1/*---------------------------------------------------------------------------*
2 *  pendian.h  *
3 *                                                                           *
4 *  Copyright 2007, 2008 Nuance Communciations, Inc.                               *
5 *                                                                           *
6 *  Licensed under the Apache License, Version 2.0 (the 'License');          *
7 *  you may not use this file except in compliance with the License.         *
8 *                                                                           *
9 *  You may obtain a copy of the License at                                  *
10 *      http://www.apache.org/licenses/LICENSE-2.0                           *
11 *                                                                           *
12 *  Unless required by applicable law or agreed to in writing, software      *
13 *  distributed under the License is distributed on an 'AS IS' BASIS,        *
14 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
15 *  See the License for the specific language governing permissions and      *
16 *  limitations under the License.                                           *
17 *                                                                           *
18 *---------------------------------------------------------------------------*/
19
20#ifndef PENDIAN_H
21#define PENDIAN_H
22
23
24
25#include "PortPrefix.h"
26#include "ptypes.h"
27
28#ifdef __sgi
29/*	*/#include <sys/endian.h>
30
31#elif defined(__sparc)
32/*	*/#include <sys/isa_defs.h>
33/*	*/#ifdef __LITTLE_ENDIAN
34/*	*//*	*/#define __LITTLE_ENDIAN 1234
35/*	*//*	*/#define __BYTE_ORDER __LITTLE_ENDIAN
36/*	*/#elif defined(_BIG_ENDIAN)
37/*	*//*	*/#define __BIG_ENDIAN 4321
38/*	*//*	*/#define __BYTE_ORDER __BIG_ENDIAN
39/*	*/#endif
40
41#elif defined(ANDROID)
42
43/*  */#ifdef HAVE_ENDIAN
44/*  */#include <endian.h>
45
46/*  */#elif defined(HAVE_LITTLE_ENDIAN)
47/*  *//*   */#define __LITTLE_ENDIAN 1234
48/*  *//*   */#define __BYTE_ORDER __LITTLE_ENDIAN
49
50/*  */#elif defined(HAVE_BIG_ENDIAN)
51/*  *//*   */#define __BIG_ENDIAN 4321
52/*  *//*   */#define __BYTE_ORDER __BIG_ENDIAN
53
54/*  */#endif
55
56#elif defined (__linux)
57/*	    */#include <endian.h>
58
59#elif defined(__FreeBSD__) || defined(_decunix_)
60/*	*/#include <machine/endian.h>
61
62#elif defined(__i386) || defined(_M_IX86)
63/*	*/#undef  __LITTLE_ENDIAN
64/*	*/#define __LITTLE_ENDIAN 1234
65/*	*/#define __BYTE_ORDER __LITTLE_ENDIAN
66
67#elif defined(_sh4_)||defined(SH4)
68/*	*/#if defined (__vxworks)
69/*	*//*	*/#if _BYTE_ORDER == _LITTLE_ENDIAN   /* VxWorks defines _BYTE_ORDER and _LITTLE_ENDIAN */
70/*	*//*	*//*	*/#undef __LITTLE_ENDIAN
71/*	*//*	*//*	*/#define __LITTLE_ENDIAN  1234
72/*	*//*	*//*	*/#define __BYTE_ORDER  __LITTLE_ENDIAN
73/*	*//*	*/#elif _BYTE_ORDER == _BIG_ENDIAN    /* VxWorks defines _BYTE_ORDER and _BIG_ENDIAN */
74/*	*//*	*//*	*/#undef __BIG_ENDIAN
75/*	*//*	*//*	*/#define __BIG_ENDIAN  4321
76/*	*//*	*//*	*/#define __BYTE_ORDER  __BIG_ENDIAN
77/*	*//*	*/#else
78/*	*//*	*//*	*/#error
79/*	*//*	*/#endif
80/*	*/#else
81/*	*//*	*/#error "Could not determine endianness of the machine Unknown OS for SH4 Chip."
82/*	*/#endif
83
84#else
85/*	*/#error "Could not determine endianness of the machine Chip Not Known."
86#endif
87
88
89/**
90 * @addtogroup ESR_PortableModule ESR_Portable API functions
91 *
92 * @{
93 */
94
95/**
96 * Swaps bytes of each item in buffer.
97 *
98 * @param buffer Buffer containing items to swap.
99 * @param count Number of items to swap.
100 * @param itemSize Size of each items.
101 */
102PORTABLE_API void swap_byte_order(void *buffer,
103                                  size_t count,
104                                  size_t itemSize);
105
106/**
107 * @}
108 */
109
110#endif
111