From c6d6a6363730a1bb49aef4c94ebabc9e4f01606b Mon Sep 17 00:00:00 2001
From: Fredrik Fornwall <fredrik@fornwall.net>
Date: Fri, 11 Mar 2016 01:20:54 +0100
Subject: [PATCH] Extract variable for clarity

---
 .../main/java/com/termux/terminal/TerminalEmulator.java    | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/app/src/main/java/com/termux/terminal/TerminalEmulator.java b/app/src/main/java/com/termux/terminal/TerminalEmulator.java
index 109501e7..36110974 100644
--- a/app/src/main/java/com/termux/terminal/TerminalEmulator.java
+++ b/app/src/main/java/com/termux/terminal/TerminalEmulator.java
@@ -477,9 +477,10 @@ public final class TerminalEmulator {
         case 8: // Backspace (BS, ^H).
             if (mLeftMargin == mCursorCol) {
                 // Jump to previous line if it was auto-wrapped.
-                if (mCursorRow > 0 && mScreen.getLineWrap(mCursorRow-1)) {
-                    mScreen.clearLineWrap(mCursorRow - 1);
-                    setCursorRowCol(mCursorRow-1,mRightMargin-1);
+                int previousRow = mCursorRow - 1;
+                if (previousRow >= 0 && mScreen.getLineWrap(previousRow)) {
+                    mScreen.clearLineWrap(previousRow);
+                    setCursorRowCol(previousRow, mRightMargin - 1);
                 }
             } else {
                 setCursorCol(mCursorCol - 1);