Avoid processCursorDown overflow on Y axis

This fix issue gradle/gradle#882.
fusesource · Jan 12, 2017 · 38a24fa · 38a24fa
1 parent eeda18c
commit 38a24fa
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/jansi/src/main/java/org/fusesource/jansi/WindowsAnsiOutputStream.java b/jansi/src/main/java/org/fusesource/jansi/WindowsAnsiOutputStream.java
@@ -213,7 +213,7 @@ protected void processCursorRight(int count) throws IOException {
     @Override
     protected void processCursorDown(int count) throws IOException {
         getConsoleInfo();
-        info.cursorPosition.y = (short) Math.min(info.size.y, info.cursorPosition.y + count);
+        info.cursorPosition.y = (short) Math.min(Math.max(0, info.size.y - 1), info.cursorPosition.y + count);
         applyCursorPosition();
     }