From 4b35874b2a9e8efc8e3123726bc611030d382ecf Mon Sep 17 00:00:00 2001
From: Kostya Serebryany <kcc@google.com>
Date: Thu, 14 Jan 2016 02:36:44 +0000
Subject: [libFuzzer] suggest a dictionary to the user of some of the
 trace-based dictionary entries were successful

llvm-svn: 257736
---
 llvm/lib/Fuzzer/test/RepeatedMemcmp.cpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 llvm/lib/Fuzzer/test/RepeatedMemcmp.cpp

(limited to 'llvm/lib/Fuzzer/test/RepeatedMemcmp.cpp')

diff --git a/llvm/lib/Fuzzer/test/RepeatedMemcmp.cpp b/llvm/lib/Fuzzer/test/RepeatedMemcmp.cpp
new file mode 100644
index 00000000000..cb5e130003b
--- /dev/null
+++ b/llvm/lib/Fuzzer/test/RepeatedMemcmp.cpp
@@ -0,0 +1,19 @@
+
+#include <cstring>
+#include <cstdint>
+#include <cstdio>
+#include <cstdlib>
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+  int Matches = 0;
+  for (size_t i = 0; i + 2 < Size; i += 3) {
+    const char *Pat = i % 2 ? "foo" : "bar";
+    if (!memcmp(Data + i, Pat, 3))
+      Matches++;
+  }
+  if (Matches > 20) {
+    fprintf(stderr, "BINGO!\n");
+    exit(1);
+  }
+  return 0;
+}
-- 
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