Import libfuzzer-sys Rust Crate am: d4c94dacf6 am: 2951b303d0

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/libfuzzer-sys/+/1500710

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I4f350329e875ccbb6b1eda59b80a550ef0bcb5e1

1 files changed, 41 insertions, 0 deletions

diff --git a/libfuzzer/FuzzerUtilLinux.cpp b/libfuzzer/FuzzerUtilLinux.cpp
new file mode 100644
index 0000000..95490b9
--- /dev/null
+++ b/libfuzzer/FuzzerUtilLinux.cpp
@@ -0,0 +1,41 @@
+//===- FuzzerUtilLinux.cpp - Misc utils for Linux. ------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+// Misc utils for Linux.
+//===----------------------------------------------------------------------===//
+#include "FuzzerPlatform.h"
+#if LIBFUZZER_LINUX || LIBFUZZER_NETBSD || LIBFUZZER_FREEBSD ||                \
+    LIBFUZZER_OPENBSD || LIBFUZZER_EMSCRIPTEN
+#include "FuzzerCommand.h"
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+
+namespace fuzzer {
+
+int ExecuteCommand(const Command &Cmd) {
+  std::string CmdLine = Cmd.toString();
+  int exit_code = system(CmdLine.c_str());
+  if (WIFEXITED(exit_code))
+    return WEXITSTATUS(exit_code);
+  return exit_code;
+}
+
+void DiscardOutput(int Fd) {
+  FILE* Temp = fopen("/dev/null", "w");
+  if (!Temp)
+    return;
+  dup2(fileno(Temp), Fd);
+  fclose(Temp);
+}
+
+} // namespace fuzzer
+
+#endif