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