386BSD 0.1 development

[unix-history] / usr / src / lib / libcurses / move.c

diff --git a/usr/src/lib/libcurses/move.c b/usr/src/lib/libcurses/move.c
index fec8164..78c104b 100644 (file)
--- a/usr/src/lib/libcurses/move.c
+++ b/usr/src/lib/libcurses/move.c
@@ -1,9 +1,45 @@
+/*
+ * Copyright (c) 1981 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[] = "@(#)move.c     5.5 (Berkeley) 6/1/90";
+#endif /* not lint */
+

 # include      "curses.ext"
 
 /*
  *     This routine moves the cursor to the given point
  *
 # include      "curses.ext"
 
 /*
  *     This routine moves the cursor to the given point
  *

- * @(#)move.c  1.1 (Berkeley) %G%

  */
 wmove(win, y, x)
 reg WINDOW     *win;
  */
 wmove(win, y, x)
 reg WINDOW     *win;


@@ -12,6 +48,8 @@ reg int               y, x; {
 # ifdef DEBUG
        fprintf(outf, "MOVE to (%d, %d)\n", y, x);
 # endif
 # ifdef DEBUG
        fprintf(outf, "MOVE to (%d, %d)\n", y, x);
 # endif

+       if (x < 0 || y < 0)
+               return ERR;

        if (x >= win->_maxx || y >= win->_maxy)
                return ERR;
        win->_curx = x;
        if (x >= win->_maxx || y >= win->_maxy)
                return ERR;
        win->_curx = x;