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73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
6 years ago
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/**
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* @file rba.cpp
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* A "really basic archiver"
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*
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* Copyright (C) 2018 Clyne Sullivan
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <cstdint>
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int main(int argc, char *argv[])
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{
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// check args
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if (argc < 3) {
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std::cout << "Usage: " << argv[0] << " archive files...\n";
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return 0;
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}
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std::ofstream archive (argv[1], std::ios::out);
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for (int i = 2; i < argc; i++) {
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// attempt to read file contents
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std::string fileName (argv[i]);
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std::ifstream contents (fileName, std::ios::in | std::ios::ate);
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std::string shortName;
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if (auto pos = fileName.rfind('/'); pos != std::string::npos)
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shortName = fileName.substr(pos + 1);
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else
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shortName = fileName;
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if (contents.good()) {
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uint32_t size = contents.tellg();
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contents.seekg(0);
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std::cout << "Adding file " << fileName <<" ("
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<< size << " bytes)...\n";
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// read in file
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char *buffer = new char[size];
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contents.read(buffer, size);
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// write name size/text
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uint32_t nameSize = shortName.size();
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archive.write((char *)&nameSize, sizeof(uint32_t));
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archive.write(shortName.data(), nameSize);
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// write data size/content
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archive.write((char *)&size, sizeof(uint32_t));
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archive.write(buffer, size);
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delete[] buffer;
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} else {
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std::cout << "Failed to add file " << fileName
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<< ", continuing...\n";
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}
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}
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std::cout << "Created archive " << argv[1] << '\n';
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return 0;
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}
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