| /* MIT License |
| * |
| * Copyright (c) The c-ares project and its contributors |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| * SPDX-License-Identifier: MIT |
| */ |
| #include <sys/types.h> |
| #include <fcntl.h> |
| #ifdef _MSC_VER |
| # include <io.h> |
| #else |
| # include <unistd.h> |
| #endif |
| |
| #include <iostream> |
| #include <vector> |
| |
| #include "dns-proto.h" |
| |
| namespace ares { |
| |
| static void ShowFile(const char* filename) { |
| int fd = open(filename, O_RDONLY); |
| if (fd < 0) { |
| std::cerr << "Failed to open '" << filename << "'" << std::endl; |
| return; |
| } |
| std::vector<unsigned char> contents; |
| while (true) { |
| unsigned char buffer[1024]; |
| ares_ssize_t len = read(fd, buffer, sizeof(buffer)); |
| if (len <= 0) break; |
| contents.insert(contents.end(), buffer, buffer + len); |
| } |
| std::cout << PacketToString(contents) << std::endl; |
| } |
| |
| } // namespace ares |
| |
| int main(int argc, char* argv[]) { |
| for (int ii = 1; ii < argc; ++ii) { |
| ares::ShowFile(argv[ii]); |
| } |
| return 0; |
| } |
| |