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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 // Break through a series of strcmp.
      5 #include <cstring>
      6 #include <cstdint>
      7 #include <cstdio>
      8 #include <cstdlib>
      9 #include <cassert>
     10 
     11 bool Eq(const uint8_t *Data, size_t Size, const char *Str) {
     12   char Buff[1024];
     13   size_t Len = strlen(Str);
     14   if (Size < Len) return false;
     15   if (Len >= sizeof(Buff)) return false;
     16   memcpy(Buff, (char*)Data, Len);
     17   Buff[Len] = 0;
     18   int res = strcmp(Buff, Str);
     19   return res == 0;
     20 }
     21 
     22 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
     23   if (Eq(Data, Size, "AAA") &&
     24       Size >= 3 && Eq(Data + 3, Size - 3, "BBBB") &&
     25       Size >= 7 && Eq(Data + 7, Size - 7, "CCCCCC") &&
     26       Size >= 14 && Data[13] == 42
     27     ) {
     28     fprintf(stderr, "BINGO\n");
     29     exit(1);
     30   }
     31   return 0;
     32 }
     33