commit 86e4a3e0a39e5cb18f592e4de91b4c96c17b41f6
author Kostya Serebryany <kcc@google.com> Sat Jul 18 00:03:37 2015 +0000
committer Kostya Serebryany <kcc@google.com> Sat Jul 18 00:03:37 2015 +0000
tree aee43d56cf4df0023090400edf336dd59d4c42c6
parent 9cb08f823f270d31041112c47617a99d04d06fb2

[libFuzzer] require the files and directories passed to the fuzzer to exist

llvm-svn: 242596

llvm/lib/Fuzzer/FuzzerIO.cpp

diff --git a/llvm/lib/Fuzzer/FuzzerIO.cpp b/llvm/lib/Fuzzer/FuzzerIO.cpp
index 85703c8..1d25389 100644
--- a/llvm/lib/Fuzzer/FuzzerIO.cpp
+++ b/llvm/lib/Fuzzer/FuzzerIO.cpp
@@ -21,7 +21,10 @@
 
 static long GetEpoch(const std::string &Path) {
   struct stat St;
-  if (stat(Path.c_str(), &St)) return 0;
+  if (stat(Path.c_str(), &St)) {
+    Printf("Can not stat: %s; exiting\n", Path.c_str());
+    exit(1);
+  }
   return St.st_mtime;
 }
 
@@ -34,7 +37,10 @@
     *Epoch = E;
   }
   DIR *D = opendir(Dir.c_str());
-  if (!D) return V;
+  if (!D) {
+    Printf("No such directory: %s; exiting\n", Dir.c_str());
+    exit(1);
+  }
   while (auto E = readdir(D)) {
     if (E->d_type == DT_REG || E->d_type == DT_LNK)
       V.push_back(E->d_name);