Method ensureCapacity

Sming/Core/Data/Stream/MemoryDataStream.cpp:22–47

}

bool MemoryDataStream::ensureCapacity(size_t minCapacity)
{
	if(capacity < minCapacity) {
		if(minCapacity > maxCapacity) {
			debug_e("MemoryDataStream too large, requested %u limit is %u", minCapacity, maxCapacity);
			return false;
		}
		size_t newCapacity = minCapacity;
		if(capacity != 0) {
			// If expanding stream, increase buffer capacity in anticipation of further writes
			newCapacity += (minCapacity < 256) ? 128 : 64;
		}
		debug_d("MemoryDataStream::realloc %u -> %u", capacity, newCapacity);
		// realloc can fail, store the result in temporary pointer
		auto newBuffer = (char*)realloc(buffer, newCapacity);
		if(newBuffer == nullptr) {
			debug_e("MemoryDataStream realloc(%u) failed", newCapacity);
			return false;
		}

		buffer = newBuffer;
		capacity = newCapacity;
	}

	return true;
}

size_t MemoryDataStream::write(const uint8_t* data, size_t len)
{