write() [2/8]

template<size_t SIZE = 64>

size_t fl::StrN< SIZE >::write ( const char * str, size_t n )

inline

Definition at line 179 of file str.h.

                                            {
        size_t newLen = mLength + n;
        if (mHeapData && !mHeapData->isShared()) {
            if (!mHeapData->hasCapacity(newLen)) {
                size_t grow_length = MAX(3, newLen * 3 / 2);
                mHeapData->grow(grow_length); // Grow by 50%
            }
            memcpy(mHeapData->data() + mLength, str, n);
            mLength = newLen;
            mHeapData->data()[mLength] = '\0';
            return mLength;
        }
        if (newLen + 1 <= SIZE) {
            memcpy(mInlineData + mLength, str, n);
            mLength = newLen;
            mInlineData[mLength] = '\0';
            return mLength;
        }
        mHeapData.reset();
        StringHolderPtr newData = StringHolderPtr::New(newLen);
        if (newData) {
            memcpy(newData->data(), c_str(), mLength);
            memcpy(newData->data() + mLength, str, n);
            newData->data()[newLen] = '\0';
            mHeapData = newData;
            mLength = newLen;
        }
        mHeapData = newData;
        return mLength;
    }

References c_str(), MAX, mHeapData, mInlineData, and mLength.

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