Don't allocate for zero length bytes

OffchainLabs · Dec 12, 2024 · e2c4dc2 · e2c4dc2
1 parent 0afaf50
commit e2c4dc2
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/arbos/programs/native.go b/arbos/programs/native.go
@@ -450,10 +450,16 @@ func addressToBytes20(addr common.Address) bytes20 {
 }
 
 func (slice *rustSlice) read() []byte {
+	if slice.len == 0 {
+		return nil
+	}
 	return arbutil.PointerToSlice((*byte)(slice.ptr), int(slice.len))
 }
 
 func (vec *rustBytes) read() []byte {
+	if vec.len == 0 {
+		return nil
+	}
 	return arbutil.PointerToSlice((*byte)(vec.ptr), int(vec.len))
 }