/* libFLAC - Free Lossless Audio Codec library
* Copyright ( C ) 2012 - 2014 Xiph . org Foundation
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions
* are met :
*
* - Redistributions of source code must retain the above copyright
* notice , this list of conditions and the following disclaimer .
*
* - Redistributions in binary form must reproduce the above copyright
* notice , this list of conditions and the following disclaimer in the
* documentation and / or other materials provided with the distribution .
*
* - Neither the name of the Xiph . org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission .
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ` ` AS IS ' ' AND ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT
* LIMITED TO , THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED . IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT , INDIRECT , INCIDENTAL , SPECIAL ,
* EXEMPLARY , OR CONSEQUENTIAL DAMAGES ( INCLUDING , BUT NOT LIMITED TO ,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES ; LOSS OF USE , DATA , OR
* PROFITS ; OR BUSINESS INTERRUPTION ) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY , WHETHER IN CONTRACT , STRICT LIABILITY , OR TORT ( INCLUDING
* NEGLIGENCE OR OTHERWISE ) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE , EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE .
*/
/* It is assumed that this header will be included after "config.h". */
# if HAVE_BSWAP32 /* GCC and Clang */
/* GCC prior to 4.8 didn't provide bswap16 on x86_64 */
# if ! HAVE_BSWAP16
static inline unsigned short __builtin_bswap16 ( unsigned short a )
{
return ( a < < 8 ) | ( a > > 8 ) ;
}
# endif
# define ENDSWAP_16(x) (__builtin_bswap16 (x))
# define ENDSWAP_32(x) (__builtin_bswap32 (x))
# elif defined _MSC_VER /* Windows. Apparently in <stdlib.h>. */
# define ENDSWAP_16(x) (_byteswap_ushort (x))
# define ENDSWAP_32(x) (_byteswap_ulong (x))
# elif defined HAVE_BYTESWAP_H /* Linux */
# include <byteswap.h>
# define ENDSWAP_16(x) (bswap_16 (x))
# define ENDSWAP_32(x) (bswap_32 (x))
# else
# define ENDSWAP_16(x) ((((x) >> 8) & 0xFF) | (((x) & 0xFF) << 8))
# define ENDSWAP_32(x) ((((x) >> 24) & 0xFF) | (((x) >> 8) & 0xFF00) | (((x) & 0xFF00) << 8) | (((x) & 0xFF) << 24))
# endif
/* Host to little-endian byte swapping. */
# if CPU_IS_BIG_ENDIAN
# define H2LE_16(x) ENDSWAP_16 (x)
# define H2LE_32(x) ENDSWAP_32 (x)
# else
# define H2LE_16(x) (x)
# define H2LE_32(x) (x)
# endif
