BSD 4.4 Lite Usr.bin Sources

1 files changed, 84 insertions, 0 deletions

diff --git a/usr.bin/window/mloop.c b/usr.bin/window/mloop.c
new file mode 100644
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--- /dev/null
+++ b/usr.bin/window/mloop.c
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+/*
+ * 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";
+#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);
+			}
+		}
+	}
+}