zstd: Apply default config to ZipDecompressor without options (#608)

This was only applied when options were specified.
klauspost · May 30, 2022 · 3122d7a · 3122d7a
1 parent 8316d3d
commit 3122d7a
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/zstd/zip.go b/zstd/zip.go
@@ -18,7 +18,14 @@ const ZipMethodWinZip = 93
 // See https://pkware.cachefly.net/webdocs/APPNOTE/APPNOTE-6.3.9.TXT
 const ZipMethodPKWare = 20
 
-var zipReaderPool sync.Pool
+// zipReaderPool is the default reader pool.
+var zipReaderPool = sync.Pool{New: func() interface{} {
+	z, err := NewReader(nil, WithDecoderLowmem(true), WithDecoderMaxWindow(128<<20), WithDecoderConcurrency(1))
+	if err != nil {
+		panic(err)
+	}
+	return z
+}}
 
 // newZipReader creates a pooled zip decompressor.
 func newZipReader(opts ...DOption) func(r io.Reader) io.ReadCloser {