![[BACK]](/icons/back.gif){kind=icon}
Return to keyboard.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / systat|
Return to keyboard.c CVS log | Up to [local] / src / usr.bin / systat |
1.15 ! deraadt 1: /* $OpenBSD: keyboard.c,v 1.14 2003/07/10 00:06:51 david 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.
1.13 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: */
32:
33: #ifndef lint
34: #if 0
35: static char sccsid[] = "@(#)keyboard.c 8.1 (Berkeley) 6/6/93";
36: #endif
1.15 ! deraadt 37: static char rcsid[] = "$OpenBSD: keyboard.c,v 1.14 2003/07/10 00:06:51 david Exp $";
1.1 deraadt 38: #endif /* not lint */
39:
40: #include <ctype.h>
41: #include <signal.h>
1.14 david 42: #include <stdlib.h>
1.1 deraadt 43: #include <termios.h>
1.10 deraadt 44: #include <errno.h>
1.1 deraadt 45:
46: #include "systat.h"
47: #include "extern.h"
48:
1.4 kstailey 49: void
1.12 deraadt 50: keyboard(void)
1.1 deraadt 51: {
1.11 deraadt 52: char line[80];
1.7 millert 53: sigset_t mask, omask;
1.11 deraadt 54: int ch;
1.1 deraadt 55:
1.10 deraadt 56: for (;;) {
57: col = 0;
58: move(CMDLINE, 0);
59: do {
1.15 ! deraadt 60: if (gottstp) {
! 61: endwin();
! 62: kill(getpid(), SIGSTOP);
! 63: gotwinch = 1;
! 64: gottstp = 0;
! 65: }
1.10 deraadt 66: if (gotdisplay) {
67: display();
68: gotdisplay = 0;
69: }
70: if (gotdie) {
71: die();
72: }
73: if (gotwinch) {
74: clearok(curscr, TRUE);
75: wrefresh(curscr);
76: gotwinch = 0;
77: }
78:
79: refresh();
80: if ((ch = getch()) == ERR) {
81: if (errno == EINTR)
82: continue;
1.6 millert 83: exit(1);
1.10 deraadt 84: }
85: ch &= 0177;
86: if (ch == 0177 && ferror(stdin)) {
87: clearerr(stdin);
88: continue;
89: }
90: if (ch >= 'A' && ch <= 'Z')
91: ch += 'a' - 'A';
92: if (col == 0) {
1.7 millert 93: switch (ch) {
94: case CTRL('l'):
95: case CTRL('g'):
96: sigemptyset(&mask);
97: sigaddset(&mask, SIGALRM);
98: sigprocmask(SIG_BLOCK, &mask, &omask);
99: if (ch == CTRL('l'))
100: wrefresh(curscr);
101: else
102: status();
103: sigprocmask(SIG_SETMASK, &omask, NULL);
1.10 deraadt 104: continue;
1.7 millert 105: case ':':
106: break;
107: default:
1.1 deraadt 108: continue;
109: }
1.10 deraadt 110: move(CMDLINE, 0);
111: clrtoeol();
112: }
113: if (ch == erasechar() && col > 0) {
114: if (col == 1 && line[0] == ':')
115: continue;
116: col--;
117: goto doerase;
118: }
119: if (ch == CTRL('w') && col > 0) {
120: while (--col >= 0 && isspace(line[col]))
121: ;
122: col++;
123: while (--col >= 0 && !isspace(line[col]))
124: if (col == 0 && line[0] == ':')
125: break;
126: col++;
127: goto doerase;
128: }
129: if (ch == killchar() && col > 0) {
130: col = 0;
131: if (line[0] == ':')
132: col++;
133: doerase:
134: move(CMDLINE, col);
135: clrtoeol();
136: continue;
137: }
1.5 aaron 138: if (col >= sizeof(line) - 1) {
1.3 deraadt 139: /* line too long */
140: beep();
141: continue;
142: }
1.10 deraadt 143: if (isprint(ch) || ch == ' ') {
144: line[col] = ch;
145: mvaddch(CMDLINE, col, ch);
146: col++;
147: }
148: } while (col == 0 || (ch != '\r' && ch != '\n'));
149: line[col] = '\0';
1.7 millert 150: sigemptyset(&mask);
151: sigaddset(&mask, SIGALRM);
152: sigprocmask(SIG_BLOCK, &mask, &omask);
1.10 deraadt 153: command(line + 1);
1.7 millert 154: sigprocmask(SIG_SETMASK, &omask, NULL);
1.10 deraadt 155: }
1.1 deraadt 156: /*NOTREACHED*/
157: }