/*

 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, you can obtain one at https://mozilla.org/MPL/2.0/.

 *

 * See the COPYRIGHT file distributed with this work for additional

 * information regarding copyright ownership.

 */

#include <config.h>

#include <sys/types.h>

#include <windows.h>

#include <errno.h>

#include <stdlib.h>

#include <string.h>

#include <stdbool.h>

#include <stdio.h>

#include <unistd.h>

#include <fcntl.h>

#include <io.h>

#include <isc/keyboard.h>

#include <isc/util.h>

isc_result_t

isc_keyboard_open(isc_keyboard_t *keyboard) {

	int fd;

	REQUIRE(keyboard != NULL);

	fd = _fileno(stdin);

	if (fd < 0)

		return (ISC_R_IOERROR);

	keyboard->fd = fd;

	keyboard->result = ISC_R_SUCCESS;

	return (ISC_R_SUCCESS);

}

isc_result_t

isc_keyboard_close(isc_keyboard_t *keyboard, unsigned int sleeptime) {

	REQUIRE(keyboard != NULL);

	if (sleeptime > 0 && keyboard->result != ISC_R_CANCELED)

		(void)Sleep(sleeptime*1000);

	keyboard->fd = -1;

	return (ISC_R_SUCCESS);

}

isc_result_t

isc_keyboard_getchar(isc_keyboard_t *keyboard, unsigned char *cp) {

	ssize_t cc;

	unsigned char c;

	REQUIRE(keyboard != NULL);

	REQUIRE(cp != NULL);

	cc = read(keyboard->fd, &c, 1);

	if (cc < 0) {

		keyboard->result = ISC_R_IOERROR;

		return (keyboard->result);

	}

	*cp = c;

	return (ISC_R_SUCCESS);

}

bool

isc_keyboard_canceled(isc_keyboard_t *keyboard) {

	return (keyboard->result == ISC_R_CANCELED);

}