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
11static volatile int sink;
12
13extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
14 // TODO: check other sizes.
15 const char *S = (const char*)Data;
16 if (Size >= 8 && strncmp(S, "123", 8))
17 sink = 1;
18 if (Size >= 8 && strncmp(S, "01234567", 8) == 0) {
19 if (Size >= 12 && strncmp(S + 8, "ABCD", 4) == 0) {
20 if (Size >= 14 && strncmp(S + 12, "XY", 2) == 0) {
21 if (Size >= 17 && strncmp(S + 14, "KLM", 3) == 0) {
22 fprintf(stderr, "BINGO\n");
23 exit(1);
24 }
25 }
26 }
27 }
28 return 0;
29}
30