
int r;
|
|
|
read_globals (&data);
|
read_globals (&data);
|
r = getopt_internal (argc, argv, optstring, 0, 0, 0, &data);
|
r = getopt_internal (argc, argv, optstring, 0, 0, 0, &data);
|
write_globals (&data);
|
write_globals (&data);
|
return r;
|
return r;
|
}
|
}
|
|
|
int
|
int
|
getopt_long (int argc, char *const argv[], const char *shortopts,
|
getopt_long (int argc, char *const argv[], const char *shortopts,
|
const struct option *longopts, int *longind)
|
const struct option *longopts, int *longind)
|
{
|
{
|
struct getopt_data data;
|
struct getopt_data data;
|
int r;
|
int r;
|
|
|
read_globals (&data);
|
read_globals (&data);
|
r = getopt_internal (argc, argv, shortopts, longopts, longind, 0, &data);
|
r = getopt_internal (argc, argv, shortopts, longopts, longind, 0, &data);
|
write_globals (&data);
|
write_globals (&data);
|
return r;
|
return r;
|
}
|
}
|
|
|
int
|
int
|
getopt_long_only (int argc, char *const argv[], const char *shortopts,
|
getopt_long_only (int argc, char *const argv[], const char *shortopts,
|
const struct option *longopts, int *longind)
|
const struct option *longopts, int *longind)
|
{
|
{
|
struct getopt_data data;
|
struct getopt_data data;
|
int r;
|
int r;
|
|
|
read_globals (&data);
|
read_globals (&data);
|
r = getopt_internal (argc, argv, shortopts, longopts, longind, 1, &data);
|
r = getopt_internal (argc, argv, shortopts, longopts, longind, 1, &data);
|
write_globals (&data);
|
write_globals (&data);
|
return r;
|
return r;
|
}
|
}
|
|
|
int
|
int
|
__getopt_r (int argc, char *const argv[], const char *optstring,
|
__getopt_r (int argc, char *const argv[], const char *optstring,
|
struct getopt_data *data)
|
struct getopt_data *data)
|
{
|
{
|
return getopt_internal (argc, argv, optstring, 0, 0, 0, data);
|
return getopt_internal (argc, argv, optstring, 0, 0, 0, data);
|
}
|
}
|
|
|
int
|
int
|
__getopt_long_r (int argc, char *const argv[], const char *shortopts,
|
__getopt_long_r (int argc, char *const argv[], const char *shortopts,
|
const struct option *longopts, int *longind,
|
const struct option *longopts, int *longind,
|
struct getopt_data *data)
|
struct getopt_data *data)
|
{
|
{
|
return getopt_internal (argc, argv, shortopts, longopts, longind, 0, data);
|
return getopt_internal (argc, argv, shortopts, longopts, longind, 0, data);
|
}
|
}
|
|
|
int
|
int
|
__getopt_long_only_r (int argc, char *const argv[], const char *shortopts,
|
__getopt_long_only_r (int argc, char *const argv[], const char *shortopts,
|
const struct option *longopts, int *longind,
|
const struct option *longopts, int *longind,
|
struct getopt_data *data)
|
struct getopt_data *data)
|
{
|
{
|
return getopt_internal (argc, argv, shortopts, longopts, longind, 1, data);
|
return getopt_internal (argc, argv, shortopts, longopts, longind, 1, data);
|
}
|
}
|
|
|
#endif /* !HAVE_GETOPT */
|
#endif /* !HAVE_GETOPT */
|
|
|
/* end of file GETOPT.C */
|
/* end of file GETOPT.C */
|
|
|
