33 lines · cpp
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-exception4 5// Test that we can find the minimal item in the corpus (3 bytes: "FUZ").6#include <cstddef>7#include <cstdint>8#include <cstdio>9#include <cstdlib>10#include <cstring>11 12static volatile int Sink;13 14void Foo() {15 Sink++;16}17 18extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {19 int8_t Ids[256];20 memset(Ids, -1, sizeof(Ids));21 for (size_t i = 0; i < Size; i++)22 if (Ids[Data[i]] == -1)23 Ids[Data[i]] = i;24 int F = Ids[(unsigned char)'F'];25 int U = Ids[(unsigned char)'U'];26 int Z = Ids[(unsigned char)'Z'];27 if (F >= 0 && U > F && Z > U) {28 Foo();29 }30 return 0;31}32 33