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 
22 namespace chromeos_update_engine {
23 
24 // Initialize the xz compression unit. Call once before any call to
25 // XzCompress().
26 void 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
30 bool XzCompress(const brillo::Blob& in, brillo::Blob* out);
31 
32 }  // namespace chromeos_update_engine
33 
34 #endif  // UPDATE_ENGINE_PAYLOAD_GENERATOR_XZ_H_
35