Atmosphere/stratosphere/libstratosphere/source/cfg/cfg_flags.cpp

74 lines
2.3 KiB
C++

/*
* Copyright (c) 2018-2019 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 <switch.h>
#include <stratosphere.hpp>
#include <stratosphere/cfg.hpp>
namespace sts::cfg {
namespace {
/* Helper. */
bool HasFlagFile(const char *flag_path) {
/* All flags are not present until the SD card is. */
if (!IsSdCardInitialized()) {
return false;
}
/* Mount the SD card. */
FsFileSystem sd_fs = {};
if (R_FAILED(fsMountSdcard(&sd_fs))) {
return false;
}
ON_SCOPE_EXIT { serviceClose(&sd_fs.s); };
/* Open the file. */
FsFile flag_file;
if (R_FAILED(fsFsOpenFile(&sd_fs, flag_path, FsOpenMode_Read, &flag_file))) {
return false;
}
fsFileClose(&flag_file);
return true;
}
}
/* Flag utilities. */
bool HasFlag(ncm::TitleId title_id, const char *flag) {
return HasTitleSpecificFlag(title_id, flag) || (IsHblTitleId(title_id) && HasHblFlag(flag));
}
bool HasTitleSpecificFlag(ncm::TitleId title_id, const char *flag) {
char title_flag[FS_MAX_PATH];
std::snprintf(title_flag, sizeof(title_flag) - 1, "/atmosphere/titles/%016lx/flags/%s.flag", static_cast<u64>(title_id), flag);
return HasFlagFile(title_flag);
}
bool HasGlobalFlag(const char *flag) {
char title_flag[FS_MAX_PATH];
std::snprintf(title_flag, sizeof(title_flag) - 1, "/atmosphere/flags/%s.flag", flag);
return HasFlagFile(title_flag);
}
bool HasHblFlag(const char *flag) {
char hbl_flag[0x100];
std::snprintf(hbl_flag, sizeof(hbl_flag) - 1, "hbl_%s", flag);
return HasGlobalFlag(hbl_flag);
}
}