libadm/common/ckint.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.
 */

/*LINTLIBRARY*/
#pragma ident   "%Z%%M% %I% %E% SMI"    /* SVr4.0 1.3 */

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

static void
setmsg(char *msg, short base)
{
    if ((base == 0) || (base == 10))
        (void) sprintf(msg, "Please enter an integer.");
    else
        (void) sprintf(msg, "Please enter a base %d integer.", base);
}

static void
setprmpt(char *prmpt, short base)
{
    if ((base == 0) || (base == 10))
        (void) sprintf(prmpt, "Enter an integer.");
    else
        (void) sprintf(prmpt, "Enter a base %d integer.", base);
}

int
ckint_val(char *value, short base)
{
    char    *ptr;

    (void) strtol(value, &ptr, (int)base);
    if (*ptr == '\0')
        return (0);
    return (1);
}

void
ckint_err(short base, char *error)
{
    char    defmesg[64];

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

void
ckint_hlp(short base, char *help)
{
    char    defmesg[64];

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

int
ckint(long *intval, short base, char *defstr, char *error, char *help,
    char *prompt)
{
    long    value;
    char    *ptr,
        input[MAX_INPUT],
        defmesg[64],
        temp[64];

    if (!prompt) {
        setprmpt(temp, base);
        prompt = temp;
    }
    setmsg(defmesg, base);

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

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

    value = strtol(input, &ptr, (int)base);
    if (*ptr != '\0') {
        puterror(stderr, defmesg, error);
        goto start;
    }
    *intval = value;
    return (0);
}