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1.3 deraadt 1: /* $OpenBSD: keyboard.c,v 1.2 1996/06/26 05:40:07 deraadt Exp $ */
1.1 deraadt 2: /* $NetBSD: keyboard.c,v 1.2 1995/01/20 08:51:59 jtc Exp $ */
3:
4: /*-
5: * Copyright (c) 1980, 1992, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: */
36:
37: #ifndef lint
38: #if 0
39: static char sccsid[] = "@(#)keyboard.c 8.1 (Berkeley) 6/6/93";
40: #endif
1.3 deraadt 41: static char rcsid[] = "$OpenBSD: keyboard.c,v 1.2 1996/06/26 05:40:07 deraadt Exp $";
1.1 deraadt 42: #endif /* not lint */
43:
44: #include <ctype.h>
45: #include <signal.h>
46: #include <termios.h>
47:
48: #include "systat.h"
49: #include "extern.h"
50:
1.4 ! kstailey 51: void
1.1 deraadt 52: keyboard()
53: {
54: char ch, line[80];
55: int oldmask;
56:
57: for (;;) {
58: col = 0;
59: move(CMDLINE, 0);
60: do {
61: refresh();
62: ch = getch() & 0177;
63: if (ch == 0177 && ferror(stdin)) {
64: clearerr(stdin);
65: continue;
66: }
67: if (ch >= 'A' && ch <= 'Z')
68: ch += 'a' - 'A';
69: if (col == 0) {
70: #define mask(s) (1 << ((s) - 1))
71: if (ch == CTRL('l')) {
72: oldmask = sigblock(mask(SIGALRM));
73: wrefresh(curscr);
74: sigsetmask(oldmask);
75: continue;
76: }
77: if (ch == CTRL('g')) {
78: oldmask = sigblock(mask(SIGALRM));
79: status();
80: sigsetmask(oldmask);
81: continue;
82: }
83: if (ch != ':')
84: continue;
85: move(CMDLINE, 0);
86: clrtoeol();
87: }
88: if (ch == erasechar() && col > 0) {
89: if (col == 1 && line[0] == ':')
90: continue;
91: col--;
92: goto doerase;
93: }
94: if (ch == CTRL('w') && col > 0) {
95: while (--col >= 0 && isspace(line[col]))
96: ;
97: col++;
98: while (--col >= 0 && !isspace(line[col]))
99: if (col == 0 && line[0] == ':')
100: break;
101: col++;
102: goto doerase;
103: }
104: if (ch == killchar() && col > 0) {
105: col = 0;
106: if (line[0] == ':')
107: col++;
108: doerase:
109: move(CMDLINE, col);
110: clrtoeol();
111: continue;
112: }
1.3 deraadt 113: if (col >= sizeof(line)) {
114: /* line too long */
115: beep();
116: continue;
117: }
1.1 deraadt 118: if (isprint(ch) || ch == ' ') {
119: line[col] = ch;
120: mvaddch(CMDLINE, col, ch);
121: col++;
122: }
123: } while (col == 0 || (ch != '\r' && ch != '\n'));
124: line[col] = '\0';
125: oldmask = sigblock(mask(SIGALRM));
126: command(line + 1);
127: sigsetmask(oldmask);
128: }
129: /*NOTREACHED*/
130: }