diff options
Diffstat (limited to 'libgo/go/compress/zlib/writer.go')
| -rw-r--r-- | libgo/go/compress/zlib/writer.go | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/libgo/go/compress/zlib/writer.go b/libgo/go/compress/zlib/writer.go index a7b219467ee..9986e3834d4 100644 --- a/libgo/go/compress/zlib/writer.go +++ b/libgo/go/compress/zlib/writer.go @@ -6,6 +6,7 @@ package zlib import ( "compress/flate" + "encoding/binary" "fmt" "hash" "hash/adler32" @@ -120,11 +121,7 @@ func (z *Writer) writeHeader() (err error) { } if z.dict != nil { // The next four bytes are the Adler-32 checksum of the dictionary. - checksum := adler32.Checksum(z.dict) - z.scratch[0] = uint8(checksum >> 24) - z.scratch[1] = uint8(checksum >> 16) - z.scratch[2] = uint8(checksum >> 8) - z.scratch[3] = uint8(checksum >> 0) + binary.BigEndian.PutUint32(z.scratch[:], adler32.Checksum(z.dict)) if _, err = z.w.Write(z.scratch[0:4]); err != nil { return err } @@ -190,10 +187,7 @@ func (z *Writer) Close() error { } checksum := z.digest.Sum32() // ZLIB (RFC 1950) is big-endian, unlike GZIP (RFC 1952). - z.scratch[0] = uint8(checksum >> 24) - z.scratch[1] = uint8(checksum >> 16) - z.scratch[2] = uint8(checksum >> 8) - z.scratch[3] = uint8(checksum >> 0) + binary.BigEndian.PutUint32(z.scratch[:], checksum) _, z.err = z.w.Write(z.scratch[0:4]) return z.err } |