/*
 * 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   */


/*
 * Copyright (c) 1997, by Sun Microsystems, Inc.
 * All rights reserved.
 */

/*LINTLIBRARY*/

#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <sys/types.h>
#include "libadm.h"

static int
match(char *strval, char *set[])
{
        char *found;
        int i, len;

        len = (int)strlen(strval);

        found = NULL;
        for (i = 0; set[i]; i++) {
                if (strncmp(set[i], strval, len) == 0) {
                        if (found)
                                return (-1); /* not unique */
                        found = set[i];
                }
        }

        if (found) {
                (void) strcpy(strval, found);
                return (0);
        }
        return (1);
}

int
ckkeywd(char *strval, char *keyword[], char *defstr, char *error, char *help,
        char *prompt)
{
        int valid, i, n;
        char input[MAX_INPUT];
        char defmesg[512];
        char *ept;

        (void) sprintf(defmesg, "Please enter one of the following keywords: ");
        ept = defmesg + strlen(defmesg);
        for (i = 0; keyword[i]; ) {
                if (i)
                        (void) strcat(ept, ", ");
                (void) strcat(ept, keyword[i++]);
        }
        (void) strcat(ept, ckquit ? ", q." : ".");

        if (!prompt)
                prompt = "Enter appropriate value";

start:
        putprmpt(stderr, prompt, keyword, defstr);
        if (getinput(input))
                return (1);

        n = (int)strlen(input);
        if (n == 0) {
                if (defstr) {
                        (void) strcpy(strval, defstr);
                        return (0);
                }
                puterror(stderr, defmesg, error);
                goto start;
        }
        if (strcmp(input, "?") == 0) {
                puthelp(stderr, defmesg, help);
                goto start;
        }
        if (ckquit && (strcmp(input, "q") == 0)) {
                (void) strcpy(strval, input);
                return (3);
        }

        valid = 1;
        if (keyword)
                valid = !match(input, keyword);

        if (!valid) {
                puterror(stderr, defmesg, error);
                goto start;
        }
        (void) strcpy(strval, input);
        return (0);
}