1 files changed, 7 insertions, 0 deletions
diff --git a/lib/rbcodec/test/warble.c b/lib/rbcodec/test/warble.c
index 6c8442ae26..8f11b9b56e 100644
--- a/lib/rbcodec/test/warble.c
+++ b/lib/rbcodec/test/warble.c
@@ -77,6 +77,13 @@ int find_first_set_bit(uint32_t value)
     return __builtin_ctz(value);
 }
 
+off_t filesize(int fd)
+{
+    struct stat st;
+    fstat(fd, &st);
+    return st.st_size;
+}
+
 /***************** INTERNAL *****************/
 
 static enum { MODE_PLAY, MODE_WRITE } mode;