getopt_long.c File Reference

#include <stdlib.h>
#include <string.h>

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Defines
#define	_CRT_SECURE_NO_WARNINGS   1
#define	_DIAGASSERT(X)
#define	IGNORE_FIRST   (*options == '-' || *options == '+')
#define	PRINT_ERROR
#define	IS_POSIXLY_CORRECT   (getenv("POSIXLY_CORRECT") != NULL)
#define	PERMUTE   (!IS_POSIXLY_CORRECT && !IGNORE_FIRST)
#define	IN_ORDER   (!IS_POSIXLY_CORRECT && *options == '-')
#define	BADCH   (int)'?'
#define	BADARG
#define	INORDER   (int)1
#define	EMSG   ""
Functions
static int	getopt_internal (int, char *const *, const char *)
static int	gcd (int, int)
static void	permute_args (int, int, int, char *const *)
int	getopt_long (int nargc, char *const *nargv, const char *options, const struct option *long_options, int *idx)
Variables
static char *	place = EMSG
static int	nonopt_start = -1
static int	nonopt_end = -1
static const char	recargchar [] = "option requires an argument -- %c"
static const char	recargstring [] = "option requires an argument -- %s"
static const char	ambig [] = "ambiguous option -- %.*s"
static const char	noarg [] = "option doesn't take an argument -- %.*s"
static const char	illoptchar [] = "unknown option -- %c"
static const char	illoptstring [] = "unknown option -- %s"

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Define Documentation

#define _CRT_SECURE_NO_WARNINGS   1

Definition at line 41 of file getopt_long.c.

#define _DIAGASSERT

(

X

)

Definition at line 80 of file getopt_long.c.

#define BADARG

Value:

((IGNORE_FIRST && options[1] == ':') \
             || (*options == ':') ? (int)':' : (int)'?')

Definition at line 115 of file getopt_long.c.

#define BADCH   (int)'?'

Definition at line 114 of file getopt_long.c.

#define EMSG   ""

Definition at line 119 of file getopt_long.c.

#define IGNORE_FIRST   (*options == '-' || *options == '+')

Definition at line 105 of file getopt_long.c.

#define IN_ORDER   (!IS_POSIXLY_CORRECT && *options == '-')

Definition at line 111 of file getopt_long.c.

#define INORDER   (int)1

Definition at line 117 of file getopt_long.c.

#define IS_POSIXLY_CORRECT   (getenv("POSIXLY_CORRECT") != NULL)

Definition at line 108 of file getopt_long.c.

#define PERMUTE   (!IS_POSIXLY_CORRECT && !IGNORE_FIRST)

Definition at line 109 of file getopt_long.c.

#define PRINT_ERROR

Value:

((opterr) && ((*options != ':') \
                      || (IGNORE_FIRST && options[1] != ':')))

Definition at line 106 of file getopt_long.c.

---

Function Documentation

static int gcd	(	int	a,
		int	b
	)			[static]

Definition at line 144 of file getopt_long.c.

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static int getopt_internal	(	int	nargc,
		char *const *	nargv,
		const char *	options
	)			[static]

Definition at line 208 of file getopt_long.c.

References _DIAGASSERT, BADARG, BADCH, EMSG, IGNORE_FIRST, IN_ORDER, INORDER, PERMUTE, permute_args(), and PRINT_ERROR.

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int getopt_long	(	int	nargc,
		char * const *	nargv,
		const char *	options,
		const struct option *	long_options,
		int *	idx
	)

Definition at line 398 of file getopt_long.c.

References _DIAGASSERT, BADARG, BADCH, EMSG, option::flag, getopt_internal(), option::name, no_argument, optional_argument, permute_args(), PRINT_ERROR, required_argument, and option::val.

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static void permute_args	(	int	panonopt_start,
		int	panonopt_end,
		int	opt_end,
		char *const *	nargv
	)			[static]

Definition at line 166 of file getopt_long.c.

References _DIAGASSERT, gcd(), pos(), and std::swap().

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---

Variable Documentation

const char ambig[] = "ambiguous option -- %.*s" [static]

Definition at line 134 of file getopt_long.c.

const char illoptchar[] = "unknown option -- %c" [static]

Definition at line 136 of file getopt_long.c.

const char illoptstring[] = "unknown option -- %s" [static]

Definition at line 137 of file getopt_long.c.

const char noarg[] = "option doesn't take an argument -- %.*s" [static]

Definition at line 135 of file getopt_long.c.

int nonopt_end = -1 [static]

Definition at line 129 of file getopt_long.c.

int nonopt_start = -1 [static]

Definition at line 128 of file getopt_long.c.

char* place = EMSG [static]

Definition at line 125 of file getopt_long.c.

const char recargchar[] = "option requires an argument -- %c" [static]

Definition at line 132 of file getopt_long.c.

const char recargstring[] = "option requires an argument -- %s" [static]

Definition at line 133 of file getopt_long.c.