| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #define FUZZ_LOG_TAG "util" |
| #include "util.h" |
| |
| #include <android-base/logging.h> |
| |
| #include <iomanip> |
| #include <sstream> |
| |
| std::string hexString(const void* bytes, size_t len) { |
| if (bytes == nullptr) return "<null>"; |
| |
| const uint8_t* bytes8 = static_cast<const uint8_t*>(bytes); |
| char chars[] = "0123456789abcdef"; |
| std::string result; |
| result.resize(len * 2); |
| |
| for (size_t i = 0; i < len; i++) { |
| result[2 * i] = chars[bytes8[i] >> 4]; |
| result[2 * i + 1] = chars[bytes8[i] & 0xf]; |
| } |
| |
| return result; |
| } |
| std::string hexString(const std::vector<uint8_t>& bytes) { |
| return hexString(bytes.data(), bytes.size()); |
| } |