diff options
Diffstat (limited to 'fs/xfs/xfs_bit.h')
| -rw-r--r-- | fs/xfs/xfs_bit.h | 72 |
1 files changed, 27 insertions, 45 deletions
diff --git a/fs/xfs/xfs_bit.h b/fs/xfs/xfs_bit.h index 1e7f57ddf7a8..0bbe56817542 100644 --- a/fs/xfs/xfs_bit.h +++ b/fs/xfs/xfs_bit.h @@ -1,33 +1,19 @@ /* - * Copyright (c) 2000, 2002 Silicon Graphics, Inc. All Rights Reserved. + * 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 version 2 of the GNU General Public License as + * 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. + * 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. * - * Further, this software is distributed without any warranty that it is - * free of the rightful claim of any third person regarding infringement - * or the like. Any license provided herein, whether implied or - * otherwise, applies only to this software file. Patent licenses, if - * any, provided herein do not apply to combinations of this program with - * other software, or any other product whatsoever. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, - * Mountain View, CA 94043, or: - * - * http://www.sgi.com - * - * For further information regarding this notice, see: - * - * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ + * 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__ @@ -39,30 +25,26 @@ /* * masks with n high/low bits set, 32-bit values & 64-bit values */ -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MASK32HI) -__uint32_t xfs_mask32hi(int n); #define XFS_MASK32HI(n) xfs_mask32hi(n) -#else -#define XFS_MASK32HI(n) ((__uint32_t)-1 << (32 - (n))) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MASK64HI) -__uint64_t xfs_mask64hi(int n); +static inline __uint32_t xfs_mask32hi(int n) +{ + return (__uint32_t)-1 << (32 - (n)); +} #define XFS_MASK64HI(n) xfs_mask64hi(n) -#else -#define XFS_MASK64HI(n) ((__uint64_t)-1 << (64 - (n))) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MASK32LO) -__uint32_t xfs_mask32lo(int n); +static inline __uint64_t xfs_mask64hi(int n) +{ + return (__uint64_t)-1 << (64 - (n)); +} #define XFS_MASK32LO(n) xfs_mask32lo(n) -#else -#define XFS_MASK32LO(n) (((__uint32_t)1 << (n)) - 1) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MASK64LO) -__uint64_t xfs_mask64lo(int n); +static inline __uint32_t xfs_mask32lo(int n) +{ + return ((__uint32_t)1 << (n)) - 1; +} #define XFS_MASK64LO(n) xfs_mask64lo(n) -#else -#define XFS_MASK64LO(n) (((__uint64_t)1 << (n)) - 1) -#endif +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); |