well-goknown/vendor/github.com/gobwas/pool/pbufio/pbufio_go19.go

28 lines
539 B
Go

// +build !go1.10
package pbufio
import "bufio"
func writerSize(bw *bufio.Writer) int {
return bw.Available() + bw.Buffered()
}
// readerSize returns buffer size of the given buffered reader.
// NOTE: current workaround implementation resets underlying io.Reader.
func readerSize(br *bufio.Reader) int {
br.Reset(sizeReader)
br.ReadByte()
n := br.Buffered() + 1
br.Reset(nil)
return n
}
var sizeReader optimisticReader
type optimisticReader struct{}
func (optimisticReader) Read(p []byte) (int, error) {
return len(p), nil
}