Use std::optional for @nullable (AIDL)
Previously, nullable types were mapped to std::unique_ptr for C++
backend. But std::unique_ptr typically involves unnecessary alloc/dealloc.
For example, if nullable string is represented in unique_ptr<string>, we
should do "unique_ptr<string>(new string(value))" to set a value.
To avoid breaking all hand-written parcelables, only new read/write
functions are added to Parcel class and they are used only by
aidl-generated code and their implementations.
Bug: 144773267
Test: build/flash/boot
atest --test-mapping frameworks/native/libs/binder
Merged-In: I2c801e3b69f2f8ccf44267f15cbf79e1d8fbf19e
Change-Id: I2c801e3b69f2f8ccf44267f15cbf79e1d8fbf19e
(cherry picked from commit 149be4a25ef423491c73dfc7bfd95e8177e9b4f8)
Exempt-From-Owner-Approval: CP from master
diff --git a/cmds/installd/CrateManager.cpp b/cmds/installd/CrateManager.cpp
index 6e079eb..b17cba1 100644
--- a/cmds/installd/CrateManager.cpp
+++ b/cmds/installd/CrateManager.cpp
@@ -86,7 +86,7 @@
}
void CrateManager::traverseAllPackagesForUser(
- const std::unique_ptr<std::string>& uuid, userid_t userId,
+ const std::optional<std::string>& uuid, userid_t userId,
std::function<void(FTSENT*)>& onHandlingPackage) {
const char* uuid_ = uuid ? uuid->c_str() : nullptr;
@@ -96,21 +96,21 @@
void CrateManager::createCrate(
CratedFolder cratedFolder,
- std::function<void(CratedFolder, std::unique_ptr<CrateMetadata>&)>& onCreateCrate) {
+ std::function<void(CratedFolder, CrateMetadata&&)>& onCreateCrate) {
const char* path = cratedFolder->fts_path;
if (path == nullptr || *path == '\0') {
return;
}
- std::unique_ptr<CrateMetadata> crateMetadata = std::make_unique<CrateMetadata>();
- crateMetadata->uid = cratedFolder->fts_statp->st_uid;
- crateMetadata->packageName = mPackageName;
- crateMetadata->id = getValidatedCratedPath(path);
+ CrateMetadata crateMetadata;
+ crateMetadata.uid = cratedFolder->fts_statp->st_uid;
+ crateMetadata.packageName = mPackageName;
+ crateMetadata.id = getValidatedCratedPath(path);
- onCreateCrate(cratedFolder, crateMetadata);
+ onCreateCrate(cratedFolder, std::move(crateMetadata));
}
-void CrateManager::traverseAllCrates(std::function<void(CratedFolder, std::unique_ptr<CrateMetadata>&)>& onCreateCrate) {
+void CrateManager::traverseAllCrates(std::function<void(CratedFolder, CrateMetadata&&)>& onCreateCrate) {
std::function<void(FTSENT*)> onVisitCrateDir = [&](FTSENT* cratedFolder) -> void {
createCrate(cratedFolder, onCreateCrate);
};
@@ -118,11 +118,11 @@
}
#if CRATE_DEBUG
-void CrateManager::dump(std::unique_ptr<CrateMetadata>& CrateMetadata) {
+void CrateManager::dump(const CrateMetadata& CrateMetadata) {
LOG(DEBUG) << "CrateMetadata = {"
- << "uid : \"" << CrateMetadata->uid
- << "\", packageName : \"" << CrateMetadata->packageName
- << "\", id : \"" << CrateMetadata->id
+ << "uid : \"" << CrateMetadata.uid
+ << "\", packageName : \"" << CrateMetadata.packageName
+ << "\", id : \"" << CrateMetadata.id
<< "\"}";
}
#endif