Limit marc field terminator search to first 2048 bytes (#217)

gabriel-vasile · Dec 13, 2021 · 9908b3e · 9908b3e
1 parent 7b2b9b0
commit 9908b3e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/internal/magic/binary.go b/internal/magic/binary.go
@@ -139,6 +139,6 @@ func Marc(raw []byte, limit uint32) bool {
  }
  }
 
- // Field terminator is present.
- return bytes.Contains(raw, []byte{0x1E})
+ // Field terminator is present in first 2048 bytes.
+ return bytes.Contains(raw[:min(2048, len(raw))], []byte{0x1E})
 }