func (w *writer) Close() error {
defer C.BZ2_bzCompressEnd(&w.bzStream)
// Finish the stream.
w.bzStream.next_in = nil
w.bzStream.avail_in = 0
done := false
for !done {
w.bzStream.next_out = (*C.char)(unsafe.Pointer(&w.outBuffer[0]))
w.bzStream.avail_out = C.uint(len(w.outBuffer))
ret := C.BZ2_bzCompress(&w.bzStream, C.BZ_FINISH)
switch ret {
case C.BZ_FINISH_OK:
case C.BZ_STREAM_END:
done = true
default:
return translateError(ret)
}
if err := w.writeAvailOut(); err != nil {
return err
}
}
return nil
}
//!+close
// Close flushes the compressed data and closes the stream.
// It does not close the underlying io.Writer.
func (w *writer) Close() error {
if w.stream == nil {
panic("closed")
}
defer func() {
C.BZ2_bzCompressEnd(w.stream)
w.stream = nil
}()
for {
inlen, outlen := C.uint(0), C.uint(cap(w.outbuf))
r := C.bz2compress(w.stream, C.BZ_FINISH, nil, &inlen,
(*C.char)(unsafe.Pointer(&w.outbuf)), &outlen)
if _, err := w.w.Write(w.outbuf[:outlen]); err != nil {
return err
}
if r == C.BZ_STREAM_END {
return nil
}
}
}