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http: ReponseWriter prefer ReadFrom if available (#6565)

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Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
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WeidiDeng 2024-10-02 01:19:03 +08:00 committed by GitHub
parent 571f88d86f
commit f3aead0e4d
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1 changed files with 6 additions and 2 deletions
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8
modules/caddyhttp/responsewriter.go
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@ -42,9 +42,13 @@ func (rww *ResponseWriterWrapper) Push(target string, opts *http.PushOptions) er
return ErrNotImplemented
}
// ReadFrom implements io.ReaderFrom. It simply calls io.Copy,
// which uses io.ReaderFrom if available.
// ReadFrom implements io.ReaderFrom. It retries to use io.ReaderFrom if available,
// then fallback to io.Copy.
// see: https://github.com/caddyserver/caddy/issues/6546
func (rww *ResponseWriterWrapper) ReadFrom(r io.Reader) (n int64, err error) {
if rf, ok := rww.ResponseWriter.(io.ReaderFrom); ok {
return rf.ReadFrom(r)
}
return io.Copy(rww.ResponseWriter, r)
}