endianfns.h
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/***************************************************************************
begin : Tuet Apr 26 2016
copyright : (C) 2016 by Martin Preuss
email : martin@libchipcard.de
***************************************************************************
* *
* 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 GWENHYWFAR_ENDIANFNS_H
#define GWENHYWFAR_ENDIANFNS_H
#include <gwenhywfar/gwenhywfarapi.h>
#if GWENHYWFAR_SYS_IS_WINDOWS
/* assume little endian for now (is there any big endian Windows system??) */
# define GWEN_ENDIAN_LE16TOH(x) (x)
# define GWEN_ENDIAN_HTOLE16(x) (x)
# define GWEN_ENDIAN_LE32TOH(x) (x)
# define GWEN_ENDIAN_HTOLE32(x) (x)
# define GWEN_ENDIAN_LE64TOH(x) (x)
# define GWEN_ENDIAN_HTOLE64(x) (x)
#elif defined(__APPLE__)
/* inspired by https://stackoverflow.com/questions/20813028/endian-h-not-found-on-mac-osx */
#include <libkern/OSByteOrder.h>
#define GWEN_ENDIAN_HTOLE16(x) OSSwapHostToLittleInt16(x)
#define GWEN_ENDIAN_LE16TOH(x) OSSwapLittleToHostInt16(x)
#define GWEN_ENDIAN_HTOLE32(x) OSSwapHostToLittleInt32(x)
#define GWEN_ENDIAN_LE32TOH(x) OSSwapLittleToHostInt32(x)
#define GWEN_ENDIAN_HTOLE64(x) OSSwapHostToLittleInt64(x)
#define GWEN_ENDIAN_LE64TOH(x) OSSwapLittleToHostInt64(x)
#define GWEN_ENDIAN_HTOBE16(x) OSSwapHostToBigInt16(x)
#define GWEN_ENDIAN_BE16TOH(x) OSSwapBigToHostInt16(x)
#define GWEN_ENDIAN_HTOBE32(x) OSSwapHostToBigInt32(x)
#define GWEN_ENDIAN_BE32TOH(x) OSSwapBigToHostInt32(x)
#define GWEN_ENDIAN_HTOBE64(x) OSSwapHostToBigInt64(x)
#define GWEN_ENDIAN_BE64TOH(x) OSSwapBigToHostInt64(x)
#else
/* for Linux and others use definitions from endian.h */
# include <endian.h>
# define GWEN_ENDIAN_LE16TOH(x) le16toh(x)
# define GWEN_ENDIAN_HTOLE16(x) htole16(x)
# define GWEN_ENDIAN_LE32TOH(x) le32toh(x)
# define GWEN_ENDIAN_HTOLE32(x) htole32(x)
# define GWEN_ENDIAN_LE64TOH(x) le64toh(x)
# define GWEN_ENDIAN_HTOLE64(x) htole64(x)
#endif
#endif
gwenhywfarapi.h