Method ReadToByteBuffer

src/ByteBuffer.cpp:805–823

bool cByteBuffer::ReadToByteBuffer(cByteBuffer & a_Dst, size_t a_NumBytes)
{
	if (!a_Dst.CanWriteBytes(a_NumBytes) || !CanReadBytes(a_NumBytes))
	{
		// There's not enough source bytes or space in the dest BB
		return false;
	}
	char buf[1024];
	// > 0 without generating warnings about unsigned comparisons where size_t is unsigned
	while (a_NumBytes != 0)
	{
		size_t num = (a_NumBytes > sizeof(buf)) ? sizeof(buf) : a_NumBytes;
		VERIFY(ReadBuf(buf, num));
		VERIFY(a_Dst.Write(buf, num));
		ASSERT(a_NumBytes >= num);
		a_NumBytes -= num;
	}
	return true;
}