1 /* 2 * Copyright (C) 2022 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 SRC_SHARED_LIB_STREAM_WRITER_H_ 18 #define SRC_SHARED_LIB_STREAM_WRITER_H_ 19 20 #include "perfetto/public/abi/stream_writer_abi.h" 21 22 #include "perfetto/protozero/scattered_stream_writer.h" 23 24 namespace perfetto { 25 26 // Copies the visible state from `sw` to `*w`. UpdateStreamWriter(const protozero::ScatteredStreamWriter & sw,struct PerfettoStreamWriter * w)27inline void UpdateStreamWriter(const protozero::ScatteredStreamWriter& sw, 28 struct PerfettoStreamWriter* w) { 29 w->begin = sw.cur_range().begin; 30 w->end = sw.cur_range().end; 31 w->write_ptr = sw.write_ptr(); 32 w->written_previously = static_cast<size_t>(sw.written_previously()); 33 } 34 35 } // namespace perfetto 36 37 #endif // SRC_SHARED_LIB_STREAM_WRITER_H_ 38