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Atmosphere/libraries/libstratosphere/source/updater/updater_paths.cpp
SciresM 3a1ccdd919
Switch atmosphere's build target to C++20. (#952)
* ams: update to build with gcc10/c++20

* remove mno-outline-atomics

* ams: take care of most TODO C++20s

* fusee/sept: update for gcc10

* whoosh, your code now uses pre-compiled headers

* make: dependency fixes
2020-05-11 15:02:10 -07:00

110 lines
3.9 KiB
C++

/*
* Copyright (c) 2018-2020 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 <stratosphere.hpp>
#include "updater_paths.hpp"
namespace ams::updater {
namespace {
/* Actual paths. */
constexpr const char *BootImagePackageMountName = "bip";
constexpr const char *BctPathNx = "bip:/nx/bct";
constexpr const char *Package1PathNx = "bip:/nx/package1";
constexpr const char *Package2PathNx = "bip:/nx/package2";
constexpr const char *BctPathA = "bip:/a/bct";
constexpr const char *Package1PathA = "bip:/a/package1";
constexpr const char *Package2PathA = "bip:/a/package2";
const char *ChooseCandidatePath(const char * const *candidates, size_t num_candidates) {
AMS_ABORT_UNLESS(num_candidates > 0);
for (size_t i = 0; i < num_candidates; i++) {
fs::DirectoryEntryType type;
if (R_FAILED(fs::GetEntryType(std::addressof(type), candidates[i]))) {
continue;
}
if (type != fs::DirectoryEntryType_File) {
continue;
}
return candidates[i];
}
/* Nintendo just uses the last candidate if they all fail...should we abort? */
return candidates[num_candidates - 1];
}
}
const char *GetMountName() {
return BootImagePackageMountName;
}
const char *GetBctPath(BootImageUpdateType boot_image_update_type) {
switch (boot_image_update_type) {
case BootImageUpdateType::Erista:
{
constexpr const char *candidates[] = {BctPathNx};
return ChooseCandidatePath(candidates, util::size(candidates));
}
case BootImageUpdateType::Mariko:
{
constexpr const char *candidates[] = {BctPathA, BctPathNx};
return ChooseCandidatePath(candidates, util::size(candidates));
}
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
const char *GetPackage1Path(BootImageUpdateType boot_image_update_type) {
switch (boot_image_update_type) {
case BootImageUpdateType::Erista:
{
constexpr const char *candidates[] = {Package1PathNx};
return ChooseCandidatePath(candidates, util::size(candidates));
}
case BootImageUpdateType::Mariko:
{
constexpr const char *candidates[] = {Package1PathA, Package1PathNx};
return ChooseCandidatePath(candidates, util::size(candidates));
}
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
const char *GetPackage2Path(BootImageUpdateType boot_image_update_type) {
switch (boot_image_update_type) {
case BootImageUpdateType::Erista:
{
constexpr const char *candidates[] = {Package2PathNx};
return ChooseCandidatePath(candidates, util::size(candidates));
}
case BootImageUpdateType::Mariko:
{
constexpr const char *candidates[] = {Package2PathA, Package2PathNx};
return ChooseCandidatePath(candidates, util::size(candidates));
}
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
}