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00030 #ifndef __ENDIAN_H__
00031 #define __ENDIAN_H__
00032
00034
00035
00036
00037
00038
00039 #include "SDL_byteorder.h"
00040 #include "SDL_endian.h"
00041
00042
00043
00044
00045
00049 #define ConvertLE16(v) SDL_SwapLE16((v))
00050
00054 #define ConvertLE32(v) SDL_SwapLE32((v))
00055
00059 #ifdef __ULTRA_SPARC__
00060
00061 extern unsigned short inline AccessLE16(unsigned char *p)
00062 {
00063 return p[0] + (p[1] << 8);
00064 }
00065
00066 #else
00067
00068 #define AccessLE16(p) SDL_SwapLE16(*((unsigned short *)(p)))
00069
00070 #endif
00071
00075 #ifdef __ULTRA_SPARC__
00076
00077 extern unsigned inline AccessLE32(unsigned char *p)
00078 {
00079 return p[0] + (p[1] << 8) + (p[2] << 16) + (p[3] << 24);
00080 }
00081
00082 #else
00083
00084 #define AccessLE32(p) SDL_SwapLE32(*((unsigned int *)(p)))
00085
00086 #endif
00087
00092 #ifdef __ULTRA_SPARC__
00093
00094 extern unsigned short inline _FetchLE16(unsigned char **pp)
00095 {
00096 unsigned char *p = *pp;
00097 unsigned short i = p[0] + (p[1] << 8);
00098 (*pp) += 2;
00099 return i;
00100 }
00101 #define FetchLE16(p) _FetchLE16(&p)
00102
00103 #else
00104
00105 #define FetchLE16(p) SDL_SwapLE16(*((unsigned short *)(p))); p += 2
00106
00107 #endif
00108
00113 #ifdef __ULTRA_SPARC__
00114
00115 extern unsigned inline _FetchLE32(unsigned char **pp)
00116 {
00117 unsigned char *p = *pp;
00118 unsigned int i = p[0] + (p[1] << 8) + (p[2] << 16) + (p[3] << 24);
00119 (*pp) += 4;
00120 return i;
00121 }
00122 #define FetchLE32(p) _FetchLE32(&p)
00123
00124 #else
00125
00126 #define FetchLE32(p) SDL_SwapLE32(*((unsigned int *)(p))); p += 4
00127
00128 #endif
00129
00130
00131 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
00132 #define STRATAGUS_LITTLE_ENDIAN
00133 #elif SDL_BYTEORDER == SDL_BIG_ENDIAN
00134 #define STRATAGUS_BIG_ENDIAN
00135 #else
00136 #error Neither SDL_BIG_ENDIAN nor SDL_LIL_ENDIAN is set
00137 #endif
00138
00139
00140 #else // }{ SDL
00141
00142
00143
00144
00145
00146
00147 #if !defined(__CYGWIN__) && !defined(__MINGW32__) && !defined(_MSC_VER)
00148 #if defined(USE_BSD)
00149 #include <sys/types.h>
00150 #else
00151 #include <endian.h>
00152 #endif // USE_BSD
00153
00154 #if defined(__BYTE_ORDER) && __BYTE_ORDER == __BIG_ENDIAN
00155 #include <byteswap.h>
00156 #endif
00157 #if defined(__APPLE__)
00158 #include <architecture/byte_order.h>
00159 #endif
00160 #endif
00161
00162
00163
00164
00165
00166 #if defined(__BYTE_ORDER) && __BYTE_ORDER == __BIG_ENDIAN
00167
00171 #define ConvertLE16(v) bswap_16((v))
00172
00176 #define ConvertLE32(v) bswap_32((v))
00177
00178 #else
00179
00180 #if defined(__APPLE__)
00181
00185 #define ConvertLE16(v) NXSwapLittleShortToHost(v)
00186
00190 #define ConvertLE32(v) NXSwapLittleIntToHost(v)
00191
00192 #else
00193
00197 #define ConvertLE16(v) (v)
00198
00202 #define ConvertLE32(v) (v)
00203
00204 #endif // defined(__APPLE__)
00205
00206 #endif // ! defined(__BYTE_ORDER) && __BYTE_ORDER == __BIG_ENDIAN
00207
00211 #define AccessLE16(p) ConvertLE16(*((unsigned short *)(p)))
00212
00216 #define AccessLE32(p) ConvertLE32(*((unsigned int *)(p)))
00217
00222 #define FetchLE16(p) ConvertLE16(*((unsigned short *)(p))++)
00223
00228 #define FetchLE32(p) ConvertLE32(*((unsigned int *)(p))++)
00229
00234 #define FetchByte(p) (*((unsigned char *)(p))++)
00235
00237
00238 #endif // !__ENDIAN_H__