1// This file is distributed under the University of Illinois Open Source
2// License. See LICENSE.TXT for details.
3
4// Test for signed-integer-overflow.
5#include <assert.h>
6#include <cstdint>
7#include <cstdlib>
8#include <cstddef>
9#include <iostream>
10#include <climits>
11
12static volatile int Sink;
13static int Large = INT_MAX;
14
15extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
16  assert(Data);
17  if (Size > 0 && Data[0] == 'H') {
18    Sink = 1;
19    if (Size > 1 && Data[1] == 'i') {
20      Sink = 2;
21      if (Size > 2 && Data[2] == '!') {
22        Large++;  // int overflow.
23      }
24    }
25  }
26  return 0;
27}
28
29