diff --git a/lldb/tools/driver/IOChannel.cpp b/lldb/tools/driver/IOChannel.cpp
index 25274581efedd438d7dd4c8468b528140e5892cb..0ed6fd3267948119fa15196f01038ca675ddd6ef 100644
--- a/lldb/tools/driver/IOChannel.cpp
+++ b/lldb/tools/driver/IOChannel.cpp
@@ -50,6 +50,17 @@ IOChannel::GetPrompt ()
     return pos->second.c_str();
 }
 
+bool
+IOChannel::EditLineHasCharacters ()
+{
+    const LineInfo *line_info  = el_line(m_edit_line);
+    if (line_info)
+        return line_info->cursor != line_info->buffer;
+    else
+        return false;
+}
+
+
 void
 IOChannel::EraseCharsBeforeCursor ()
 {
diff --git a/lldb/tools/driver/IOChannel.h b/lldb/tools/driver/IOChannel.h
index e3c44b58d236f923ab5d2e59e99261002520cf03..fbeaac4a8683b653f6f858ef650fb093666b8fcd 100644
--- a/lldb/tools/driver/IOChannel.h
+++ b/lldb/tools/driver/IOChannel.h
@@ -96,6 +96,9 @@ public:
     const char *
     GetPrompt ();
 
+    bool
+    EditLineHasCharacters ();
+    
     void
     EraseCharsBeforeCursor ();