Avoid execessive Pushback when Dali::Vector<char> used as file buffer container

[platform/core/uifw/dali-adaptor.git] / dali / internal / adaptor-framework / android / file-loader-impl-android.cpp

diff --git a/dali/internal/adaptor-framework/android/file-loader-impl-android.cpp b/dali/internal/adaptor-framework/android/file-loader-impl-android.cpp
index c35e70f..f0170e3 100644 (file)
--- a/dali/internal/adaptor-framework/android/file-loader-impl-android.cpp
+++ b/dali/internal/adaptor-framework/android/file-loader-impl-android.cpp
@@ -105,7 +105,10 @@ int ReadFile(const std::string& filename, std::streampos& fileSize, Dali::Vector
     {
       fseek( file, 0, SEEK_END );
       length = ftell( file );
-      memblock.Resize( length + 1 ); // 1 for extra zero at the end
+      //Dali::Vector.Resize would lead to calling PushBack for each byte, waste of CPU resource
+      memblock.ResizeUninitialized( length + 1 );
+      //put last byte as 0, in case this is a text file without null-terminator
+      memblock[length] = 0;
 
       char* buffer = &memblock[0];
       fseek( file, 0, SEEK_SET );