blob: cb935da0c13e3d8ab347f351826ac5dfc73c1310 [file] [log] [blame]
Roman Lebedeveb4a9bc2018-07-30 18:58:30 +00001// 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 <climits>
7#include <cstddef>
8#include <cstdint>
9#include <cstdlib>
10#include <iostream>
11
12static volatile int Sink;
13static unsigned char Large = UINT8_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 = Large + 1; // 'char overflow'.
23 }
24 }
25 }
26 return 0;
27}