ef24e72b26
Involves making asserts use printf instead of the log functions (log functions are asynchronous and, as such, the log won't be printed in time) As such, the log type argument was removed (printf obviously can't use it, and it's made obsolete by the file and line printing) Also removed some GEKKO cruft.
201 lines
8 KiB
C++
201 lines
8 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <algorithm>
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#include "common/make_unique.h"
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#include "core/file_sys/archive_systemsavedata.h"
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#include "core/hle/service/cfg/cfg.h"
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namespace Service {
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namespace CFG {
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const u64 CFG_SAVE_ID = 0x00010017;
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const u64 CONSOLE_UNIQUE_ID = 0xDEADC0DE;
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const ConsoleModelInfo CONSOLE_MODEL = { NINTENDO_3DS_XL, { 0, 0, 0 } };
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const u8 CONSOLE_LANGUAGE = LANGUAGE_EN;
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const char CONSOLE_USERNAME[0x14] = "CITRA";
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/// This will be initialized in CFGInit, and will be used when creating the block
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UsernameBlock CONSOLE_USERNAME_BLOCK;
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/// TODO(Subv): Find out what this actually is
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const u8 SOUND_OUTPUT_MODE = 2;
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const u8 UNITED_STATES_COUNTRY_ID = 49;
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/// TODO(Subv): Find what the other bytes are
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const ConsoleCountryInfo COUNTRY_INFO = { { 0, 0, 0 }, UNITED_STATES_COUNTRY_ID };
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/**
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* TODO(Subv): Find out what this actually is, these values fix some NaN uniforms in some games,
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* for example Nintendo Zone
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* Thanks Normmatt for providing this information
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*/
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const std::array<float, 8> STEREO_CAMERA_SETTINGS = {
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62.0f, 289.0f, 76.80000305175781f, 46.08000183105469f,
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10.0f, 5.0f, 55.58000183105469f, 21.56999969482422f
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};
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static const u32 CONFIG_SAVEFILE_SIZE = 0x8000;
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static std::array<u8, CONFIG_SAVEFILE_SIZE> cfg_config_file_buffer;
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static std::unique_ptr<FileSys::Archive_SystemSaveData> cfg_system_save_data;
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ResultCode GetConfigInfoBlock(u32 block_id, u32 size, u32 flag, u8* output) {
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// Read the header
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SaveFileConfig* config = reinterpret_cast<SaveFileConfig*>(cfg_config_file_buffer.data());
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auto itr = std::find_if(std::begin(config->block_entries), std::end(config->block_entries),
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[&](const SaveConfigBlockEntry& entry) {
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return entry.block_id == block_id && entry.size == size && (entry.flags & flag);
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});
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if (itr == std::end(config->block_entries)) {
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LOG_ERROR(Service_CFG, "Config block %u with size %u and flags %u not found", block_id, size, flag);
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return ResultCode(-1); // TODO(Subv): Find the correct error code
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}
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// The data is located in the block header itself if the size is less than 4 bytes
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if (itr->size <= 4)
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memcpy(output, &itr->offset_or_data, itr->size);
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else
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memcpy(output, &cfg_config_file_buffer[itr->offset_or_data], itr->size);
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return RESULT_SUCCESS;
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}
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ResultCode CreateConfigInfoBlk(u32 block_id, u16 size, u16 flags, const u8* data) {
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SaveFileConfig* config = reinterpret_cast<SaveFileConfig*>(cfg_config_file_buffer.data());
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if (config->total_entries >= CONFIG_FILE_MAX_BLOCK_ENTRIES)
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return ResultCode(-1); // TODO(Subv): Find the right error code
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// Insert the block header with offset 0 for now
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config->block_entries[config->total_entries] = { block_id, 0, size, flags };
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if (size > 4) {
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u32 offset = config->data_entries_offset;
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// Perform a search to locate the next offset for the new data
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// use the offset and size of the previous block to determine the new position
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for (int i = config->total_entries - 1; i >= 0; --i) {
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// Ignore the blocks that don't have a separate data offset
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if (config->block_entries[i].size > 4) {
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offset = config->block_entries[i].offset_or_data +
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config->block_entries[i].size;
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break;
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}
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}
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config->block_entries[config->total_entries].offset_or_data = offset;
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// Write the data at the new offset
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memcpy(&cfg_config_file_buffer[offset], data, size);
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}
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else {
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// The offset_or_data field in the header contains the data itself if it's 4 bytes or less
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memcpy(&config->block_entries[config->total_entries].offset_or_data, data, size);
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}
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++config->total_entries;
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return RESULT_SUCCESS;
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}
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ResultCode DeleteConfigNANDSaveFile() {
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FileSys::Path path("config");
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if (cfg_system_save_data->DeleteFile(path))
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return RESULT_SUCCESS;
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return ResultCode(-1); // TODO(Subv): Find the right error code
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}
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ResultCode UpdateConfigNANDSavegame() {
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FileSys::Mode mode = {};
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mode.write_flag = 1;
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mode.create_flag = 1;
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FileSys::Path path("config");
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auto file = cfg_system_save_data->OpenFile(path, mode);
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ASSERT_MSG(file != nullptr, "could not open file");
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file->Write(0, CONFIG_SAVEFILE_SIZE, 1, cfg_config_file_buffer.data());
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return RESULT_SUCCESS;
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}
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ResultCode FormatConfig() {
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ResultCode res = DeleteConfigNANDSaveFile();
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if (!res.IsSuccess())
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return res;
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// Delete the old data
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cfg_config_file_buffer.fill(0);
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// Create the header
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SaveFileConfig* config = reinterpret_cast<SaveFileConfig*>(cfg_config_file_buffer.data());
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// This value is hardcoded, taken from 3dbrew, verified by hardware, it's always the same value
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config->data_entries_offset = 0x455C;
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// Insert the default blocks
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res = CreateConfigInfoBlk(0x00050005, sizeof(STEREO_CAMERA_SETTINGS), 0xE,
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reinterpret_cast<const u8*>(STEREO_CAMERA_SETTINGS.data()));
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if (!res.IsSuccess())
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return res;
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res = CreateConfigInfoBlk(0x00090001, sizeof(CONSOLE_UNIQUE_ID), 0xE,
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reinterpret_cast<const u8*>(&CONSOLE_UNIQUE_ID));
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if (!res.IsSuccess())
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return res;
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res = CreateConfigInfoBlk(0x000F0004, sizeof(CONSOLE_MODEL), 0x8,
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reinterpret_cast<const u8*>(&CONSOLE_MODEL));
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if (!res.IsSuccess())
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return res;
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res = CreateConfigInfoBlk(0x000A0002, sizeof(CONSOLE_LANGUAGE), 0xA, &CONSOLE_LANGUAGE);
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if (!res.IsSuccess())
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return res;
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res = CreateConfigInfoBlk(0x00070001, sizeof(SOUND_OUTPUT_MODE), 0xE, &SOUND_OUTPUT_MODE);
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if (!res.IsSuccess())
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return res;
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res = CreateConfigInfoBlk(0x000B0000, sizeof(COUNTRY_INFO), 0xE,
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reinterpret_cast<const u8*>(&COUNTRY_INFO));
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if (!res.IsSuccess())
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return res;
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res = CreateConfigInfoBlk(0x000A0000, sizeof(CONSOLE_USERNAME_BLOCK), 0xE,
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reinterpret_cast<const u8*>(&CONSOLE_USERNAME_BLOCK));
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if (!res.IsSuccess())
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return res;
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// Save the buffer to the file
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res = UpdateConfigNANDSavegame();
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if (!res.IsSuccess())
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return res;
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return RESULT_SUCCESS;
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}
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void CFGInit() {
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// TODO(Subv): In the future we should use the FS service to query this archive,
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// currently it is not possible because you can only have one open archive of the same type at any time
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std::string nand_directory = FileUtil::GetUserPath(D_NAND_IDX);
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cfg_system_save_data = Common::make_unique<FileSys::Archive_SystemSaveData>(
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nand_directory, CFG_SAVE_ID);
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if (!cfg_system_save_data->Initialize()) {
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LOG_CRITICAL(Service_CFG, "Could not initialize SystemSaveData archive for the CFG:U service");
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return;
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}
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// TODO(Subv): All this code should be moved to cfg:i,
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// it's only here because we do not currently emulate the lower level code that uses that service
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// Try to open the file in read-only mode to check its existence
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FileSys::Mode mode = {};
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mode.read_flag = 1;
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FileSys::Path path("config");
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auto file = cfg_system_save_data->OpenFile(path, mode);
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// Load the config if it already exists
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if (file != nullptr) {
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file->Read(0, CONFIG_SAVEFILE_SIZE, cfg_config_file_buffer.data());
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return;
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}
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// Initialize the Username block
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// TODO(Subv): Initialize this directly in the variable when MSVC supports char16_t string literals
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CONSOLE_USERNAME_BLOCK.ng_word = 0;
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CONSOLE_USERNAME_BLOCK.zero = 0;
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// Copy string to buffer and pad with zeros at the end
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auto size = Common::UTF8ToUTF16(CONSOLE_USERNAME).copy(CONSOLE_USERNAME_BLOCK.username, 0x14);
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std::fill(std::begin(CONSOLE_USERNAME_BLOCK.username) + size,
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std::end(CONSOLE_USERNAME_BLOCK.username), 0);
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FormatConfig();
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}
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void CFGShutdown() {
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}
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} // namespace CFG
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} // namespace Service
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