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| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// Simple test for a fuzzer. The fuzzer must find the interesting switch value.
#include <cstddef>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
int Switch(int a) {
switch(a) {
case 100001: return 1;
case 100002: return 2;
case 100003: return 4;
}
return 0;
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
const int N = 3;
if (Size < N * sizeof(int)) return 0;
int Res = 0;
for (int i = 0; i < N; i++) {
int X;
memcpy(&X, Data + i * sizeof(int), sizeof(int));
Res += Switch(X);
}
if (Res == 5 || Res == 3 || Res == 6 || Res == 7) {
fprintf(stderr, "BINGO; Found the target, exiting; Res=%d\n", Res);
exit(1);
}
return 0;
}
|