mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-29 05:36:04 +00:00
62 lines
2 KiB
C++
62 lines
2 KiB
C++
/*
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* Copyright (c) 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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#include <stratosphere.hpp>
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#include "ldr_argument_store.hpp"
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namespace ams::ldr {
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int ArgumentStore::FindIndex(Entry *map, ncm::ProgramId program_id) {
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for (auto i = 0; i < ArgumentMapCount; ++i) {
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if (map[i].program_id == program_id) {
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return i;
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}
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}
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return -1;
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}
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const ArgumentStore::Entry *ArgumentStore::Get(ncm::ProgramId program_id) {
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/* Find the matching arguments entry. */
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Entry *argument = nullptr;
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if (auto idx = FindIndex(m_argument_map, program_id); idx >= 0) {
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argument = m_argument_map + idx;
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}
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return argument;
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}
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Result ArgumentStore::Set(ncm::ProgramId program_id, const void *argument, size_t size) {
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/* Check that the argument size is within bounds. */
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R_UNLESS(size < ArgumentBufferSize, ldr::ResultArgumentOverflow());
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/* Find either a matching arguments entry, or an empty entry. */
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auto idx = FindIndex(m_argument_map, program_id);
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if (idx < 0) {
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idx = FindIndex(m_argument_map, ncm::InvalidProgramId);
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}
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R_UNLESS(idx >= 0, ldr::ResultArgumentCountOverflow());
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/* Set the arguments in the entry. */
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auto &entry = m_argument_map[idx];
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entry.program_id = program_id;
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entry.argument_size = size;
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std::memcpy(entry.argument, argument, entry.argument_size);
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R_SUCCEED();
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}
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}
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