reserve()

void fl::basic_string::reserve

(

fl::size

newCapacity

)

Definition at line 513 of file basic_string.cpp.hpp.

                                                          {
    if (newCapacity <= mLength) return;
    if (newCapacity + 1 <= mInlineCapacity) return;
    if (hasHeapData()) {
        NotNullStringHolderPtr& heap = heapData();
        if (heap.get().use_count() <= 1) {
            if (!heap->hasCapacity(newCapacity)) {
                heap->grow(newCapacity);
                // grow updates holder length to the allocation length, but
                // reserve must retain the original string and its terminator.
                if (heap->hasCapacity(mLength)) {
                    heap->data()[mLength] = '\0';
                }
            }
            return;
        }
    }
    NotNullStringHolderPtr newData = NotNullStringHolderPtr(fl::make_shared<StringHolder>(newCapacity));
    if (!newData->hasCapacity(newCapacity)) {
        return;
    }
    fl::memcpy(newData->data(), c_str(), mLength);
    newData->data()[mLength] = '\0';
    mStorage = newData;
}

References c_str(), fl::FL_NO_EXCEPT, fl::not_null< T >::get(), hasHeapData(), heapData(), fl::adl_barrier::make_shared(), fl::memcpy(), mInlineCapacity, mLength, mStorage, and fl::shared_ptr< T >::use_count().

Referenced by fl::base64_encode(), fl::formatJsonResponse(), and resize().

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