freebsd-nq/usr.bin/window/mloop.c
2001-05-17 09:38:49 +00:00

87 lines
2.9 KiB
C

/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Edward Wang at The University of California, Berkeley.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 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.
*/
#ifndef lint
static char sccsid[] = "@(#)mloop.c 8.1 (Berkeley) 6/6/93";
static char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include "defs.h"
mloop()
{
while (!quit) {
if (incmd) {
docmd();
} else if (wwcurwin->ww_state != WWS_HASPROC) {
if (!wwcurwin->ww_keepopen)
closewin(wwcurwin);
setcmd(1);
if (wwpeekc() == escapec)
(void) wwgetc();
error("Process died.");
} else {
register struct ww *w = wwcurwin;
register char *p;
register n;
if (wwibp >= wwibq)
wwiomux();
for (p = wwibp; p < wwibq && wwmaskc(*p) != escapec;
p++)
;
if ((n = p - wwibp) > 0) {
if (!w->ww_ispty && w->ww_stopped)
startwin(w);
#if defined(sun) && !defined(BSD)
/* workaround for SunOS pty bug */
while (--n >= 0)
(void) write(w->ww_pty, wwibp++, 1);
#else
(void) write(w->ww_pty, wwibp, n);
wwibp = p;
#endif
}
if (wwpeekc() == escapec) {
(void) wwgetc();
setcmd(1);
}
}
}
}