From 7899e5369126599aa05689b9ddfd233d2f317910 Mon Sep 17 00:00:00 2001
From: Tianhao Chai <cth451@gmail.com>
Date: Fri, 9 Mar 2018 13:04:44 -0600
Subject: [PATCH] ccmake: fix status line buffer overflow on very wide
 terminals

A mistyped length calculation will memset across stack frame when
the user's terminal width is larger than 270.
---
 Source/CursesDialog/cmCursesMainForm.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/CursesDialog/cmCursesMainForm.cxx b/Source/CursesDialog/cmCursesMainForm.cxx
index dbd024da61..4a9dc473cb 100644
--- a/Source/CursesDialog/cmCursesMainForm.cxx
+++ b/Source/CursesDialog/cmCursesMainForm.cxx
@@ -475,7 +475,7 @@ void cmCursesMainForm::UpdateStatusBar(const char* message)
       strncpy(bar + curFieldLen + 2, help, width - curFieldLen - 2);
       if (curFieldLen + helpLen + 2 < width) {
         memset(bar + curFieldLen + helpLen + 2, ' ',
-               width - curFieldLen + helpLen + 2);
+               width - (curFieldLen + helpLen + 2));
       }
     }
   }