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patch_manager: Invert conditionals within ApplyLayeredFS()
Avoids the need to nest code quite a bit by early-exiting in error cases.
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e3b2ef9170
commit
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1 changed files with 33 additions and 30 deletions
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@ -70,15 +70,18 @@ VirtualDir PatchManager::PatchExeFS(VirtualDir exefs) const {
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static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType type) {
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const auto load_dir = Service::FileSystem::GetModificationLoadRoot(title_id);
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if (type == ContentRecordType::Program && load_dir != nullptr && load_dir->GetSize() > 0) {
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auto extracted = ExtractRomFS(romfs);
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if (type != ContentRecordType::Program || load_dir == nullptr || load_dir->GetSize() <= 0) {
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return;
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}
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auto extracted = ExtractRomFS(romfs);
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if (extracted == nullptr) {
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return;
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}
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if (extracted != nullptr) {
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auto patch_dirs = load_dir->GetSubdirectories();
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std::sort(patch_dirs.begin(), patch_dirs.end(),
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[](const VirtualDir& l, const VirtualDir& r) {
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return l->GetName() < r->GetName();
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});
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[](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
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std::vector<VirtualDir> layers;
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layers.reserve(patch_dirs.size() + 1);
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@ -87,21 +90,21 @@ static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType t
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if (romfs_dir != nullptr)
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layers.push_back(std::move(romfs_dir));
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}
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layers.push_back(std::move(extracted));
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auto layered = LayeredVfsDirectory::MakeLayeredDirectory(std::move(layers));
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if (layered != nullptr) {
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auto packed = CreateRomFS(std::move(layered));
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if (layered == nullptr) {
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return;
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}
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auto packed = CreateRomFS(std::move(layered));
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if (packed == nullptr) {
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return;
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}
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if (packed != nullptr) {
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LOG_INFO(Loader, " RomFS: LayeredFS patches applied successfully");
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romfs = std::move(packed);
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}
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}
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}
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}
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}
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VirtualFile PatchManager::PatchRomFS(VirtualFile romfs, u64 ivfc_offset,
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ContentRecordType type) const {
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