10b57cec5SDimitry Andric //===- FuzzerUtilLinux.cpp - Misc utils for Linux. ------------------------===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric // Misc utils for Linux. 90b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 105ffd83dbSDimitry Andric #include "FuzzerPlatform.h" 110b57cec5SDimitry Andric #if LIBFUZZER_LINUX || LIBFUZZER_NETBSD || LIBFUZZER_FREEBSD || \ 12*af732203SDimitry Andric LIBFUZZER_EMSCRIPTEN 130b57cec5SDimitry Andric #include "FuzzerCommand.h" 140b57cec5SDimitry Andric 150b57cec5SDimitry Andric #include <stdlib.h> 160b57cec5SDimitry Andric #include <sys/types.h> 170b57cec5SDimitry Andric #include <sys/wait.h> 18480093f4SDimitry Andric #include <unistd.h> 190b57cec5SDimitry Andric 200b57cec5SDimitry Andric 210b57cec5SDimitry Andric namespace fuzzer { 220b57cec5SDimitry Andric ExecuteCommand(const Command & Cmd)230b57cec5SDimitry Andricint ExecuteCommand(const Command &Cmd) { 240b57cec5SDimitry Andric std::string CmdLine = Cmd.toString(); 250b57cec5SDimitry Andric int exit_code = system(CmdLine.c_str()); 260b57cec5SDimitry Andric if (WIFEXITED(exit_code)) 270b57cec5SDimitry Andric return WEXITSTATUS(exit_code); 280b57cec5SDimitry Andric return exit_code; 290b57cec5SDimitry Andric } 300b57cec5SDimitry Andric DiscardOutput(int Fd)31480093f4SDimitry Andricvoid DiscardOutput(int Fd) { 32480093f4SDimitry Andric FILE* Temp = fopen("/dev/null", "w"); 33480093f4SDimitry Andric if (!Temp) 34480093f4SDimitry Andric return; 35480093f4SDimitry Andric dup2(fileno(Temp), Fd); 36480093f4SDimitry Andric fclose(Temp); 37480093f4SDimitry Andric } 38480093f4SDimitry Andric 390b57cec5SDimitry Andric } // namespace fuzzer 400b57cec5SDimitry Andric 410b57cec5SDimitry Andric #endif 42