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authorkiel barry <kiel.j.barry@gmail.com>2018-05-08 17:48:07 +0800
committerFelix Lange <fjl@users.noreply.github.com>2018-05-08 17:48:07 +0800
commita42be3b78dcb70ea3c44ba46c277cf41ef0bba23 (patch)
tree015fd69b9db3e027af09cced001b5e786b9e59ac
parent6cf0ab38bd0af77d81aad4c104979cebee9e3e63 (diff)
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rlp: fix some golint warnings (#16659)
-rw-r--r--rlp/decode.go43
-rw-r--r--rlp/encode.go21
2 files changed, 27 insertions, 37 deletions
diff --git a/rlp/decode.go b/rlp/decode.go
index 60d9dab2b..dbbe59959 100644
--- a/rlp/decode.go
+++ b/rlp/decode.go
@@ -29,6 +29,23 @@ import (
)
var (
+ // EOL is returned when the end of the current list
+ // has been reached during streaming.
+ EOL = errors.New("rlp: end of list")
+
+ // Actual Errors
+ ErrExpectedString = errors.New("rlp: expected String or Byte")
+ ErrExpectedList = errors.New("rlp: expected List")
+ ErrCanonInt = errors.New("rlp: non-canonical integer format")
+ ErrCanonSize = errors.New("rlp: non-canonical size information")
+ ErrElemTooLarge = errors.New("rlp: element is larger than containing list")
+ ErrValueTooLarge = errors.New("rlp: value size exceeds available input length")
+ ErrMoreThanOneValue = errors.New("rlp: input contains more than one value")
+
+ // internal errors
+ errNotInList = errors.New("rlp: call of ListEnd outside of any list")
+ errNotAtEOL = errors.New("rlp: call of ListEnd not positioned at EOL")
+ errUintOverflow = errors.New("rlp: uint overflow")
errNoPointer = errors.New("rlp: interface given to Decode must be a pointer")
errDecodeIntoNil = errors.New("rlp: pointer given to Decode must not be nil")
)
@@ -274,9 +291,8 @@ func makeListDecoder(typ reflect.Type, tag tags) (decoder, error) {
if etype.Kind() == reflect.Uint8 && !reflect.PtrTo(etype).Implements(decoderInterface) {
if typ.Kind() == reflect.Array {
return decodeByteArray, nil
- } else {
- return decodeByteSlice, nil
}
+ return decodeByteSlice, nil
}
etypeinfo, err := cachedTypeInfo1(etype, tags{})
if err != nil {
@@ -555,29 +571,6 @@ func (k Kind) String() string {
}
}
-var (
- // EOL is returned when the end of the current list
- // has been reached during streaming.
- EOL = errors.New("rlp: end of list")
-
- // Actual Errors
- ErrExpectedString = errors.New("rlp: expected String or Byte")
- ErrExpectedList = errors.New("rlp: expected List")
- ErrCanonInt = errors.New("rlp: non-canonical integer format")
- ErrCanonSize = errors.New("rlp: non-canonical size information")
- ErrElemTooLarge = errors.New("rlp: element is larger than containing list")
- ErrValueTooLarge = errors.New("rlp: value size exceeds available input length")
-
- // This error is reported by DecodeBytes if the slice contains
- // additional data after the first RLP value.
- ErrMoreThanOneValue = errors.New("rlp: input contains more than one value")
-
- // internal errors
- errNotInList = errors.New("rlp: call of ListEnd outside of any list")
- errNotAtEOL = errors.New("rlp: call of ListEnd not positioned at EOL")
- errUintOverflow = errors.New("rlp: uint overflow")
-)
-
// ByteReader must be implemented by any input reader for a Stream. It
// is implemented by e.g. bufio.Reader and bytes.Reader.
type ByteReader interface {
diff --git a/rlp/encode.go b/rlp/encode.go
index 44592c2f5..445b4b5b2 100644
--- a/rlp/encode.go
+++ b/rlp/encode.go
@@ -92,7 +92,7 @@ func Encode(w io.Writer, val interface{}) error {
return eb.toWriter(w)
}
-// EncodeBytes returns the RLP encoding of val.
+// EncodeToBytes returns the RLP encoding of val.
// Please see the documentation of Encode for the encoding rules.
func EncodeToBytes(val interface{}) ([]byte, error) {
eb := encbufPool.Get().(*encbuf)
@@ -104,7 +104,7 @@ func EncodeToBytes(val interface{}) ([]byte, error) {
return eb.toBytes(), nil
}
-// EncodeReader returns a reader from which the RLP encoding of val
+// EncodeToReader returns a reader from which the RLP encoding of val
// can be read. The returned size is the total size of the encoded
// data.
//
@@ -151,11 +151,10 @@ func puthead(buf []byte, smalltag, largetag byte, size uint64) int {
if size < 56 {
buf[0] = smalltag + byte(size)
return 1
- } else {
- sizesize := putint(buf[1:], size)
- buf[0] = largetag + byte(sizesize)
- return sizesize + 1
}
+ sizesize := putint(buf[1:], size)
+ buf[0] = largetag + byte(sizesize)
+ return sizesize + 1
}
// encbufs are pooled.
@@ -218,7 +217,7 @@ func (w *encbuf) list() *listhead {
func (w *encbuf) listEnd(lh *listhead) {
lh.size = w.size() - lh.offset - lh.size
if lh.size < 56 {
- w.lhsize += 1 // length encoded into kind tag
+ w.lhsize++ // length encoded into kind tag
} else {
w.lhsize += 1 + intsize(uint64(lh.size))
}
@@ -322,10 +321,9 @@ func (r *encReader) next() []byte {
p := r.buf.str[r.strpos:head.offset]
r.strpos += sizebefore
return p
- } else {
- r.lhpos++
- return head.encode(r.buf.sizebuf)
}
+ r.lhpos++
+ return head.encode(r.buf.sizebuf)
case r.strpos < len(r.buf.str):
// String data at the end, after all list headers.
@@ -576,9 +574,8 @@ func makePtrWriter(typ reflect.Type) (writer, error) {
writer := func(val reflect.Value, w *encbuf) error {
if val.IsNil() {
return nilfunc(w)
- } else {
- return etypeinfo.writer(val.Elem(), w)
}
+ return etypeinfo.writer(val.Elem(), w)
}
return writer, err
}