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xbzk
d0d34e6769
- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions). - [x] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md) - [x] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability. ------------------- zstd repo changed from atmosphere to kinnay's Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4484
41 lines
1005 B
C++
41 lines
1005 B
C++
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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#include <cstring>
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#include "common/zbic_compression.h"
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#define ZSTD_ZBIC_SUPPORT 1
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#define ZSTDLIB_VISIBLE static
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#define ZSTDLIB_HIDDEN static
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#define ZSTDERRORLIB_VISIBLE static
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#define ZSTDERRORLIB_HIDDEN static
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#undef ZSTD_MULTITHREAD
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#include "zstd.h"
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#include "zstd.c"
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namespace Common::Compression {
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bool IsZBIC(std::span<const u8> src) {
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if (src.size() < sizeof(u32)) {
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return false;
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}
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u32 magic = 0;
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std::memcpy(&magic, src.data(), sizeof(u32));
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return magic == ZSTD_MAGICNUMBER; // 0x4349425A ("ZBIC")
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}
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int DecompressDataZBIC(std::span<u8> dst, std::span<const u8> src) {
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if (dst.empty() || src.empty()) {
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return -1;
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}
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const size_t res = ZSTD_decompress(dst.data(), dst.size(), src.data(), src.size());
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if (ZSTD_isError(res)) {
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return -1;
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}
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return static_cast<int>(res);
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}
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} // namespace Common::Compression
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