[src/trunk]: src/lib/libcurses Fix an off-by-one error.

[roy <roy%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/28accdc154b0
branches:  trunk
changeset: 751920:28accdc154b0
user:      roy <roy%NetBSD.org@localhost>
date:      Mon Feb 08 20:45:22 2010 +0000

description:
Fix an off-by-one error.
Thanks to Matthias Drochner.

diffstat:

 lib/libcurses/refresh.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (36 lines):

diff -r 0ce5b465a2ca -r 28accdc154b0 lib/libcurses/refresh.c
--- a/lib/libcurses/refresh.c   Mon Feb 08 20:44:01 2010 +0000
+++ b/lib/libcurses/refresh.c   Mon Feb 08 20:45:22 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: refresh.c,v 1.72 2010/02/03 15:34:40 roy Exp $ */
+/*     $NetBSD: refresh.c,v 1.73 2010/02/08 20:45:22 roy Exp $ */
 
 /*
  * Copyright (c) 1981, 1993, 1994
@@ -34,7 +34,7 @@
 #if 0
 static char sccsid[] = "@(#)refresh.c  8.7 (Berkeley) 8/13/94";
 #else
-__RCSID("$NetBSD: refresh.c,v 1.72 2010/02/03 15:34:40 roy Exp $");
+__RCSID("$NetBSD: refresh.c,v 1.73 2010/02/08 20:45:22 roy Exp $");
 #endif
 #endif                         /* not lint */
 
@@ -1585,7 +1585,7 @@
                                for (i = 0; i < n; i++)
                                        tputs(scroll_forward, 0, __cputchar);
                        tputs(vtparm(change_scroll_region,
-                           0, (int) __virtscr->maxy), 0, __cputchar);
+                           0, (int) __virtscr->maxy - 1), 0, __cputchar);
                        __mvcur(bot, 0, 0, 0, 1);
                        tputs(cursor_home, 0, __cputchar);
                        __mvcur(0, 0, oy, ox, 1);
@@ -1654,7 +1654,7 @@
                                for (i = n; i < 0; i++)
                                        tputs(scroll_reverse, 0, __cputchar);
                        tputs(vtparm(change_scroll_region,
-                           0, (int) __virtscr->maxy), 0, __cputchar);
+                           0, (int) __virtscr->maxy - 1), 0, __cputchar);
                        __mvcur(top, 0, 0, 0, 1);
                        tputs(cursor_home, 0, __cputchar);
                        __mvcur(0, 0, oy, ox, 1);