initial import of NetBSD tree

1 files changed, 77 insertions, 0 deletions

diff --git a/lib/libcurses/mvwin.c b/lib/libcurses/mvwin.c
new file mode 100644
index 00000000000..1471b27e186
--- /dev/null
+++ b/lib/libcurses/mvwin.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 1981, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * 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[] = "@(#)mvwin.c	8.2 (Berkeley) 5/4/94";
+#endif	/* not lint */
+
+#include "curses.h"
+
+/*
+ * mvwin --
+ *	Relocate the starting position of a window.
+ */
+int
+mvwin(win, by, bx)
+	register WINDOW *win;
+	register int by, bx;
+{
+	register WINDOW *orig;
+	register int dy, dx;
+
+	if (by + win->maxy > LINES || bx + win->maxx > COLS)
+		return (ERR);
+	dy = by - win->begy;
+	dx = bx - win->begx;
+	orig = win->orig;
+	if (orig == NULL) {
+		orig = win;
+		do {
+			win->begy += dy;
+			win->begx += dx;
+			__swflags(win);
+			win = win->nextp;
+		} while (win != orig);
+	} else {
+		if (by < orig->begy || win->maxy + dy > orig->maxy)
+			return (ERR);
+		if (bx < orig->begx || win->maxx + dx > orig->maxx)
+			return (ERR);
+		win->begy = by;
+		win->begx = bx;
+		__swflags(win);
+		__set_subwin(orig, win);
+	}
+	__touchwin(win);
+	return (OK);
+}