/* libFLAC - Free Lossless Audio Codec library * Copyright (C) 2012-2016  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_BSWAP16static 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))#define	ENDSWAP_64(x)		(__builtin_bswap64 (x)) #elif defined _MSC_VER		/* Windows */ #include <stdlib.h> #define	ENDSWAP_16(x)		(_byteswap_ushort (x))#define	ENDSWAP_32(x)		(_byteswap_ulong (x))#define	ENDSWAP_64(x)		(_byteswap_uint64 (x)) #elif defined HAVE_BYTESWAP_H		/* Linux */ #include <byteswap.h> #define	ENDSWAP_16(x)		(bswap_16 (x))#define	ENDSWAP_32(x)		(bswap_32 (x))#define	ENDSWAP_64(x)		(bswap_64 (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))#define	ENDSWAP_64(x)		((ENDSWAP_32(((x) >> 32) & 0xFFFFFFFF)) | (ENDSWAP_32((x) & 0xFFFFFFFF) << 32)) #endif  /* Host to little-endian byte swapping (for MD5 calculation) */#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