1 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
2 // See https://llvm.org/LICENSE.txt for license information.
3 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
4 
5 // Simple test for a fuzzer. The fuzzer must find a particular string.
6 #include <cstdint>
7 #include <cstdio>
8 #include <cstdlib>
9 #include <cstring>
10 
11 #ifndef MEMCMP
12 # define MEMCMP memcmp
13 #endif
14 
15 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
16   // TODO: check other sizes.
17   if (Size >= 8 && MEMCMP(Data, "01234567", 8) == 0) {
18     if (Size >= 12 && MEMCMP(Data + 8, "ABCD", 4) == 0) {
19       if (Size >= 14 && MEMCMP(Data + 12, "XY", 2) == 0) {
20         if (Size >= 17 && MEMCMP(Data + 14, "KLM", 3) == 0) {
21           if (Size >= 27 && MEMCMP(Data + 17, "ABCDE-GHIJ", 10) == 0){
22             fprintf(stderr, "BINGO %zd\n", Size);
23             for (size_t i = 0; i < Size; i++) {
24               uint8_t C = Data[i];
25               if (C >= 32 && C < 127)
26                 fprintf(stderr, "%c", C);
27             }
28             fprintf(stderr, "\n");
29             exit(1);
30           }
31         }
32       }
33     }
34   }
35   return 0;
36 }
37