From: H. Peter Anvin <hpa@zytor.com>
Date: Sat, 16 Feb 2008 08:13:50 +0000 (-0800)
Subject: If we're showing a scrollbar, always show at least one unit
X-Git-Tag: syslinux-3.62-pre8~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d3ed8cb31a485cb4263cd22ca5f60c73b6166752;p=profile%2Fivi%2Fsyslinux.git

If we're showing a scrollbar, always show at least one unit

In the simple menu system, if we're showing a scrollbar at all, always
show at least one unit of it.
---

diff --git a/com32/menu/menumain.c b/com32/menu/menumain.c
index ff01328..4dbc66c 100644
--- a/com32/menu/menumain.c
+++ b/com32/menu/menumain.c
@@ -415,7 +415,7 @@ draw_menu(int sel, int top, int edit_line)
   if ( nentries > MENU_ROWS ) {
     int sblen = MENU_ROWS*MENU_ROWS/nentries;
     sbtop = (MENU_ROWS-sblen+1)*top/(nentries-MENU_ROWS+1);
-    sbbot = sbtop + sblen - 1;
+    sbbot = max(sbtop, sbtop+sblen-1);
 
     sbtop += 4;  sbbot += 4;	/* Starting row of scrollbar */
   }