[standalone] Automatically decompress gzip'd resources, including sources and script snapshots.

runtime/bin/gzip.h

+// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+#ifndef RUNTIME_BIN_GZIP_H_
+#define RUNTIME_BIN_GZIP_H_
+
+#include "platform/globals.h"
+
+namespace dart {
+namespace bin {
+
+// |input| is assumed to be a gzipped stream.
+// This function allocates the output buffer in the C heap and the caller
+// is responsible for freeing it.
+void Decompress(const uint8_t* input,
+                intptr_t input_len,
+                uint8_t** output,
+                intptr_t* output_length);
+
+// This function allocates the output buffer in the C heap and the caller
+// is responsible for freeing it.
+void Compress(const uint8_t* input,
+              intptr_t input_len,
+              uint8_t** output,
+              intptr_t* output_length);
+
+}  // namespace bin
+}  // namespace dart
+
+#endif  // RUNTIME_BIN_GZIP_H_