1/*
2 * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 2000, 2001  Internet Software Consortium.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
16 */
17
18/* $Id: keyboard.c,v 1.7 2007/06/19 23:47:19 tbox Exp $ */
19
20#include <config.h>
21
22#include <sys/types.h>
23
24#include <windows.h>
25#include <errno.h>
26#include <stdlib.h>
27#include <string.h>
28#include <stdio.h>
29#include <unistd.h>
30#include <fcntl.h>
31
32#include <io.h>
33
34#include <isc/keyboard.h>
35#include <isc/util.h>
36
37isc_result_t
38isc_keyboard_open(isc_keyboard_t *keyboard) {
39	int fd;
40
41	REQUIRE(keyboard != NULL);
42
43	fd = _fileno(stdin);
44	if (fd < 0)
45		return (ISC_R_IOERROR);
46
47	keyboard->fd = fd;
48
49	keyboard->result = ISC_R_SUCCESS;
50
51	return (ISC_R_SUCCESS);
52}
53
54isc_result_t
55isc_keyboard_close(isc_keyboard_t *keyboard, unsigned int sleeptime) {
56	REQUIRE(keyboard != NULL);
57
58	if (sleeptime > 0 && keyboard->result != ISC_R_CANCELED)
59		(void)Sleep(sleeptime*1000);
60
61	keyboard->fd = -1;
62
63	return (ISC_R_SUCCESS);
64}
65
66isc_result_t
67isc_keyboard_getchar(isc_keyboard_t *keyboard, unsigned char *cp) {
68	ssize_t cc;
69	unsigned char c;
70
71	REQUIRE(keyboard != NULL);
72	REQUIRE(cp != NULL);
73
74	cc = read(keyboard->fd, &c, 1);
75	if (cc < 0) {
76		keyboard->result = ISC_R_IOERROR;
77		return (keyboard->result);
78	}
79
80	*cp = c;
81
82	return (ISC_R_SUCCESS);
83}
84
85isc_boolean_t
86isc_keyboard_canceled(isc_keyboard_t *keyboard) {
87	return (ISC_TF(keyboard->result == ISC_R_CANCELED));
88}
89
90