74         mBuffer = other.mBuffer;  in OpBuffer()
75         other.mBuffer = nullptr;  in OpBuffer()
80         mBuffer = other.mBuffer;
81         other.mBuffer = nullptr;
88     constexpr size_t capacity() const { return mBuffer ? mBuffer->capacity : 0; }  in capacity()
90     constexpr size_t size() const { return mBuffer ? mBuffer->used : 0; }  in size()
104         mBuffer->endOffset = mBuffer->used;  in push_container()
105         mBuffer->used += padded_size;  in push_container()
107         void* allocateAt = reinterpret_cast<uint8_t*>(mBuffer) + mBuffer->endOffset;  in push_container()
121             free(mBuffer);  in resize()
122             mBuffer = nullptr;  in resize()
124             if (mBuffer) {  in resize()
125                 mBuffer = reinterpret_cast<BufferHeader*>(realloc(mBuffer, adjustedSize));  in resize()
126                 mBuffer->capacity = adjustedSize;  in resize()
128                 mBuffer = new (malloc(adjustedSize)) BufferHeader();  in resize()
129                 mBuffer->capacity = adjustedSize;  in resize()
130                 mBuffer->used = STARTING_SIZE;  in resize()
131                 mBuffer->startOffset = STARTING_SIZE;  in resize()
143     ItemHeader* first() const { return isEmpty() ? nullptr : itemAt(mBuffer->startOffset); }  in first()
145     ItemHeader* last() const { return isEmpty() ? nullptr : itemAt(mBuffer->endOffset); }  in last()
220         return reinterpret_cast<uint8_t*>(mBuffer) + mBuffer->startOffset;  in start_ptr()
224         return reinterpret_cast<uint8_t*>(mBuffer) + mBuffer->used;  in end_ptr()
259         return offset >= mBuffer->startOffset && offset < mBuffer->used;  in offsetIsValid()
264         return reinterpret_cast<ItemHeader*>(reinterpret_cast<uint8_t*>(mBuffer) + offset);  in itemAt()
267     bool isEmpty() const { return mBuffer == nullptr || mBuffer->used == STARTING_SIZE; }  in isEmpty()
269     BufferHeader* mBuffer = nullptr;  variable
277     if (!mBuffer) return;  in clear()
283     mBuffer->used = STARTING_SIZE;  in clear()
284     mBuffer->startOffset = STARTING_SIZE;  in clear()
285     mBuffer->endOffset = 0;  in clear()