libadm/common/ckkeywd.c

/*
 * 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.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"    /* SVr4.0 1.1 */
/*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);
}