/*
 * 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 <stdlib.h>
#include <limits.h>
#include <sys/types.h>
#include "libadm.h"

#define MSGSIZ  256
#define PROMPT10        "Enter an integer between %ld and %ld"
#define PROMPT          "Enter a base %d integer between %ld and %ld"
#define MESG10          "Please enter an integer between %ld and %ld."
#define MESG            "Please enter a base %d integer between %ld and %ld."

static void
setmsg(char *msg, long lower, long upper, int base)
{
        if ((base == 10) || (base == 0))
                (void) sprintf(msg, MESG10, lower, upper);
        else
                (void) sprintf(msg, MESG, base, lower, upper);
}

void
ckrange_err(long lower, long upper, int base, char *error)
{
        char    defmesg[MSGSIZ];

        setmsg(defmesg, lower, upper, base);
        puterror(stdout, defmesg, error);
}

void
ckrange_hlp(long lower, long upper, int base, char *help)
{
        char    defmesg[MSGSIZ];

        setmsg(defmesg, lower, upper, base);
        puthelp(stdout, defmesg, help);
}

int
ckrange_val(long lower, long upper, int base, char *input)
{
        char    *ptr;
        long    value;

        value = strtol(input, &ptr, base);
        if ((*ptr != '\0') || (value < lower) || (value > upper))
                return (1);
        return (0);
}

int
ckrange(long *rngval, long lower, long upper, short base, char *defstr,
        char *error, char *help, char *prompt)
{
        int     valid, n;
        long    value;
        char    *ptr;
        char    input[MAX_INPUT];
        char    defmesg[MSGSIZ];
        char    defpmpt[128];
        char    buffer[64];
        char    *choices[2];

        if (lower >= upper)
                return (2);

        (void) sprintf(buffer, "%ld-%ld", lower, upper);

        if (base == 0)
                base = 10;

        if (!prompt) {
                if (base == 10)
                        (void) sprintf(defpmpt, PROMPT10, lower, upper);
                else
                        (void) sprintf(defpmpt, PROMPT, base, lower, upper);
                prompt = defpmpt;
        }

        setmsg(defmesg, lower, upper, base);
        choices[0] = buffer;
        choices[1] = NULL;

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

        n = (int)strlen(input);
        if (n == 0) {
                if (defstr) {
                        *rngval = strtol(defstr, NULL, base);
                        return (0);
                }
                puterror(stderr, defmesg, error);
                goto start;
        }
        if (strcmp(input, "?") == 0) {
                puthelp(stderr, defmesg, help);
                goto start;
        }
        if (ckquit && (strcmp(input, "q") == 0))
                return (3);

        value = strtol(input, &ptr, base);
        if (*ptr == '\0')
                valid = ((value >= lower) && (value <= upper));
        else
                valid = 0;
        if (!valid) {
                puterror(stderr, defmesg, error);
                goto start;
        }
        *rngval = value;
        return (0);
}