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1 // This file is distributed under the University of Illinois Open Source
2 // License. See LICENSE.TXT for details.
3 
4 // Test that we can find the minimal item in the corpus (3 bytes: "FUZ").
5 #include <cstdint>
6 #include <cstdlib>
7 #include <cstddef>
8 #include <cstring>
9 #include <cstdio>
10 
11 static volatile uint32_t Sink;
12 
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)13 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
14   if (Size < sizeof(uint32_t)) return 0;
15   uint32_t X, Y;
16   size_t Offset = Size < 8 ? 0 : Size / 2;
17   memcpy(&X, Data + Offset, sizeof(uint32_t));
18   memcpy(&Y, "FUZZ", sizeof(uint32_t));
19   Sink = X == Y;
20   return 0;
21 }
22 
23