[llvm] r242596 - [libFuzzer] require the files and directories passed to the fuzzer to exist

[Kostya Serebryany]

Author: kcc
Date: Fri Jul 17 19:03:37 2015
New Revision: 242596

URL: http://llvm.org/viewvc/llvm-project?rev=242596&view=rev
Log:
[libFuzzer] require the files and directories passed to the fuzzer to exist

Modified:
    llvm/trunk/lib/Fuzzer/FuzzerIO.cpp

Modified: llvm/trunk/lib/Fuzzer/FuzzerIO.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/FuzzerIO.cpp?rev=242596&r1=242595&r2=242596&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/FuzzerIO.cpp (original)
+++ llvm/trunk/lib/Fuzzer/FuzzerIO.cpp Fri Jul 17 19:03:37 2015
@@ -21,7 +21,10 @@ namespace fuzzer {
 
 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 @@ static std::vector<std::string> ListFile
     *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);