/* byteswap.h - Byte swapping
- Copyright (C) 2005, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2005, 2007, 2009, 2010 Free Software Foundation, Inc.
Written by Oskar Liljeblad <oskar@osk.mine.nu>, 2005.
- This program is free software; you can redistribute it and/or modify
+ 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; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
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 to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef _GL_BYTESWAP_H
#define _GL_BYTESWAP_H
/* Given an unsigned 16-bit argument X, return the value corresponding to
X with reversed byte order. */
#define bswap_16(x) ((((x) & 0x00FF) << 8) | \
- (((x) & 0xFF00) >> 8))
+ (((x) & 0xFF00) >> 8))
/* Given an unsigned 32-bit argument X, return the value corresponding to
X with reversed byte order. */
#define bswap_32(x) ((((x) & 0x000000FF) << 24) | \
- (((x) & 0x0000FF00) << 8) | \
- (((x) & 0x00FF0000) >> 8) | \
- (((x) & 0xFF000000) >> 24))
+ (((x) & 0x0000FF00) << 8) | \
+ (((x) & 0x00FF0000) >> 8) | \
+ (((x) & 0xFF000000) >> 24))
/* Given an unsigned 64-bit argument X, return the value corresponding to
X with reversed byte order. */
#define bswap_64(x) ((((x) & 0x00000000000000FFULL) << 56) | \
- (((x) & 0x000000000000FF00ULL) << 40) | \
- (((x) & 0x0000000000FF0000ULL) << 24) | \
- (((x) & 0x00000000FF000000ULL) << 8) | \
- (((x) & 0x000000FF00000000ULL) >> 8) | \
- (((x) & 0x0000FF0000000000ULL) >> 24) | \
- (((x) & 0x00FF000000000000ULL) >> 40) | \
- (((x) & 0xFF00000000000000ULL) >> 56))
+ (((x) & 0x000000000000FF00ULL) << 40) | \
+ (((x) & 0x0000000000FF0000ULL) << 24) | \
+ (((x) & 0x00000000FF000000ULL) << 8) | \
+ (((x) & 0x000000FF00000000ULL) >> 8) | \
+ (((x) & 0x0000FF0000000000ULL) >> 24) | \
+ (((x) & 0x00FF000000000000ULL) >> 40) | \
+ (((x) & 0xFF00000000000000ULL) >> 56))
#endif /* _GL_BYTESWAP_H */