include/util/bitrev.h

0001 /*                    The Quest Operating System
0002  *  Copyright (C) 2005-2010  Richard West, Boston University
0003  *
0004  *  This program is free software: you can redistribute it and/or modify
0005  *  it under the terms of the GNU General Public License as published by
0006  *  the Free Software Foundation, either version 3 of the License, or
0007  *  (at your option) any later version.
0008  *
0009  *  This program is distributed in the hope that it will be useful,
0010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
0011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0012  *  GNU General Public License for more details.
0013  *
0014  *  You should have received a copy of the GNU General Public License
0015  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
0016  */
0017
0018 /* Adopted from Linux */
0019
0020 #ifndef _UTIL_BITREV_H_
0021 #define _UTIL_BITREV_H_
0022
0023 extern u8 const byte_rev_table[256];
0024
0025 static inline u8 bitrev8(u8 byte)
0026 {
0027   return byte_rev_table[byte];
0028 }
0029
0030 extern u16 bitrev16(u16 in);
0031 extern u32 bitrev32(u32 in);
0032
0033 #endif
0034
0035 /*
0036  * Local Variables:
0037  * indent-tabs-mode: nil
0038  * mode: C
0039  * c-file-style: "gnu"
0040  * c-basic-offset: 2
0041  * End:
0042  */
0043
0044 /* vi: set et sw=2 sts=2: */