Merge pull request #7 from mauricefisher64/main

Fix case when the JPEG segment has a length of 0
vstroebel · Jan 30, 2024 · db0d3d0 · db0d3d0
2 parents a10e1f3 + 5662b20
commit db0d3d0
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/jfifdump/src/reader.rs b/jfifdump/src/reader.rs
@@ -63,7 +63,8 @@ impl<R: Read> Reader<R> {
     fn read_length(&mut self) -> Result<usize, JfifError> {
         let length = self.read_u16()? as usize;
 
-        if length <= 2 {
+        // lengths 0 and greater are allowed
+        if length < 2 {
             return Err(JfifError::InvalidMarkerLength(length));
         }