xz.h revision 246bf21fd0074a1897c28a7c4703c2223e6224b6 
1//
2// Copyright (C) 2016 The Android Open Source Project
3//
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at
7//
8//      http://www.apache.org/licenses/LICENSE-2.0
9//
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15//
16
17#ifndef UPDATE_ENGINE_PAYLOAD_GENERATOR_XZ_H_
18#define UPDATE_ENGINE_PAYLOAD_GENERATOR_XZ_H_
19
20#include <brillo/secure_blob.h>
21
22namespace chromeos_update_engine {
23
24// Initialize the xz compression unit. Call once before any call to
25// XzCompress().
26void XzCompressInit();
27
28// Compresses the input buffer |in| into |out| with xz. The compressed stream
29// will be the equivalent of running xz -9 --check=none
30bool XzCompress(const brillo::Blob& in, brillo::Blob* out);
31
32}  // namespace chromeos_update_engine
33
34#endif  // UPDATE_ENGINE_PAYLOAD_GENERATOR_XZ_H_
35