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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 int Sink;
12 
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)13 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
14   int8_t Ids[256];
15   memset(Ids, -1, sizeof(Ids));
16   for (size_t i = 0; i < Size; i++)
17     if (Ids[Data[i]] == -1)
18       Ids[Data[i]] = i;
19   int F = Ids[(unsigned char)'F'];
20   int U = Ids[(unsigned char)'U'];
21   int Z = Ids[(unsigned char)'Z'];
22   if (F >= 0 && U > F && Z > U) {
23     Sink++;
24     //fprintf(stderr, "IDS: %d %d %d\n", F, U, Z);
25   }
26   return 0;
27 }
28 
29