2 * Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 2000, 2001 Internet Software Consortium.
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.
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.
18 /* $Id: keyboard.c,v 1.7 2007/06/19 23:47:19 tbox Exp $ */
22 #include <sys/types.h>
34 #include <isc/keyboard.h>
38 isc_keyboard_open(isc_keyboard_t *keyboard) {
41 REQUIRE(keyboard != NULL);
45 return (ISC_R_IOERROR);
49 keyboard->result = ISC_R_SUCCESS;
51 return (ISC_R_SUCCESS);
55 isc_keyboard_close(isc_keyboard_t *keyboard, unsigned int sleeptime) {
56 REQUIRE(keyboard != NULL);
58 if (sleeptime > 0 && keyboard->result != ISC_R_CANCELED)
59 (void)Sleep(sleeptime*1000);
63 return (ISC_R_SUCCESS);
67 isc_keyboard_getchar(isc_keyboard_t *keyboard, unsigned char *cp) {
71 REQUIRE(keyboard != NULL);
74 cc = read(keyboard->fd, &c, 1);
76 keyboard->result = ISC_R_IOERROR;
77 return (keyboard->result);
82 return (ISC_R_SUCCESS);
86 isc_keyboard_canceled(isc_keyboard_t *keyboard) {
87 return (ISC_TF(keyboard->result == ISC_R_CANCELED));