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https://git.huckle.dev/Huckles-Minecraft-Archive/jpexs-decompiler.git
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70 lines
2.2 KiB
Java
70 lines
2.2 KiB
Java
/*
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* Copyright (C) 2010-2014 JPEXS
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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 <http://www.gnu.org/licenses/>.
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*/
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package com.jpexs.browsers.cache.chrome;
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import java.io.IOException;
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import java.io.InputStream;
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/**
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*
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* @author JPEXS
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*/
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public class BlockFileHeader {
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static final int kBlockHeaderSize = 8192; // Two pages: almost 64k entries
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static final int kMaxBlocks = (kBlockHeaderSize - 80) * 8;
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long magic; // c3 ca 04 c1
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long version; // 00 00 02 00
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int this_file;
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int next_file;
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int entry_size;
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int num_entries;
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int max_entries;
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int empty[] = new int[4];
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int hints[] = new int[4];
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int updating;
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int user[] = new int[5];
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long allocation_map[] = new long[kMaxBlocks / 32];
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public BlockFileHeader(InputStream is) throws IOException {
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IndexInputStream iis = new IndexInputStream(is);
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magic = iis.readUInt32();
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version = iis.readUInt32();
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this_file = iis.readInt16();
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next_file = iis.readInt16();
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entry_size = iis.readInt32();
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num_entries = iis.readInt32();
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max_entries = iis.readInt32();
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empty = new int[4];
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for (int i = 0; i < 4; i++) {
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empty[i] = iis.readInt32();
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}
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hints = new int[4];
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for (int i = 0; i < 4; i++) {
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hints[i] = iis.readInt32();
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}
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updating = iis.readInt32();
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user = new int[5];
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for (int i = 0; i < 5; i++) {
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user[i] = iis.readInt32();
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}
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for (int i = 0; i < allocation_map.length; i++) {
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allocation_map[i] = iis.readUInt32();
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}
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}
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}
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