diff options
Diffstat (limited to 'src/pkg/archive/tar/reader.go')
| -rw-r--r-- | src/pkg/archive/tar/reader.go | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/src/pkg/archive/tar/reader.go b/src/pkg/archive/tar/reader.go index 12de2ada08..65bf1204ab 100644 --- a/src/pkg/archive/tar/reader.go +++ b/src/pkg/archive/tar/reader.go @@ -9,6 +9,7 @@ package tar import ( "bytes" + "errors" "io" "io/ioutil" "os" @@ -16,7 +17,7 @@ import ( ) var ( - HeaderError = os.NewError("invalid tar header") + HeaderError = errors.New("invalid tar header") ) // A Reader provides sequential access to the contents of a tar archive. @@ -39,7 +40,7 @@ var ( // } type Reader struct { r io.Reader - err os.Error + err error nb int64 // number of unread bytes for current file entry pad int64 // amount of padding (ignored) after current file entry } @@ -48,7 +49,7 @@ type Reader struct { func NewReader(r io.Reader) *Reader { return &Reader{r: r} } // Next advances to the next entry in the tar archive. -func (tr *Reader) Next() (*Header, os.Error) { +func (tr *Reader) Next() (*Header, error) { var hdr *Header if tr.err == nil { tr.skipUnread() @@ -119,7 +120,7 @@ func (tr *Reader) readHeader() *Header { return nil } if bytes.Equal(header, zeroBlock[0:blockSize]) { - tr.err = os.EOF + tr.err = io.EOF } else { tr.err = HeaderError // zero block and then non-zero block } @@ -201,10 +202,10 @@ func (tr *Reader) readHeader() *Header { // Read reads from the current entry in the tar archive. // It returns 0, os.EOF when it reaches the end of that entry, // until Next is called to advance to the next entry. -func (tr *Reader) Read(b []byte) (n int, err os.Error) { +func (tr *Reader) Read(b []byte) (n int, err error) { if tr.nb == 0 { // file consumed - return 0, os.EOF + return 0, io.EOF } if int64(len(b)) > tr.nb { @@ -213,7 +214,7 @@ func (tr *Reader) Read(b []byte) (n int, err os.Error) { n, err = tr.r.Read(b) tr.nb -= int64(n) - if err == os.EOF && tr.nb > 0 { + if err == io.EOF && tr.nb > 0 { err = io.ErrUnexpectedEOF } tr.err = err |