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