diff options
Diffstat (limited to 'src/encoding/binary/binary.go')
| -rw-r--r-- | src/encoding/binary/binary.go | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/encoding/binary/binary.go b/src/encoding/binary/binary.go index d80aa8e11a..c92dfded27 100644 --- a/src/encoding/binary/binary.go +++ b/src/encoding/binary/binary.go @@ -65,17 +65,20 @@ var BigEndian bigEndian type littleEndian struct{} +// Uint16 returns the uint16 representation of b[0:2]. func (littleEndian) Uint16(b []byte) uint16 { _ = b[1] // bounds check hint to compiler; see golang.org/issue/14808 return uint16(b[0]) | uint16(b[1])<<8 } +// PutUint16 stores v into b[0:2]. func (littleEndian) PutUint16(b []byte, v uint16) { _ = b[1] // early bounds check to guarantee safety of writes below b[0] = byte(v) b[1] = byte(v >> 8) } +// AppendUint16 appends the bytes of v to b and returns the appended slice. func (littleEndian) AppendUint16(b []byte, v uint16) []byte { return append(b, byte(v), @@ -83,11 +86,13 @@ func (littleEndian) AppendUint16(b []byte, v uint16) []byte { ) } +// Uint32 returns the uint32 representation of b[0:4]. func (littleEndian) Uint32(b []byte) uint32 { _ = b[3] // bounds check hint to compiler; see golang.org/issue/14808 return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24 } +// PutUint32 stores v into b[0:4]. func (littleEndian) PutUint32(b []byte, v uint32) { _ = b[3] // early bounds check to guarantee safety of writes below b[0] = byte(v) @@ -96,6 +101,7 @@ func (littleEndian) PutUint32(b []byte, v uint32) { b[3] = byte(v >> 24) } +// AppendUint32 appends the bytes of v to b and returns the appended slice. func (littleEndian) AppendUint32(b []byte, v uint32) []byte { return append(b, byte(v), @@ -105,12 +111,14 @@ func (littleEndian) AppendUint32(b []byte, v uint32) []byte { ) } +// Uint64 returns the uint64 representation of b[0:8]. func (littleEndian) Uint64(b []byte) uint64 { _ = b[7] // bounds check hint to compiler; see golang.org/issue/14808 return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56 } +// PutUint64 stores v into b[0:8]. func (littleEndian) PutUint64(b []byte, v uint64) { _ = b[7] // early bounds check to guarantee safety of writes below b[0] = byte(v) @@ -123,6 +131,7 @@ func (littleEndian) PutUint64(b []byte, v uint64) { b[7] = byte(v >> 56) } +// AppendUint64 appends the bytes of v to b and returns the appended slice. func (littleEndian) AppendUint64(b []byte, v uint64) []byte { return append(b, byte(v), @@ -142,17 +151,20 @@ func (littleEndian) GoString() string { return "binary.LittleEndian" } type bigEndian struct{} +// Uint16 returns the uint16 representation of b[0:2]. func (bigEndian) Uint16(b []byte) uint16 { _ = b[1] // bounds check hint to compiler; see golang.org/issue/14808 return uint16(b[1]) | uint16(b[0])<<8 } +// PutUint16 stores v into b[0:2]. func (bigEndian) PutUint16(b []byte, v uint16) { _ = b[1] // early bounds check to guarantee safety of writes below b[0] = byte(v >> 8) b[1] = byte(v) } +// AppendUint16 appends the bytes of v to b and returns the appended slice. func (bigEndian) AppendUint16(b []byte, v uint16) []byte { return append(b, byte(v>>8), @@ -160,11 +172,13 @@ func (bigEndian) AppendUint16(b []byte, v uint16) []byte { ) } +// Uint32 returns the uint32 representation of b[0:4]. func (bigEndian) Uint32(b []byte) uint32 { _ = b[3] // bounds check hint to compiler; see golang.org/issue/14808 return uint32(b[3]) | uint32(b[2])<<8 | uint32(b[1])<<16 | uint32(b[0])<<24 } +// PutUint32 stores v into b[0:4]. func (bigEndian) PutUint32(b []byte, v uint32) { _ = b[3] // early bounds check to guarantee safety of writes below b[0] = byte(v >> 24) @@ -173,6 +187,7 @@ func (bigEndian) PutUint32(b []byte, v uint32) { b[3] = byte(v) } +// AppendUint32 appends the bytes of v to b and returns the appended slice. func (bigEndian) AppendUint32(b []byte, v uint32) []byte { return append(b, byte(v>>24), @@ -182,12 +197,14 @@ func (bigEndian) AppendUint32(b []byte, v uint32) []byte { ) } +// Uint64 returns the uint64 representation of b[0:8]. func (bigEndian) Uint64(b []byte) uint64 { _ = b[7] // bounds check hint to compiler; see golang.org/issue/14808 return uint64(b[7]) | uint64(b[6])<<8 | uint64(b[5])<<16 | uint64(b[4])<<24 | uint64(b[3])<<32 | uint64(b[2])<<40 | uint64(b[1])<<48 | uint64(b[0])<<56 } +// PutUint64 stores v into b[0:8]. func (bigEndian) PutUint64(b []byte, v uint64) { _ = b[7] // early bounds check to guarantee safety of writes below b[0] = byte(v >> 56) @@ -200,6 +217,7 @@ func (bigEndian) PutUint64(b []byte, v uint64) { b[7] = byte(v) } +// AppendUint64 appends the bytes of v to b and returns the appended slice. func (bigEndian) AppendUint64(b []byte, v uint64) []byte { return append(b, byte(v>>56), |