1*ec63e07aSXin Li // Copyright 2019 Google LLC 2*ec63e07aSXin Li // 3*ec63e07aSXin Li // Licensed under the Apache License, Version 2.0 (the "License"); 4*ec63e07aSXin Li // you may not use this file except in compliance with the License. 5*ec63e07aSXin Li // You may obtain a copy of the License at 6*ec63e07aSXin Li // 7*ec63e07aSXin Li // https://www.apache.org/licenses/LICENSE-2.0 8*ec63e07aSXin Li // 9*ec63e07aSXin Li // Unless required by applicable law or agreed to in writing, software 10*ec63e07aSXin Li // distributed under the License is distributed on an "AS IS" BASIS, 11*ec63e07aSXin Li // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12*ec63e07aSXin Li // See the License for the specific language governing permissions and 13*ec63e07aSXin Li // limitations under the License. 14*ec63e07aSXin Li 15*ec63e07aSXin Li // A binary that uses a buffer from its executor. 16*ec63e07aSXin Li 17*ec63e07aSXin Li #include "sandboxed_api/sandbox2/buffer.h" 18*ec63e07aSXin Li 19*ec63e07aSXin Li #include <cstdint> 20*ec63e07aSXin Li #include <utility> 21*ec63e07aSXin Li main(int argc,char * argv[])22*ec63e07aSXin Liint main(int argc, char* argv[]) { 23*ec63e07aSXin Li auto buffer_or = sandbox2::Buffer::CreateFromFd(3); 24*ec63e07aSXin Li if (!buffer_or.ok()) { 25*ec63e07aSXin Li return EXIT_FAILURE; 26*ec63e07aSXin Li } 27*ec63e07aSXin Li auto buffer = std::move(buffer_or).value(); 28*ec63e07aSXin Li uint8_t* buf = buffer->data(); 29*ec63e07aSXin Li // Test that we can read data from the executor. 30*ec63e07aSXin Li if (buf[0] != 'A') { 31*ec63e07aSXin Li return EXIT_FAILURE; 32*ec63e07aSXin Li } 33*ec63e07aSXin Li // Test that we can write data to the executor. 34*ec63e07aSXin Li buf[buffer->size() - 1] = 'B'; 35*ec63e07aSXin Li return EXIT_SUCCESS; 36*ec63e07aSXin Li } 37