1 // Copyright 2019 Google LLC 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 // https://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 // A binary that uses a buffer from its executor. 16 17 #include "sandboxed_api/sandbox2/buffer.h" 18 19 #include <cstdint> 20 #include <utility> 21 main(int argc,char * argv[])22int main(int argc, char* argv[]) { 23 auto buffer_or = sandbox2::Buffer::CreateFromFd(3); 24 if (!buffer_or.ok()) { 25 return EXIT_FAILURE; 26 } 27 auto buffer = std::move(buffer_or).value(); 28 uint8_t* buf = buffer->data(); 29 // Test that we can read data from the executor. 30 if (buf[0] != 'A') { 31 return EXIT_FAILURE; 32 } 33 // Test that we can write data to the executor. 34 buf[buffer->size() - 1] = 'B'; 35 return EXIT_SUCCESS; 36 } 37