rtl8188eu/include/circ_buf.h

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2019-04-22 11:31:01 +00:00
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 2007 - 2016 Realtek Corporation. All rights reserved. */
#ifndef __CIRC_BUF_H_
#define __CIRC_BUF_H_ 1
#define CIRC_CNT(head,tail,size) (((head) - (tail)) & ((size)-1))
#define CIRC_SPACE(head,tail,size) CIRC_CNT((tail),((head)+1),(size))
#endif //_CIRC_BUF_H_