Function CircularBuffer_New

src/util/circular_buffer.c:28–43

};

CircularBuffer CircularBuffer_New
(
	size_t item_size,  // size of item in bytes
	uint cap           // max number of items in buffer
) {
	CircularBuffer cb = rm_calloc(1, sizeof(_CircularBuffer) + item_size * cap);

	cb->read       = cb->data;   // read from beginning of data
	cb->write      = 0;          // write to beginning of data
	cb->item_cap   = cap;        // buffer capacity
	cb->item_size  = item_size;  // item size
	cb->item_count = 0;          // no items in buffer
	cb->end_marker = cb->data + (item_size * cap);

	return cb;
}

// returns number of items in buffer
uint64_t CircularBuffer_ItemCount