reserve()

template<fl::size SIZE = FASTLED_STR_INLINED_SIZE>

void fl::StrN< SIZE >::reserve ( fl::size newCapacity )

inline

Definition at line 370 of file str.h.

                                     {
        // If capacity is less than current length, do nothing
        if (newCapacity <= mLength) {
            return;
        }
 
        // If new capacity fits in inline buffer, no need to allocate
        if (newCapacity + 1 <= SIZE) {
            return;
        }
 
        // If we already have unshared heap data with sufficient capacity, do
        // nothing
        if (mHeapData && mHeapData.use_count() <= 1 &&
            mHeapData->hasCapacity(newCapacity)) {
            return;
        }
 
        // Need to allocate new storage
        StringHolderPtr newData = fl::make_shared<StringHolder>(newCapacity);
        if (newData) {
            // Copy existing content
            memcpy(newData->data(), c_str(), mLength);
            newData->data()[mLength] = '\0';
            mHeapData = newData;
        }
    }

References c_str(), fl::make_shared(), mHeapData, and mLength.

Referenced by fl::FileSystem::readText().

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