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 the interesting switch value.
6#include <cstddef>
7#include <cstdint>
8#include <cstdio>
9#include <cstdlib>
10#include <cstring>
11
12static volatile int Sink;
13
14extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
15 uint32_t v;
16 if (Size < 100) return 0;
17 memcpy(dest: &v, src: Data + Size / 2, n: sizeof(v));
18 switch(v) {
19 case 0x47524159: abort();
20 case 0x52474220: abort();
21 default:;
22 }
23 return 0;
24}
25
26

source code of compiler-rt/test/fuzzer/Switch3Test.cpp