diff options
Diffstat (limited to 'src/pkg/archive/tar/writer.go')
| -rw-r--r-- | src/pkg/archive/tar/writer.go | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/src/pkg/archive/tar/writer.go b/src/pkg/archive/tar/writer.go index c6ce2241a..d35726bf9 100644 --- a/src/pkg/archive/tar/writer.go +++ b/src/pkg/archive/tar/writer.go @@ -8,15 +8,15 @@ package tar // - catch more errors (no first header, write after close, etc.) import ( + "errors" "io" - "os" "strconv" ) var ( - ErrWriteTooLong = os.NewError("write too long") - ErrFieldTooLong = os.NewError("header field too long") - ErrWriteAfterClose = os.NewError("write after close") + ErrWriteTooLong = errors.New("write too long") + ErrFieldTooLong = errors.New("header field too long") + ErrWriteAfterClose = errors.New("write after close") ) // A Writer provides sequential writing of a tar archive in POSIX.1 format. @@ -36,7 +36,7 @@ var ( // tw.Close() type Writer struct { w io.Writer - err os.Error + err error nb int64 // number of unwritten bytes for current file entry pad int64 // amount of padding to write after current file entry closed bool @@ -47,7 +47,7 @@ type Writer struct { func NewWriter(w io.Writer) *Writer { return &Writer{w: w} } // Flush finishes writing the current file (optional). -func (tw *Writer) Flush() os.Error { +func (tw *Writer) Flush() error { n := tw.nb + tw.pad for n > 0 && tw.err == nil { nr := n @@ -79,7 +79,7 @@ func (tw *Writer) cString(b []byte, s string) { // Encode x as an octal ASCII string and write it into b with leading zeros. func (tw *Writer) octal(b []byte, x int64) { - s := strconv.Itob64(x, 8) + s := strconv.FormatInt(x, 8) // leading zeros, but leave room for a NUL. for len(s)+1 < len(b) { s = "0" + s @@ -90,7 +90,7 @@ func (tw *Writer) octal(b []byte, x int64) { // Write x into b, either as octal or as binary (GNUtar/star extension). func (tw *Writer) numeric(b []byte, x int64) { // Try octal first. - s := strconv.Itob64(x, 8) + s := strconv.FormatInt(x, 8) if len(s) < len(b) { tw.octal(b, x) return @@ -107,7 +107,7 @@ func (tw *Writer) numeric(b []byte, x int64) { // WriteHeader writes hdr and prepares to accept the file's contents. // WriteHeader calls Flush if it is not the first header. // Calling after a Close will return ErrWriteAfterClose. -func (tw *Writer) WriteHeader(hdr *Header) os.Error { +func (tw *Writer) WriteHeader(hdr *Header) error { if tw.closed { return ErrWriteAfterClose } @@ -127,19 +127,19 @@ func (tw *Writer) WriteHeader(hdr *Header) os.Error { // TODO(dsymonds): handle names longer than 100 chars copy(s.next(100), []byte(hdr.Name)) - tw.octal(s.next(8), hdr.Mode) // 100:108 - tw.numeric(s.next(8), int64(hdr.Uid)) // 108:116 - tw.numeric(s.next(8), int64(hdr.Gid)) // 116:124 - tw.numeric(s.next(12), hdr.Size) // 124:136 - tw.numeric(s.next(12), hdr.Mtime) // 136:148 - s.next(8) // chksum (148:156) - s.next(1)[0] = hdr.Typeflag // 156:157 - tw.cString(s.next(100), hdr.Linkname) // linkname (157:257) - copy(s.next(8), []byte("ustar\x0000")) // 257:265 - tw.cString(s.next(32), hdr.Uname) // 265:297 - tw.cString(s.next(32), hdr.Gname) // 297:329 - tw.numeric(s.next(8), hdr.Devmajor) // 329:337 - tw.numeric(s.next(8), hdr.Devminor) // 337:345 + tw.octal(s.next(8), hdr.Mode) // 100:108 + tw.numeric(s.next(8), int64(hdr.Uid)) // 108:116 + tw.numeric(s.next(8), int64(hdr.Gid)) // 116:124 + tw.numeric(s.next(12), hdr.Size) // 124:136 + tw.numeric(s.next(12), hdr.ModTime.Unix()) // 136:148 + s.next(8) // chksum (148:156) + s.next(1)[0] = hdr.Typeflag // 156:157 + tw.cString(s.next(100), hdr.Linkname) // linkname (157:257) + copy(s.next(8), []byte("ustar\x0000")) // 257:265 + tw.cString(s.next(32), hdr.Uname) // 265:297 + tw.cString(s.next(32), hdr.Gname) // 297:329 + tw.numeric(s.next(8), hdr.Devmajor) // 329:337 + tw.numeric(s.next(8), hdr.Devminor) // 337:345 // Use the GNU magic instead of POSIX magic if we used any GNU extensions. if tw.usedBinary { @@ -165,7 +165,7 @@ func (tw *Writer) WriteHeader(hdr *Header) os.Error { // Write writes to the current entry in the tar archive. // Write returns the error ErrWriteTooLong if more than // hdr.Size bytes are written after WriteHeader. -func (tw *Writer) Write(b []byte) (n int, err os.Error) { +func (tw *Writer) Write(b []byte) (n int, err error) { if tw.closed { err = ErrWriteTooLong return @@ -187,7 +187,7 @@ func (tw *Writer) Write(b []byte) (n int, err os.Error) { // Close closes the tar archive, flushing any unwritten // data to the underlying writer. -func (tw *Writer) Close() os.Error { +func (tw *Writer) Close() error { if tw.err != nil || tw.closed { return tw.err } |