1*3cab2bb3Spatrick //===- FuzzerUtilLinux.cpp - Misc utils for Linux. ------------------------===// 2*3cab2bb3Spatrick // 3*3cab2bb3Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*3cab2bb3Spatrick // See https://llvm.org/LICENSE.txt for license information. 5*3cab2bb3Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*3cab2bb3Spatrick // 7*3cab2bb3Spatrick //===----------------------------------------------------------------------===// 8*3cab2bb3Spatrick // Misc utils for Linux. 9*3cab2bb3Spatrick //===----------------------------------------------------------------------===// 10*3cab2bb3Spatrick #include "FuzzerDefs.h" 11*3cab2bb3Spatrick #if LIBFUZZER_LINUX || LIBFUZZER_NETBSD || LIBFUZZER_FREEBSD || \ 12*3cab2bb3Spatrick LIBFUZZER_OPENBSD || LIBFUZZER_EMSCRIPTEN 13*3cab2bb3Spatrick #include "FuzzerCommand.h" 14*3cab2bb3Spatrick 15*3cab2bb3Spatrick #include <stdlib.h> 16*3cab2bb3Spatrick #include <sys/types.h> 17*3cab2bb3Spatrick #include <sys/wait.h> 18*3cab2bb3Spatrick #include <unistd.h> 19*3cab2bb3Spatrick 20*3cab2bb3Spatrick 21*3cab2bb3Spatrick namespace fuzzer { 22*3cab2bb3Spatrick 23*3cab2bb3Spatrick int ExecuteCommand(const Command &Cmd) { 24*3cab2bb3Spatrick std::string CmdLine = Cmd.toString(); 25*3cab2bb3Spatrick int exit_code = system(CmdLine.c_str()); 26*3cab2bb3Spatrick if (WIFEXITED(exit_code)) 27*3cab2bb3Spatrick return WEXITSTATUS(exit_code); 28*3cab2bb3Spatrick return exit_code; 29*3cab2bb3Spatrick } 30*3cab2bb3Spatrick 31*3cab2bb3Spatrick void DiscardOutput(int Fd) { 32*3cab2bb3Spatrick FILE* Temp = fopen("/dev/null", "w"); 33*3cab2bb3Spatrick if (!Temp) 34*3cab2bb3Spatrick return; 35*3cab2bb3Spatrick dup2(fileno(Temp), Fd); 36*3cab2bb3Spatrick fclose(Temp); 37*3cab2bb3Spatrick } 38*3cab2bb3Spatrick 39*3cab2bb3Spatrick } // namespace fuzzer 40*3cab2bb3Spatrick 41*3cab2bb3Spatrick #endif 42