podman/pkg/machine/compression/zstd.go

27 lines
528 B
Go

package compression
import (
"io"
"github.com/klauspost/compress/zstd"
)
type zstdDecompressor struct {
genericDecompressor
}
func newZstdDecompressor(compressedFilePath string) (*zstdDecompressor, error) {
d, err := newGenericDecompressor(compressedFilePath)
return &zstdDecompressor{*d}, err
}
func (d *zstdDecompressor) decompress(w io.WriteSeeker, r io.Reader) error {
zstdReader, err := zstd.NewReader(r)
if err != nil {
return err
}
defer zstdReader.Close()
return d.sparseOptimizedCopy(w, zstdReader)
}