1 // Copyright 2020 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #pragma once 16 17 #include "aemu/base/Compiler.h" 18 #include "aemu/base/files/Stream.h" 19 20 21 #include <stdio.h> 22 23 namespace android { 24 namespace base { 25 26 // An implementation of android::base::Stream interface on top of an 27 // stdio FILE* instance. 28 class StdioStream : public Stream { 29 public: 30 enum Ownership { kNotOwner, kOwner }; 31 32 StdioStream(FILE* file = nullptr, Ownership ownership = kNotOwner); 33 StdioStream(StdioStream&& other); 34 StdioStream& operator=(StdioStream&& other); 35 36 virtual ~StdioStream(); 37 virtual ssize_t read(void* buffer, size_t size) override; 38 virtual ssize_t write(const void* buffer, size_t size) override; 39 get()40 FILE* get() const { return mFile; } 41 void close(); 42 43 private: 44 45 DISALLOW_COPY_AND_ASSIGN(StdioStream); 46 47 FILE* mFile; 48 Ownership mOwnership; 49 }; 50 51 } // namespace base 52 } // namespace android 53