40 lines
798 B
Go
40 lines
798 B
Go
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package http3
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// copied from net/transport.go
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// gzipReader wraps a response body so it can lazily
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// call gzip.NewReader on the first call to Read
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import (
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"compress/gzip"
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"io"
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)
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// call gzip.NewReader on the first call to Read
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type gzipReader struct {
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body io.ReadCloser // underlying Response.Body
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zr *gzip.Reader // lazily-initialized gzip reader
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zerr error // sticky error
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}
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func newGzipReader(body io.ReadCloser) io.ReadCloser {
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return &gzipReader{body: body}
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}
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func (gz *gzipReader) Read(p []byte) (n int, err error) {
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if gz.zerr != nil {
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return 0, gz.zerr
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}
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if gz.zr == nil {
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gz.zr, err = gzip.NewReader(gz.body)
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if err != nil {
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gz.zerr = err
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return 0, err
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}
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}
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return gz.zr.Read(p)
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}
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func (gz *gzipReader) Close() error {
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return gz.body.Close()
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}
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