1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Fuzzer/FuzzerIOPosix.cpp b/lib/Fuzzer/FuzzerIOPosix.cpp
index 720bc1304594..6d8edf6ff538 100644
--- a/lib/Fuzzer/FuzzerIOPosix.cpp
+++ b/lib/Fuzzer/FuzzerIOPosix.cpp
@@ -83,6 +83,12 @@ std::string DirName(const std::string &FileName) {
   return Res;
 }
 
+std::string TmpDir() {
+  if (auto Env = getenv("TMPDIR"))
+    return Env;
+  return "/tmp";
+}
+
 }  // namespace fuzzer
 
 #endif // LIBFUZZER_POSIX