1 // Copyright 2020 Google Inc.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 //
15 ////////////////////////////////////////////////////////////////////////////////
16
17 #include <string>
18
19 #include <fuzzer/FuzzedDataProvider.h>
20
21 #include "absl/strings/str_format.h"
22 #include "absl/strings/str_join.h"
23 #include "absl/strings/str_split.h"
24 #include "absl/strings/numbers.h"
25 #include "absl/strings/str_cat.h"
26
27
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)28 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
29 FuzzedDataProvider fuzzed_data(data, size);
30 float float_value = fuzzed_data.ConsumeFloatingPoint<float>();
31 double double_value = fuzzed_data.ConsumeFloatingPoint<double>();
32 int int_value = fuzzed_data.ConsumeIntegral<int>();
33 bool bool_value = fuzzed_data.ConsumeBool();
34 std::string str1 = fuzzed_data.ConsumeRandomLengthString();
35 std::string str2 = fuzzed_data.ConsumeRemainingBytesAsString();
36
37 std::string float_str = absl::StrFormat("%g", float_value);
38 std::string double_str = absl::StrFormat("%g", double_value);
39 std::string int_str = absl::StrFormat("%d", int_value);
40 std::string bool_str = absl::StrFormat("%d", bool_value);
41
42 if (!absl::SimpleAtof(float_str, &float_value))
43 return 0;
44 if (!absl::SimpleAtod(double_str, &double_value))
45 return 0;
46 if (!absl::SimpleAtoi(int_str, &int_value))
47 return 0;
48 if (!absl::SimpleAtob(bool_str, &bool_value))
49 return 0;
50
51 absl::StrAppend(&str1, str2);
52 std::string str_result = absl::StrCat(str1, float_value, double_value, int_value, bool_value);
53 std::vector<std::string> v = absl::StrSplit(str_result, ".");
54 absl::StrJoin(v, ".");
55 return 0;
56 }