1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* Copyright (C) 2000, 2001 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $ISC: keyboard.c,v 1.4 2001/07/17 20:29:28 gson Exp $ */
#include <config.h>
#include <sys/types.h>
#include <windows.h>
#include <errno.h>
#include <stdlib.h>
#include <string.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);
}
isc_boolean_t
isc_keyboard_canceled(isc_keyboard_t *keyboard) {
return (ISC_TF(keyboard->result == ISC_R_CANCELED));
}
|
