1 /*
2 * Copyright 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "fuzz/helpers.h"
18
19 #include "common/bind.h"
20
21 namespace bluetooth {
22 namespace fuzz {
23
24 // cribbed from https://github.com/google/fuzzing/blob/master/docs/split-inputs.md#magic-separator
SplitInput(const uint8_t * data,size_t size,const uint8_t * separator,size_t separatorSize)25 std::vector<std::vector<uint8_t>> SplitInput(
26 const uint8_t* data, size_t size, const uint8_t* separator, size_t separatorSize) {
27 std::vector<std::vector<uint8_t>> result;
28 assert(separatorSize > 0);
29 auto beg = data;
30 auto end = data + size;
31 while (const uint8_t* pos = (const uint8_t*)memmem(beg, end - beg, separator, separatorSize)) {
32 result.push_back({beg, pos});
33 beg = pos + separatorSize;
34 }
35 if (beg < end) {
36 result.push_back({beg, end});
37 }
38 return result;
39 }
40
GetArbitraryBytes(FuzzedDataProvider * fdp)41 std::vector<uint8_t> GetArbitraryBytes(FuzzedDataProvider* fdp) {
42 return fdp->ConsumeBytes<uint8_t>(fdp->ConsumeIntegral<size_t>());
43 }
44
45 } // namespace fuzz
46 } // namespace bluetooth
47