/*
 * 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 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

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

#define BLOCKLEN        5120

/* incr doesn't include a null termination */
#define ALLOC_BUFMEM(buf, size, incr) \
        { \
                size_t  len = strlen(buf); \
                if ((len + incr) >= size) { \
                        size = len + incr + 1; \
                        if ((buf = (char *)realloc((void *)buf, size)) \
                            == NULL) { \
                                (void) fputs( \
                                gettext("getopt: Out of memory\n"), stderr); \
                                exit(2); \
                        } \
                } \
        }

int
main(int argc, char **argv)
{
        int     c;
        int     errflg = 0;
        char    tmpstr[4];
        char    *outstr;
        char    *goarg;
        size_t  bufsize;

        (void) setlocale(LC_ALL, "");
#if !defined(TEXT_DOMAIN)       /* Should be defined by cc -D */
#define TEXT_DOMAIN "SYS_TEST"  /* Use this only if it weren't */
#endif
        (void) textdomain(TEXT_DOMAIN);

        if (argc < 2) {
                (void) fputs(gettext("usage: getopt legal-args $*\n"), stderr);
                exit(2);
        }

        goarg = argv[1];
        argv[1] = argv[0];
        argv++;
        argc--;

        bufsize = BLOCKLEN;
        if ((outstr = (char *)malloc(bufsize)) == NULL) {
                (void) fputs(gettext("getopt: Out of memory\n"), stderr);
                exit(2);
        }
        outstr[0] = '\0';

        while ((c = getopt(argc, argv, goarg)) != EOF) {
                if (c == '?') {
                        errflg++;
                        continue;
                }

                tmpstr[0] = '-';
                tmpstr[1] = (char)c;
                tmpstr[2] = ' ';
                tmpstr[3] = '\0';

                /* If the buffer is full, expand it as appropriate */
                ALLOC_BUFMEM(outstr, bufsize, 3);

                (void) strcat(outstr, tmpstr);

                if (*(strchr(goarg, c)+1) == ':') {
                        ALLOC_BUFMEM(outstr, bufsize, strlen(optarg)+1)
                        (void) strcat(outstr, optarg);
                        (void) strcat(outstr, " ");
                }
        }

        if (errflg) {
                exit(2);
        }

        ALLOC_BUFMEM(outstr, bufsize, 3)
        (void) strcat(outstr, "-- ");
        while (optind < argc) {
                ALLOC_BUFMEM(outstr, bufsize, strlen(argv[optind])+1)
                (void) strcat(outstr, argv[optind++]);
                (void) strcat(outstr, " ");
        }

        (void) printf("%s\n", outstr);
        return (0);
}