mirror of
https://github.com/WerWolv/ImHex-Patterns.git
synced 2026-03-28 07:47:02 -05:00
62a83b53aa
* Update pbz pattern - Rename pbzx to pbz; turns out the 'x' is the compression type. - Use type::Magic for the "pbz" magic number. - Decode compression type as an enum. - Mention compression_tool in the header comment. * Rename pbzx.hexpat to pbz.hexpat
41 lines
784 B
Rust
41 lines
784 B
Rust
// Apple pbz compressed file
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// Used by Apple on .xip files and OTA updates,
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// and can be created with macOS compression_tool.
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//
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// Copyright (c) 2023 Nicolás Alvarez <nicolas.alvarez@gmail.com>
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//
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <std/mem.pat>
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#include <type/magic.pat>
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#pragma endian big
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#define SHOW_DATA 0
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enum CompressionType: char {
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ZLIB = 'z',
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LZMA = 'x',
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LZ4 = '4',
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LZFSE = 'e'
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};
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struct Chunk {
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u64 uncompressed_size;
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u64 compressed_size;
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if (SHOW_DATA) {
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u8 data[compressed_size] [[sealed]];
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} else {
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padding[compressed_size];
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}
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};
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struct PBZ {
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type::Magic<"pbz"> magic;
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CompressionType compression;
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u64 chunk_size;
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Chunk chunks[while(!std::mem::eof())];
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};
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PBZ pbz @ 0;
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