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 */ 102 PORTABLE_API void swap_byte_order(void *buffer, 103 size_t count, 104 size_t itemSize); 105 106 /** 107 * @} 108 */ 109 110 #endif 111
