[thirdparty/xfsprogs-dev.git] / db / bit.h

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
 * All Rights Reserved.
 */

#define	bitize(s)	((s) * NBBY)
#define	bitsz(t)	bitize(sizeof(t))
#define	bitszof(x,y)	bitize(szof(x,y))
#define	byteize(s)	((s) / NBBY)
#define	bitoffs(s)	((s) % NBBY)
#define	byteize_up(s)	(((s) + NBBY - 1) / NBBY)

#define	BVUNSIGNED	0
#define	BVSIGNED	1

extern int64_t		getbitval(void *obj, int bitoff, int nbits, int flags);
extern void		setbitval(void *obuf, int bitoff, int nbits, void *ibuf);
extern int		getbit_l(char *ptr, int bit);
extern void		setbit_l(char *ptr, int bit, int val);
Commit	Line	Data
959ef981	1	// SPDX-License-Identifier: GPL-2.0
2bd0ea18	2	/*
da23017d NS	3	* Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
da23017d NS	4	* All Rights Reserved.
2bd0ea18 NS	5	*/
	6
	7	#define bitize(s) ((s) * NBBY)
	8	#define bitsz(t) bitize(sizeof(t))
	9	#define bitszof(x,y) bitize(szof(x,y))
	10	#define byteize(s) ((s) / NBBY)
	11	#define bitoffs(s) ((s) % NBBY)
984af2e1	12	#define byteize_up(s) (((s) + NBBY - 1) / NBBY)
2bd0ea18 NS	13
	14	#define BVUNSIGNED 0
	15	#define BVSIGNED 1
	16
14f8b681	17	extern int64_t getbitval(void *obj, int bitoff, int nbits, int flags);
984af2e1 DW	18	extern void setbitval(void obuf, int bitoff, int nbits, void ibuf);
	19	extern int getbit_l(char *ptr, int bit);
	20	extern void setbit_l(char *ptr, int bit, int val);