mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
/*
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* Copyright (c) 2018-2019 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 "ldr_arguments.hpp"
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namespace sts::ldr::args {
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namespace {
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/* Convenience definitions. */
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constexpr ncm::TitleId FreeTitleId = {};
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constexpr size_t MaxArgumentInfos = 10;
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/* Global storage. */
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ArgumentInfo g_argument_infos[MaxArgumentInfos];
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/* Helpers. */
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ArgumentInfo *FindArgumentInfo(ncm::TitleId title_id) {
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for (size_t i = 0; i < MaxArgumentInfos; i++) {
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if (g_argument_infos[i].title_id == title_id) {
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return &g_argument_infos[i];
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}
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}
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return nullptr;
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}
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ArgumentInfo *FindFreeArgumentInfo() {
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return FindArgumentInfo(FreeTitleId);
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}
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}
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/* API. */
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const ArgumentInfo *Get(ncm::TitleId title_id) {
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return FindArgumentInfo(title_id);
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}
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Result Set(ncm::TitleId title_id, const void *args, size_t args_size) {
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if (args_size >= ArgumentSizeMax) {
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return ResultLoaderTooLongArgument;
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}
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ArgumentInfo *arg_info = FindArgumentInfo(title_id);
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if (arg_info == nullptr) {
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arg_info = FindFreeArgumentInfo();
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}
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if (arg_info == nullptr) {
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return ResultLoaderTooManyArguments;
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}
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arg_info->title_id = title_id;
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arg_info->args_size = args_size;
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std::memcpy(arg_info->args, args, args_size);
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return ResultSuccess;
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}
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Result Clear() {
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for (size_t i = 0; i < MaxArgumentInfos; i++) {
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g_argument_infos[i].title_id = FreeTitleId;
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}
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return ResultSuccess;
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}
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}
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