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35 lines
577 B
Go
35 lines
577 B
Go
package s3
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import "io"
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type noOpReadCloser struct{}
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type readerWithCloser struct {
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io.Reader
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closer func() error
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}
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var _ io.ReadCloser = &readerWithCloser{}
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func (d noOpReadCloser) Read(b []byte) (n int, err error) {
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return 0, io.EOF
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}
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func (d noOpReadCloser) Close() error {
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return nil
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}
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func limitReadCloser(rdr io.Reader, closer func() error, sz int64) io.ReadCloser {
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return &readerWithCloser{
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Reader: io.LimitReader(rdr, sz),
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closer: closer,
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}
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}
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func (rwc *readerWithCloser) Close() error {
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if rwc.closer != nil {
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return rwc.closer()
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}
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return nil
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}
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