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