Fix crash issue due to empty surrounding_text

Change-Id: Ic7583f816ebdeaf9519fa23e8dde1c71e69a923f

diff --git a/engine-loader/src/engine_loader.cpp b/engine-loader/src/engine_loader.cpp
index e5f9544..a08ef2b 100644 (file)
--- a/engine-loader/src/engine_loader.cpp
+++ b/engine-loader/src/engine_loader.cpp
@@ -763,8 +763,10 @@ void EngineLoader::long_press_candidate_item(uint32_t index)
 
 void EngineLoader::get_surrounding_text(int maxlen_before, int maxlen_after, scim::String &text, int &cursor)
 {
-    text = m_impl->surrounding_text;
-    cursor = m_impl->cursor_pos;
+    if (m_impl->surrounding_text) {
+        text = m_impl->surrounding_text;
+        cursor = m_impl->cursor_pos;
+    }
 }
 
 void EngineLoader::set_surrounding_text(char* text, int cursor)