[libFuzzer] make LLVMFuzzerTestOneInput (the fuzzer target function) return int instead of void. The actual return value is not *yet* used (and expected to be 0). This change is API breaking, so the fuzzers will need to be updated.

llvm-svn: 249214

1 files changed, 3 insertions, 2 deletions

diff --git a/llvm/lib/Fuzzer/test/SimpleDictionaryTest.cpp b/llvm/lib/Fuzzer/test/SimpleDictionaryTest.cpp
index 20c8067..b9cb2f0 100644
--- a/llvm/lib/Fuzzer/test/SimpleDictionaryTest.cpp
+++ b/llvm/lib/Fuzzer/test/SimpleDictionaryTest.cpp
@@ -10,9 +10,9 @@
 
 static volatile int Zero = 0;
 
-extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
   const char *Expected = "ElvisPresley";
-  if (Size < strlen(Expected)) return;
+  if (Size < strlen(Expected)) return 0;
   size_t Match = 0;
   for (size_t i = 0; Expected[i]; i++)
     if (Expected[i] + Zero == Data[i])
@@ -21,5 +21,6 @@ extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
     std::cout << "BINGO; Found the target, exiting\n";
     exit(1);
   }
+  return 0;
 }