From 14c7f45cdae826f88dc539c8c38dd95caf305731 Mon Sep 17 00:00:00 2001 From: Maurus Cuelenaere Date: Fri, 11 Jul 2008 15:50:46 +0000 Subject: Add zook's ZenUtils to SVN git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18010 a1c6a512-1295-4272-9138-f99709370657 --- .../libraries/beecrypt-4.1.2/beecrypt/endianness.h | 128 +++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100755 utils/zenutils/libraries/beecrypt-4.1.2/beecrypt/endianness.h (limited to 'utils/zenutils/libraries/beecrypt-4.1.2/beecrypt/endianness.h') diff --git a/utils/zenutils/libraries/beecrypt-4.1.2/beecrypt/endianness.h b/utils/zenutils/libraries/beecrypt-4.1.2/beecrypt/endianness.h new file mode 100755 index 0000000000..e136aa59f9 --- /dev/null +++ b/utils/zenutils/libraries/beecrypt-4.1.2/beecrypt/endianness.h @@ -0,0 +1,128 @@ +/* + * endianness.h + * + * Endian-dependant encoding/decoding, header + * + * Copyright (c) 1998, 1999, 2000, 2001, 2004 Beeyond Software Holding + * + * Author: Bob Deblier + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef _ENDIANNESS_H +#define _ENDIANNESS_H + +#include "beecrypt/beecrypt.h" + +#if defined(__cplusplus) || HAVE_INLINE + +static inline int16_t _swap16(int16_t n) +{ + return ( ((n & 0xff) << 8) | + ((n & 0xff00) >> 8) ); +} +# define swap16(n) _swap16(n) + +static inline uint16_t _swapu16(uint16_t n) +{ + return ( ((n & 0xffU) << 8) | + ((n & 0xff00U) >> 8) ); +} +# define swapu16(n) _swap16(n) + +# ifdef __arch__swab32 +# define swap32(n) __arch__swab32(n) +# define swapu32(n) __arch__swab32(n) +# else + +static inline int32_t _swap32(int32_t n) +{ + return ( ((n & 0xff) << 24) | + ((n & 0xff00) << 8) | + ((n & 0xff0000) >> 8) | + ((n & 0xff000000) >> 24) ); +} +# define swap32(n) _swap32(n) + +static inline uint32_t _swapu32(uint32_t n) +{ + return ( ((n & 0xffU) << 24) | + ((n & 0xff00U) << 8) | + ((n & 0xff0000U) >> 8) | + ((n & 0xff000000U) >> 24) ); +} +# define swapu32(n) _swapu32(n) + +# endif + +# ifdef __arch__swab64 +# define swap64(n) __arch__swab64(n) +# define swapu64(n) __arch__swab64(n) +# else + +static inline int64_t _swap64(int64_t n) +{ + return ( ((n & ((int64_t) 0xff) ) << 56) | + ((n & ((int64_t) 0xff) << 8) << 40) | + ((n & ((int64_t) 0xff) << 16) << 24) | + ((n & ((int64_t) 0xff) << 24) << 8) | + ((n & ((int64_t) 0xff) << 32) >> 8) | + ((n & ((int64_t) 0xff) << 40) >> 24) | + ((n & ((int64_t) 0xff) << 48) >> 40) | + ((n & ((int64_t) 0xff) << 56) >> 56) ); +} +# define swap64(n) _swap64(n) + +static inline uint64_t _swapu64(uint64_t n) +{ + return ( ((n & ((uint64_t) 0xff) ) << 56) | + ((n & ((uint64_t) 0xff) << 8) << 40) | + ((n & ((uint64_t) 0xff) << 16) << 24) | + ((n & ((uint64_t) 0xff) << 24) << 8) | + ((n & ((uint64_t) 0xff) << 32) >> 8) | + ((n & ((uint64_t) 0xff) << 40) >> 24) | + ((n & ((uint64_t) 0xff) << 48) >> 40) | + ((n & ((uint64_t) 0xff) << 56) >> 56) ); +} +# define swapu64(n) _swapu64(n) + +# endif + +#else +BEECRYPTAPI + int16_t swap16 (int16_t); +BEECRYPTAPI +uint16_t swapu16(uint16_t); +BEECRYPTAPI + int32_t swap32 (int32_t); +BEECRYPTAPI +uint32_t swapu32(uint32_t); +BEECRYPTAPI + int64_t swap64 (int64_t); +BEECRYPTAPI +uint64_t swapu64(uint64_t); +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef __cplusplus +} +#endif + +#endif -- cgit v1.2.3