commit 2648243ebdb1df3dbef182fa062bf1a2a2d06109
author Kostya Serebryany <kcc@google.com> Thu Jan 05 04:32:19 2017 +0000
committer Kostya Serebryany <kcc@google.com> Thu Jan 05 04:32:19 2017 +0000
tree bef6592e14629e427405c2992d8e2d2216236898
parent 6196eaf0ae339ecfe8523eda37b1c758560786d2

[libFuzzer] use /tmp (or $TMPDIR, if present) to store temp files during merge

llvm-svn: 291078

llvm/lib/Fuzzer/FuzzerMerge.cpp

diff --git a/llvm/lib/Fuzzer/FuzzerMerge.cpp b/llvm/lib/Fuzzer/FuzzerMerge.cpp
index 84660e0..b3d4643 100644
--- a/llvm/lib/Fuzzer/FuzzerMerge.cpp
+++ b/llvm/lib/Fuzzer/FuzzerMerge.cpp
@@ -220,8 +220,8 @@
     ListFilesInDirRecursive(Corpora[i], nullptr, &AllFiles, /*TopDir*/true);
   Printf("MERGE-OUTER: %zd files, %zd in the initial corpus\n",
          AllFiles.size(), NumFilesInFirstCorpus);
-  std::string CFPath =
-      "libFuzzerTemp." + std::to_string(GetPid()) + ".txt";
+  auto CFPath = DirPlusFile(TmpDir(),
+                       "libFuzzerTemp." + std::to_string(GetPid()) + ".txt");
   // Write the control file.
   RemoveFile(CFPath);
   std::ofstream ControlFile(CFPath);