diff --git a/src/system/helpers.cpp b/src/system/helpers.cpp
index d3957201a..df41e86db 100644
--- a/src/system/helpers.cpp
+++ b/src/system/helpers.cpp
@@ -42,6 +42,18 @@
 #include <system/helpers.h>
 #include <gui/update_ext.h>
 
+off_t file_size(const char *filename)
+{
+	struct stat stat_buf;
+	if(::stat(filename, &stat_buf) == 0)
+	{
+		return stat_buf.st_size;
+	} else
+	{
+		return 0;
+	}
+}
+
 bool file_exists(const char *filename)
 {
 	struct stat stat_buf;
diff --git a/src/system/helpers.h b/src/system/helpers.h
index c87adb71f..a811edab8 100644
--- a/src/system/helpers.h
+++ b/src/system/helpers.h
@@ -27,6 +27,7 @@ int my_system(int argc, const char *arg, ...); /* argc is number of arguments in
 
 FILE* my_popen( pid_t& pid, const char *cmdstring, const char *type);
 int safe_mkdir(char * path);
+off_t file_size(const char *filename);
 bool file_exists(const char *filename);
 void wakeup_hdd(const char *hdd_dir);
 int check_dir(const char * dir);