1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include <stddef.h>
6 #include <stdint.h>
7
8 #include <string>
9 #include <vector>
10
11 #include "base/strings/string_number_conversions.h"
12
13 // Entry point for LibFuzzer.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)14 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
15 base::StringPiece string_piece_input(reinterpret_cast<const char*>(data),
16 size);
17 std::string string_input(reinterpret_cast<const char*>(data), size);
18
19 int out_int;
20 base::StringToInt(string_piece_input, &out_int);
21 unsigned out_uint;
22 base::StringToUint(string_piece_input, &out_uint);
23 int64_t out_int64;
24 base::StringToInt64(string_piece_input, &out_int64);
25 uint64_t out_uint64;
26 base::StringToUint64(string_piece_input, &out_uint64);
27 size_t out_size;
28 base::StringToSizeT(string_piece_input, &out_size);
29
30 // Test for StringPiece16 if size is even.
31 if (size % 2 == 0) {
32 base::StringPiece16 string_piece_input16(
33 reinterpret_cast<const base::char16*>(data), size / 2);
34
35 base::StringToInt(string_piece_input16, &out_int);
36 base::StringToUint(string_piece_input16, &out_uint);
37 base::StringToInt64(string_piece_input16, &out_int64);
38 base::StringToUint64(string_piece_input16, &out_uint64);
39 base::StringToSizeT(string_piece_input16, &out_size);
40 }
41
42 double out_double;
43 base::StringToDouble(string_input, &out_double);
44
45 base::HexStringToInt(string_piece_input, &out_int);
46 base::HexStringToUInt(string_piece_input, &out_uint);
47 base::HexStringToInt64(string_piece_input, &out_int64);
48 base::HexStringToUInt64(string_piece_input, &out_uint64);
49 std::vector<uint8_t> out_bytes;
50 base::HexStringToBytes(string_piece_input, &out_bytes);
51
52 base::HexEncode(data, size);
53
54 // Convert the numbers back to strings.
55 base::NumberToString(out_int);
56 base::NumberToString16(out_int);
57 base::NumberToString(out_uint);
58 base::NumberToString16(out_uint);
59 base::NumberToString(out_int64);
60 base::NumberToString16(out_int64);
61 base::NumberToString(out_uint64);
62 base::NumberToString16(out_uint64);
63 base::NumberToString(out_double);
64 base::NumberToString16(out_double);
65
66 return 0;
67 }
68