2 * Copyright (c) 1980, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)keyboard.c 8.1 (Berkeley) 6/6/93
35 * $DragonFly: src/usr.bin/systat/keyboard.c,v 1.3 2003/10/04 20:36:51 hmp Exp $
57 if (ch == 0177 && ferror(stdin)) {
61 if (ch >= 'A' && ch <= 'Z')
64 #define mask(s) (1 << ((s) - 1))
65 if (ch == CTRL('l')) {
66 oldmask = sigblock(mask(SIGALRM));
71 if (ch == CTRL('g')) {
72 oldmask = sigblock(mask(SIGALRM));
82 if (ch == erasechar() && col > 0) {
83 if (col == 1 && line[0] == ':')
88 if (ch == CTRL('w') && col > 0) {
89 while (--col >= 0 && isspace(line[col]))
92 while (--col >= 0 && !isspace(line[col]))
93 if (col == 0 && line[0] == ':')
98 if (ch == killchar() && col > 0) {
107 if (isprint(ch) || ch == ' ') {
109 mvaddch(CMDLINE, col, ch);
112 } while (col == 0 || (ch != '\r' && ch != '\n'));
114 oldmask = sigblock(mask(SIGALRM));