1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Edward Wang at The University of California, Berkeley. 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. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)mloop.c 8.1 (Berkeley) 6/6/93 37 * $FreeBSD: src/usr.bin/window/mloop.c,v 1.1.1.1.14.1 2001/05/17 09:45:00 obrien Exp $ 38 * $DragonFly: src/usr.bin/window/mloop.c,v 1.2 2003/06/17 04:29:34 dillon Exp $ 39 */ 40 41 #include <sys/param.h> 42 #include "defs.h" 43 44 mloop() 45 { 46 while (!quit) { 47 if (incmd) { 48 docmd(); 49 } else if (wwcurwin->ww_state != WWS_HASPROC) { 50 if (!wwcurwin->ww_keepopen) 51 closewin(wwcurwin); 52 setcmd(1); 53 if (wwpeekc() == escapec) 54 (void) wwgetc(); 55 error("Process died."); 56 } else { 57 register struct ww *w = wwcurwin; 58 register char *p; 59 register n; 60 61 if (wwibp >= wwibq) 62 wwiomux(); 63 for (p = wwibp; p < wwibq && wwmaskc(*p) != escapec; 64 p++) 65 ; 66 if ((n = p - wwibp) > 0) { 67 if (!w->ww_ispty && w->ww_stopped) 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 } 85