gwenhywfar 5.12.1
endianfns.h
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1/***************************************************************************
2 begin : Tuet Apr 26 2016
3 copyright : (C) 2016 by Martin Preuss
4 email : martin@libchipcard.de
5
6 ***************************************************************************
7 * *
8 * This library is free software; you can redistribute it and/or *
9 * modify it under the terms of the GNU Lesser General Public *
10 * License as published by the Free Software Foundation; either *
11 * version 2.1 of the License, or (at your option) any later version. *
12 * *
13 * This library is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
16 * Lesser General Public License for more details. *
17 * *
18 * You should have received a copy of the GNU Lesser General Public *
19 * License along with this library; if not, write to the Free Software *
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21 * MA 02111-1307 USA *
22 * *
23 ***************************************************************************/
24
25#ifndef GWENHYWFAR_ENDIANFNS_H
26#define GWENHYWFAR_ENDIANFNS_H
27
29
30
31#if GWENHYWFAR_SYS_IS_WINDOWS
32/* assume little endian for now (is there any big endian Windows system??) */
33# define GWEN_ENDIAN_LE16TOH(x) (x)
34# define GWEN_ENDIAN_HTOLE16(x) (x)
35
36# define GWEN_ENDIAN_LE32TOH(x) (x)
37# define GWEN_ENDIAN_HTOLE32(x) (x)
38
39# define GWEN_ENDIAN_LE64TOH(x) (x)
40# define GWEN_ENDIAN_HTOLE64(x) (x)
41
42#elif defined(__APPLE__)
43/* inspired by https://stackoverflow.com/questions/20813028/endian-h-not-found-on-mac-osx */
44#include <libkern/OSByteOrder.h>
45
46#define GWEN_ENDIAN_HTOLE16(x) OSSwapHostToLittleInt16(x)
47#define GWEN_ENDIAN_LE16TOH(x) OSSwapLittleToHostInt16(x)
48
49#define GWEN_ENDIAN_HTOLE32(x) OSSwapHostToLittleInt32(x)
50#define GWEN_ENDIAN_LE32TOH(x) OSSwapLittleToHostInt32(x)
51
52#define GWEN_ENDIAN_HTOLE64(x) OSSwapHostToLittleInt64(x)
53#define GWEN_ENDIAN_LE64TOH(x) OSSwapLittleToHostInt64(x)
54
55#define GWEN_ENDIAN_HTOBE16(x) OSSwapHostToBigInt16(x)
56#define GWEN_ENDIAN_BE16TOH(x) OSSwapBigToHostInt16(x)
57
58#define GWEN_ENDIAN_HTOBE32(x) OSSwapHostToBigInt32(x)
59#define GWEN_ENDIAN_BE32TOH(x) OSSwapBigToHostInt32(x)
60
61#define GWEN_ENDIAN_HTOBE64(x) OSSwapHostToBigInt64(x)
62#define GWEN_ENDIAN_BE64TOH(x) OSSwapBigToHostInt64(x)
63
64#else
65/* for Linux and others use definitions from endian.h */
66# include <endian.h>
67
68# define GWEN_ENDIAN_LE16TOH(x) le16toh(x)
69# define GWEN_ENDIAN_HTOLE16(x) htole16(x)
70
71# define GWEN_ENDIAN_LE32TOH(x) le32toh(x)
72# define GWEN_ENDIAN_HTOLE32(x) htole32(x)
73
74# define GWEN_ENDIAN_LE64TOH(x) le64toh(x)
75# define GWEN_ENDIAN_HTOLE64(x) htole64(x)
76#endif
77
78
79
80
81#endif