mirror of
https://git.eden-emu.dev/eden-emu/eden.git
synced 2026-09-26 19:11:00 +00:00
xbzk
47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
|
|
// SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
#include <cstring>
|
|
|
|
#include "common/zbic_compression.h"
|
|
|
|
#define ZSTD_ZBIC_SUPPORT 1
|
|
#define ZSTDLIB_VISIBLE static
|
|
#define ZSTDLIB_HIDDEN static
|
|
#define ZSTDERRORLIB_VISIBLE static
|
|
#define ZSTDERRORLIB_HIDDEN static
|
|
#undef ZSTD_MULTITHREAD
|
|
|
|
#if defined(__ANDROID__)
|
|
#undef _GNU_SOURCE
|
|
#endif
|
|
|
|
#include "zstd.h"
|
|
#define g_ZSTD_threading_useless_symbol g_ZSTD_zbic_threading_useless_symbol
|
|
#include "zstd.c"
|
|
#undef g_ZSTD_threading_useless_symbol
|
|
|
|
namespace Common::Compression {
|
|
|
|
bool IsZBIC(std::span<const u8> src) {
|
|
if (src.size() < sizeof(u32)) {
|
|
return false;
|
|
}
|
|
u32 magic = 0;
|
|
std::memcpy(&magic, src.data(), sizeof(u32));
|
|
return magic == ZSTD_MAGICNUMBER; // 0x4349425A ("ZBIC")
|
|
}
|
|
|
|
int DecompressDataZBIC(std::span<u8> dst, std::span<const u8> src) {
|
|
if (dst.empty() || src.empty()) {
|
|
return -1;
|
|
}
|
|
const size_t res = ZSTD_decompress(dst.data(), dst.size(), src.data(), src.size());
|
|
if (ZSTD_isError(res)) {
|
|
return -1;
|
|
}
|
|
return static_cast<int>(res);
|
|
}
|
|
|
|
} // namespace Common::Compression
|