diff --git a/src/flac/file.c b/src/flac/file.c
index 87274149..03adab11 100644
--- a/src/flac/file.c
+++ b/src/flac/file.c
@@ -42,3 +42,13 @@ void flac__file_copy_metadata(const char *srcpath, const char *destpath)
 #endif
 	}
 }
+
+off_t flac__file_get_filesize(const char *srcpath)
+{
+	struct stat srcstat;
+
+	if(0 == stat(srcpath, &srcstat))
+		return srcstat.st_size;
+	else
+		return -1;
+}
diff --git a/src/flac/file.h b/src/flac/file.h
index 6171ef61..0b12800f 100644
--- a/src/flac/file.h
+++ b/src/flac/file.h
@@ -20,5 +20,6 @@
 #define flac__file_h
 
 void flac__file_copy_metadata(const char *srcpath, const char *destpath);
+off_t flac__file_get_filesize(const char *srcpath);
 
 #endif