Fix code review remarks

gnachman · Feb 1, 2016 · 771f93d · 771f93d
1 parent 48e5de4
commit 771f93d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/sources/VT100Grid.m b/sources/VT100Grid.m
@@ -392,8 +392,8 @@ - (int)resetWithLineBuffer:(LineBuffer *)lineBuffer
     self.scrollRegionRows = VT100GridRangeMake(0, size_.height);
     self.scrollRegionCols = VT100GridRangeMake(0, size_.width);
     int numLinesToScroll;
-    if (preservePromptLines > 0) {
-        numLinesToScroll = cursor_.y - preservePromptLines + 1;
+    if (preservePromptLines > 0 && preservePromptLines < size_.height)
+        numLinesToScroll = MAX(0, cursor_.y - preservePromptLines + 1);
     } else {
         numLinesToScroll = [self lineNumberOfLastNonEmptyLine] + 1;
     }