diff options
Diffstat (limited to 'sys/gnu/fs/xfs/xfs_bit.h')
-rw-r--r-- | sys/gnu/fs/xfs/xfs_bit.h | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/sys/gnu/fs/xfs/xfs_bit.h b/sys/gnu/fs/xfs/xfs_bit.h deleted file mode 100644 index 0bbe568..0000000 --- a/sys/gnu/fs/xfs/xfs_bit.h +++ /dev/null @@ -1,67 +0,0 @@ -/* - * Copyright (c) 2000,2002,2005 Silicon Graphics, Inc. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_BIT_H__ -#define __XFS_BIT_H__ - -/* - * XFS bit manipulation routines. - */ - -/* - * masks with n high/low bits set, 32-bit values & 64-bit values - */ -#define XFS_MASK32HI(n) xfs_mask32hi(n) -static inline __uint32_t xfs_mask32hi(int n) -{ - return (__uint32_t)-1 << (32 - (n)); -} -#define XFS_MASK64HI(n) xfs_mask64hi(n) -static inline __uint64_t xfs_mask64hi(int n) -{ - return (__uint64_t)-1 << (64 - (n)); -} -#define XFS_MASK32LO(n) xfs_mask32lo(n) -static inline __uint32_t xfs_mask32lo(int n) -{ - return ((__uint32_t)1 << (n)) - 1; -} -#define XFS_MASK64LO(n) xfs_mask64lo(n) -static inline __uint64_t xfs_mask64lo(int n) -{ - return ((__uint64_t)1 << (n)) - 1; -} - -/* Get high bit set out of 32-bit argument, -1 if none set */ -extern int xfs_highbit32(__uint32_t v); - -/* Get low bit set out of 64-bit argument, -1 if none set */ -extern int xfs_lowbit64(__uint64_t v); - -/* Get high bit set out of 64-bit argument, -1 if none set */ -extern int xfs_highbit64(__uint64_t); - -/* Count set bits in map starting with start_bit */ -extern int xfs_count_bits(uint *map, uint size, uint start_bit); - -/* Count continuous one bits in map starting with start_bit */ -extern int xfs_contig_bits(uint *map, uint size, uint start_bit); - -/* Find next set bit in map */ -extern int xfs_next_bit(uint *map, uint size, uint start_bit); - -#endif /* __XFS_BIT_H__ */ |