/***********************************************************************

*                                                                      *

*               This software is part of the ast package               *

*          Copyright (c) 1985-2011 AT&T Intellectual Property          *

*                      and is licensed under the                       *

*                 Eclipse Public License, Version 1.0                  *

*                    by AT&T Intellectual Property                     *

*                                                                      *

*                A copy of the License is available at                 *

*          http://www.eclipse.org/org/documents/epl-v10.html           *

*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *

*                                                                      *

*              Information and Software Systems Research               *

*                            AT&T Research                             *

*                           Florham Park NJ                            *

*                                                                      *

*                 Glenn Fowler <gsf@research.att.com>                  *

*                  David Korn <dgk@research.att.com>                   *

*                   Phong Vo <kpv@research.att.com>                    *

*                                                                      *

***********************************************************************/

#pragma prototyped

#include <ast.h>

#undef	_lib_getopt	/* we can satisfy the api */

#if _lib_getopt

NoN(getopt)

#else

#undef	_BLD_ast	/* enable ast imports since we're user static */

#include <error.h>

#include <option.h>

int		opterr = 1;

int		optind = 1;

int		optopt = 0;

char*		optarg = 0;

static int	lastoptind;

extern int

getopt(int argc, char* const* argv, const char* optstring)

{

	int	n;

	NoP(argc);

	opt_info.index = (optind > 1 || optind == lastoptind) ? optind : 0;

	if (opt_info.index >= argc)

		return -1;

	switch (n = optget((char**)argv, optstring))

	{

	case ':':

		n = '?';

		/*FALLTHROUGH*/

	case '?':

		if (opterr && (!optstring || *optstring != ':'))

		{

			if (!error_info.id)

				error_info.id = argv[0];

			errormsg(NiL, 2, opt_info.arg);

		}

		optopt = opt_info.option[1];

		break;

	case 0:

		n = -1;

		break;

	}

	optarg = opt_info.arg;

	lastoptind = optind = opt_info.index;

	return n;

}

#endif