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Compact Entry constructor for GlobalDataTypeRegistry::regist<>()

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This commit is contained in:
Pavel Kirienko
2014-04-10 22:51:37 +04:00
parent 01328da9eb
commit e567c16fd0
1 changed files with 19 additions and 5 deletions
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libuavcan/include/uavcan/node/global_data_type_registry.hpp
+19 -5
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@@ -142,23 +142,37 @@ GlobalDataTypeRegistry::RegistResult GlobalDataTypeRegistry::regist(DataTypeID i
return RegistResultFrozen;
}
static Entry entry;
static union EntryUnion
{
const RegistResult remove_res = remove(&entry);
uint8_t buffer[sizeof(Entry)];
long long _aligner_1;
long double _aligner_2;
} storage;
static bool constructed = false;
if (!constructed)
{
new (storage.buffer) Entry();
constructed = true;
}
Entry* const entry = reinterpret_cast<Entry*>(storage.buffer);
{
const RegistResult remove_res = remove(entry);
if (remove_res != RegistResultOk)
{
return remove_res;
}
}
entry = Entry(DataTypeKind(Type::DataTypeKind), id, Type::getDataTypeSignature(), Type::getDataTypeFullName());
new (storage.buffer) Entry(DataTypeKind(Type::DataTypeKind), id, Type::getDataTypeSignature(), Type::getDataTypeFullName());
{
const RegistResult remove_res = remove(&entry);
const RegistResult remove_res = remove(entry);
if (remove_res != RegistResultOk)
{
return remove_res;
}
}
return registImpl(&entry);
return registImpl(entry);
}
}