Annotation of src/usr.bin/window/mloop.c, Revision 1.6
1.6 ! mpech 1: /* $OpenBSD: mloop.c,v 1.5 1997/02/25 00:04:10 downsj Exp $ */
1.3 niklas 2: /* $NetBSD: mloop.c,v 1.5 1996/02/08 20:45:03 mycroft Exp $ */
1.1 deraadt 3:
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.
19: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the University of
22: * California, Berkeley and its contributors.
23: * 4. Neither the name of the University nor the names of its contributors
24: * may be used to endorse or promote products derived from this software
25: * without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37: * SUCH DAMAGE.
38: */
39:
40: #ifndef lint
41: #if 0
42: static char sccsid[] = "@(#)mloop.c 8.1 (Berkeley) 6/6/93";
43: #else
1.6 ! mpech 44: static char rcsid[] = "$OpenBSD: mloop.c,v 1.5 1997/02/25 00:04:10 downsj Exp $";
1.1 deraadt 45: #endif
46: #endif /* not lint */
47:
48: #include <sys/param.h>
49: #include "defs.h"
50:
51: mloop()
52: {
53: while (!quit) {
54: if (incmd) {
55: docmd();
56: } else if (wwcurwin->ww_state != WWS_HASPROC) {
1.3 niklas 57: if (!ISSET(wwcurwin->ww_uflags, WWU_KEEPOPEN))
1.1 deraadt 58: closewin(wwcurwin);
59: setcmd(1);
60: if (wwpeekc() == escapec)
61: (void) wwgetc();
62: error("Process died.");
63: } else {
1.6 ! mpech 64: struct ww *w = wwcurwin;
! 65: char *p;
! 66: int n;
1.1 deraadt 67:
1.2 deraadt 68: if (wwibp >= wwibq) {
69: wwibp = wwibq = wwib;
1.1 deraadt 70: wwiomux();
1.2 deraadt 71: }
1.1 deraadt 72: for (p = wwibp; p < wwibq && wwmaskc(*p) != escapec;
73: p++)
74: ;
75: if ((n = p - wwibp) > 0) {
1.3 niklas 76: if (w->ww_type != WWT_PTY &&
77: ISSET(w->ww_pflags, WWP_STOPPED))
1.1 deraadt 78: startwin(w);
79: #if defined(sun) && !defined(BSD)
80: /* workaround for SunOS pty bug */
81: while (--n >= 0)
82: (void) write(w->ww_pty, wwibp++, 1);
83: #else
84: (void) write(w->ww_pty, wwibp, n);
85: wwibp = p;
86: #endif
87: }
88: if (wwpeekc() == escapec) {
89: (void) wwgetc();
90: setcmd(1);
91: }
92: }
93: }
94: }