/* * 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 "lz4.h" namespace ams::util { /* Compression utilities. */ int CompressLZ4(void *dst, size_t dst_size, const void *src, size_t src_size) { /* Size checks. */ AMS_ABORT_UNLESS(dst_size <= std::numeric_limits<int>::max()); AMS_ABORT_UNLESS(src_size <= std::numeric_limits<int>::max()); /* This is just a thin wrapper around LZ4. */ return LZ4_compress_default(reinterpret_cast<const char *>(src), reinterpret_cast<char *>(dst), static_cast<int>(src_size), static_cast<int>(dst_size)); } /* Decompression utilities. */ int DecompressLZ4(void *dst, size_t dst_size, const void *src, size_t src_size) { /* Size checks. */ AMS_ABORT_UNLESS(dst_size <= std::numeric_limits<int>::max()); AMS_ABORT_UNLESS(src_size <= std::numeric_limits<int>::max()); /* This is just a thin wrapper around LZ4. */ return LZ4_decompress_safe(reinterpret_cast<const char *>(src), reinterpret_cast<char *>(dst), static_cast<int>(src_size), static_cast<int>(dst_size)); } }