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-rw-r--r--rlp/decode.go10
-rw-r--r--rlp/decode_test.go2
2 files changed, 6 insertions, 6 deletions
diff --git a/rlp/decode.go b/rlp/decode.go
index 1e39054e6..42be31a2d 100644
--- a/rlp/decode.go
+++ b/rlp/decode.go
@@ -37,9 +37,9 @@ type Decoder interface {
// DecodeRLP.
//
// To decode into a pointer, Decode will set the pointer to nil if the
-// input has size zero or the input is a single byte with value zero.
-// If the input has nonzero size, Decode will allocate a new value of
-// the type being pointed to.
+// input has size zero. If the input has nonzero size, Decode will
+// parse the input data into a value of the type being pointed to.
+// If the pointer is non-nil, the existing value will reused.
//
// To decode into a struct, Decode expects the input to be an RLP
// list. The decoded elements of the list are assigned to each public
@@ -382,8 +382,8 @@ func makePtrDecoder(typ reflect.Type) (decoder, error) {
return nil, err
}
dec := func(s *Stream, val reflect.Value) (err error) {
- _, size, err := s.Kind()
- if err != nil || size == 0 && s.byteval == 0 {
+ kind, size, err := s.Kind()
+ if err != nil || size == 0 && kind != Byte {
// rearm s.Kind. This is important because the input
// position must advance to the next value even though
// we don't read anything.
diff --git a/rlp/decode_test.go b/rlp/decode_test.go
index a64bfe3fd..e5c7f3761 100644
--- a/rlp/decode_test.go
+++ b/rlp/decode_test.go
@@ -378,7 +378,7 @@ var decodeTests = []decodeTest{
},
// pointers
- {input: "00", ptr: new(*uint), value: (*uint)(nil)},
+ {input: "00", ptr: new(*uint), value: uintp(0)},
{input: "80", ptr: new(*uint), value: (*uint)(nil)},
{input: "C0", ptr: new(*uint), value: (*uint)(nil)},
{input: "07", ptr: new(*uint), value: uintp(7)},