window(1): Remove __RCSID & friends.
[dragonfly.git] / usr.bin / window / mloop.c
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2c872e05 1/* @(#)mloop.c 8.1 (Berkeley) 6/6/93 */
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2/* $NetBSD: mloop.c,v 1.8 2003/08/07 11:17:27 agc Exp $ */
3
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4/*
5 * Copyright (c) 1983, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Edward Wang at The University of California, Berkeley.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
abecab39 19 * 3. Neither the name of the University nor the names of its contributors
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20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
984263bc 36#include <sys/param.h>
abecab39 37#include <unistd.h>
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38#include "defs.h"
39
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40void
41mloop(void)
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42{
43 while (!quit) {
44 if (incmd) {
45 docmd();
46 } else if (wwcurwin->ww_state != WWS_HASPROC) {
abecab39 47 if (!ISSET(wwcurwin->ww_uflags, WWU_KEEPOPEN))
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48 closewin(wwcurwin);
49 setcmd(1);
50 if (wwpeekc() == escapec)
51 (void) wwgetc();
52 error("Process died.");
53 } else {
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54 struct ww *w = wwcurwin;
55 char *p;
56 int n;
984263bc 57
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58 if (wwibp >= wwibq) {
59 wwibp = wwibq = wwib;
984263bc 60 wwiomux();
abecab39 61 }
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62 for (p = wwibp; p < wwibq && wwmaskc(*p) != escapec;
63 p++)
64 ;
65 if ((n = p - wwibp) > 0) {
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66 if (w->ww_type != WWT_PTY &&
67 ISSET(w->ww_pflags, WWP_STOPPED))
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68 startwin(w);
69#if defined(sun) && !defined(BSD)
70 /* workaround for SunOS pty bug */
71 while (--n >= 0)
72 (void) write(w->ww_pty, wwibp++, 1);
73#else
74 (void) write(w->ww_pty, wwibp, n);
75 wwibp = p;
76#endif
77 }
78 if (wwpeekc() == escapec) {
79 (void) wwgetc();
80 setcmd(1);
81 }
82 }
83 }
84}