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--- a/src/utils/pathut.h
+++ b/src/utils/pathut.h
@@ -71,6 +71,9 @@
 
 /// Stat parameter and check if it's a directory
 extern bool path_isdir(const std::string& path);
+
+/// Retrieve file size
+extern long long path_filesize(const std::string& path);
 
 /// Dump directory
 extern bool readdir(const std::string& dir, std::string& reason,