Atmosphere/libraries/libstratosphere/source/fssystem/fssystem_compression_configuration.cpp

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/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "fssystem_key_slot_cache.hpp"
namespace ams::fssystem {
namespace {
Result DecompressLz4(void *dst, size_t dst_size, const void *src, size_t src_size) {
R_UNLESS(util::DecompressLZ4(dst, dst_size, src, src_size) == static_cast<int>(dst_size), fs::ResultUnexpectedInCompressedStorageC());
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R_SUCCEED();
}
constexpr DecompressorFunction GetNcaDecompressorFunction(CompressionType type) {
switch (type) {
case CompressionType_Lz4:
return DecompressLz4;
default:
return nullptr;
}
}
constexpr NcaCompressionConfiguration g_nca_compression_configuration {
.get_decompressor = GetNcaDecompressorFunction,
};
}
const ::ams::fssystem::NcaCompressionConfiguration *GetNcaCompressionConfiguration() {
return std::addressof(g_nca_compression_configuration);
}
}