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1.10 ! deraadt 1: /* $OpenBSD: keyboard.c,v 1.8 2001/11/23 22:20:06 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
1.10 ! deraadt 41: static char rcsid[] = "$OpenBSD: keyboard.c,v 1.8 2001/11/23 22:20:06 deraadt Exp $";
1.1 deraadt 42: #endif /* not lint */
43:
44: #include <ctype.h>
45: #include <signal.h>
46: #include <termios.h>
1.10 ! deraadt 47: #include <errno.h>
1.1 deraadt 48:
49: #include "systat.h"
50: #include "extern.h"
51:
1.4 kstailey 52: void
1.1 deraadt 53: keyboard()
54: {
1.10 ! deraadt 55: char ch, line[80];
1.7 millert 56: sigset_t mask, omask;
1.1 deraadt 57:
1.10 ! deraadt 58: for (;;) {
! 59: col = 0;
! 60: move(CMDLINE, 0);
! 61: do {
! 62: if (gotdisplay) {
! 63: display();
! 64: gotdisplay = 0;
! 65: }
! 66: if (gotdie) {
! 67: die();
! 68: }
! 69: if (gotwinch) {
! 70: clearok(curscr, TRUE);
! 71: wrefresh(curscr);
! 72: gotwinch = 0;
! 73: }
! 74:
! 75: refresh();
! 76: if ((ch = getch()) == ERR) {
! 77: if (errno == EINTR)
! 78: continue;
1.6 millert 79: exit(1);
1.10 ! deraadt 80: }
! 81: ch &= 0177;
! 82: if (ch == 0177 && ferror(stdin)) {
! 83: clearerr(stdin);
! 84: continue;
! 85: }
! 86: if (ch >= 'A' && ch <= 'Z')
! 87: ch += 'a' - 'A';
! 88: if (col == 0) {
1.7 millert 89: switch (ch) {
90: case CTRL('l'):
91: case CTRL('g'):
92: sigemptyset(&mask);
93: sigaddset(&mask, SIGALRM);
94: sigprocmask(SIG_BLOCK, &mask, &omask);
95: if (ch == CTRL('l'))
96: wrefresh(curscr);
97: else
98: status();
99: sigprocmask(SIG_SETMASK, &omask, NULL);
1.10 ! deraadt 100: continue;
1.7 millert 101: case ':':
102: break;
103: default:
1.1 deraadt 104: continue;
105: }
1.10 ! deraadt 106: move(CMDLINE, 0);
! 107: clrtoeol();
! 108: }
! 109: if (ch == erasechar() && col > 0) {
! 110: if (col == 1 && line[0] == ':')
! 111: continue;
! 112: col--;
! 113: goto doerase;
! 114: }
! 115: if (ch == CTRL('w') && col > 0) {
! 116: while (--col >= 0 && isspace(line[col]))
! 117: ;
! 118: col++;
! 119: while (--col >= 0 && !isspace(line[col]))
! 120: if (col == 0 && line[0] == ':')
! 121: break;
! 122: col++;
! 123: goto doerase;
! 124: }
! 125: if (ch == killchar() && col > 0) {
! 126: col = 0;
! 127: if (line[0] == ':')
! 128: col++;
! 129: doerase:
! 130: move(CMDLINE, col);
! 131: clrtoeol();
! 132: continue;
! 133: }
1.5 aaron 134: if (col >= sizeof(line) - 1) {
1.3 deraadt 135: /* line too long */
136: beep();
137: continue;
138: }
1.10 ! deraadt 139: if (isprint(ch) || ch == ' ') {
! 140: line[col] = ch;
! 141: mvaddch(CMDLINE, col, ch);
! 142: col++;
! 143: }
! 144: } while (col == 0 || (ch != '\r' && ch != '\n'));
! 145: line[col] = '\0';
1.7 millert 146: sigemptyset(&mask);
147: sigaddset(&mask, SIGALRM);
148: sigprocmask(SIG_BLOCK, &mask, &omask);
1.10 ! deraadt 149: command(line + 1);
1.7 millert 150: sigprocmask(SIG_SETMASK, &omask, NULL);
1.10 ! deraadt 151: }
1.1 deraadt 152: /*NOTREACHED*/
153: }