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Annotation of embedaddon/ntp/lib/isc/win32/keyboard.c, revision 1.1.1.1

1.1       misho       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: 
                     37: isc_result_t
                     38: isc_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: 
                     54: isc_result_t
                     55: isc_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: 
                     66: isc_result_t
                     67: isc_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: 
                     85: isc_boolean_t
                     86: isc_keyboard_canceled(isc_keyboard_t *keyboard) {
                     87:        return (ISC_TF(keyboard->result == ISC_R_CANCELED));
                     88: }
                     89: