123 lines
3.3 KiB
C
123 lines
3.3 KiB
C
/*-
|
|
* Copyright (c) 1980, 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#ifdef lint
|
|
static const char sccsid[] = "@(#)keyboard.c 8.1 (Berkeley) 6/6/93";
|
|
#endif
|
|
|
|
#include <errno.h>
|
|
#include <ctype.h>
|
|
#include <signal.h>
|
|
#include <stdlib.h>
|
|
#include <termios.h>
|
|
|
|
#include "systat.h"
|
|
#include "extern.h"
|
|
|
|
int
|
|
keyboard(void)
|
|
{
|
|
char line[80];
|
|
int ch, oldmask;
|
|
|
|
for (;;) {
|
|
col = 0;
|
|
move(CMDLINE, 0);
|
|
do {
|
|
refresh();
|
|
ch = getch();
|
|
if (ch == ERR) {
|
|
if (errno == EINTR)
|
|
continue;
|
|
exit(1);
|
|
}
|
|
if (ch >= 'A' && ch <= 'Z')
|
|
ch += 'a' - 'A';
|
|
if (col == 0) {
|
|
#define mask(s) (1 << ((s) - 1))
|
|
if (ch == CTRL('l')) {
|
|
oldmask = sigblock(mask(SIGALRM));
|
|
wrefresh(curscr);
|
|
sigsetmask(oldmask);
|
|
continue;
|
|
}
|
|
if (ch == CTRL('g')) {
|
|
oldmask = sigblock(mask(SIGALRM));
|
|
status();
|
|
sigsetmask(oldmask);
|
|
continue;
|
|
}
|
|
if (ch != ':')
|
|
continue;
|
|
move(CMDLINE, 0);
|
|
clrtoeol();
|
|
}
|
|
if (ch == erasechar() && col > 0) {
|
|
if (col == 1 && line[0] == ':')
|
|
continue;
|
|
col--;
|
|
goto doerase;
|
|
}
|
|
if (ch == CTRL('w') && col > 0) {
|
|
while (--col >= 0 && isspace(line[col]))
|
|
;
|
|
col++;
|
|
while (--col >= 0 && !isspace(line[col]))
|
|
if (col == 0 && line[0] == ':')
|
|
break;
|
|
col++;
|
|
goto doerase;
|
|
}
|
|
if (ch == killchar() && col > 0) {
|
|
col = 0;
|
|
if (line[0] == ':')
|
|
col++;
|
|
doerase:
|
|
move(CMDLINE, col);
|
|
clrtoeol();
|
|
continue;
|
|
}
|
|
if (isprint(ch) || ch == ' ') {
|
|
line[col] = ch;
|
|
mvaddch(CMDLINE, col, ch);
|
|
col++;
|
|
}
|
|
} while (col == 0 || (ch != '\r' && ch != '\n'));
|
|
line[col] = '\0';
|
|
oldmask = sigblock(mask(SIGALRM));
|
|
command(line + 1);
|
|
sigsetmask(oldmask);
|
|
}
|
|
/*NOTREACHED*/
|
|
}
|