/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */


#ident  "%Z%%M% %I%     %E% SMI"        /* from SVR4 bnu:getopt.c 2.3 */

#include "uucp.h"

/*      @(#)getopt.c    1.2     */
/*      3.0 SID #       1.2     */
/*LINTLIBRARY*/
#define ERR(s, c)       if(opterr){\
        (void) fputs(argv[0], stderr);\
        (void) fputs(s, stderr);\
        (void) fputc(c, stderr);\
        (void) fputc('\n', stderr);}

extern int strcmp();
extern char *strchr();

int     opterr = 1;
int     optind = 1;
int     optopt;
char    *optarg;

int
getopt(argc, argv, opts)
int     argc;
char    **argv, *opts;
{
        static int sp = 1;
        register int c;
        register char *cp;

        if(sp == 1)
                if(optind >= argc ||
                   argv[optind][0] != '-' || argv[optind][1] == '\0')
                        return(EOF);
                else if(strcmp(argv[optind], "--") == NULL) {
                        optind++;
                        return(EOF);
                }
        optopt = c = argv[optind][sp];
        if(c == ':' || (cp=strchr(opts, c)) == NULL) {
                ERR(": illegal option -- ", c);
                if(argv[optind][++sp] == '\0') {
                        optind++;
                        sp = 1;
                }
                return('?');
        }
        if(*++cp == ':') {
                if(argv[optind][sp+1] != '\0')
                        optarg = &argv[optind++][sp+1];
                else if(++optind >= argc) {
                        ERR(": option requires an argument -- ", c);
                        sp = 1;
                        return('?');
#ifndef NO_MINUS
                } else
                        optarg = argv[optind++];
#else /* NO_MINUS */
                } else {
                        optarg = argv[optind++];
                        if (*optarg == '-') {
                            ERR(": option requires an argument -- ", c);
                            sp = 1;
                            return('?');
                        }
                }
#endif /* NO_MINUS */
                sp = 1;
        } else {
                if(argv[optind][++sp] == '\0') {
                        sp = 1;
                        optind++;
                }
                optarg = NULL;
        }
        return(c);
}