From def3214d7496061c4380ac35e9fd8e703f07dd2d Mon Sep 17 00:00:00 2001
From: Nick Terrell <terrelln@fb.com>
Date: Wed, 13 Sep 2017 17:44:30 -0700
Subject: [PATCH] [fuzzer] Handle single empty directory

---
 tests/fuzz/regression_driver.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tests/fuzz/regression_driver.c b/tests/fuzz/regression_driver.c
index 36ae3884..2b714d29 100644
--- a/tests/fuzz/regression_driver.c
+++ b/tests/fuzz/regression_driver.c
@@ -29,9 +29,11 @@ int main(int argc, char const **argv) {
 #ifdef UTIL_HAS_CREATEFILELIST
   files = UTIL_createFileList(files, numFiles, &fileNamesBuf, &numFiles,
                               kFollowLinks);
-  FUZZ_ASSERT(files);
+  if (!files)
+    numFiles = 0;
 #endif
-
+  if (numFiles == 0)
+    fprintf(stderr, "WARNING: No files passed to %s\n", argv[0]);
   for (i = 0; i < numFiles; ++i) {
     char const *fileName = files[i];
     size_t const fileSize = UTIL_getFileSize(fileName);