mirror of
https://github.com/Atmosphere-NX/Atmosphere
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43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vapours.hpp>
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namespace ams::fssystem::dbm {
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namespace {
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constexpr inline s32 CountLeadingZeros(u32 val) {
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return util::CountLeadingZeros(val);
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}
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constexpr inline s32 CountLeadingOnes(u32 val) {
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return CountLeadingZeros(~val);
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}
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inline u32 ReadU32(const u8 *buf, size_t index) {
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u32 val;
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std::memcpy(std::addressof(val), buf + index, sizeof(u32));
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return val;
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}
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inline void WriteU32(u8 *buf, size_t index, u32 val) {
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std::memcpy(buf + index, std::addressof(val), sizeof(u32));
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}
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}
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}
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