etc/Windows/vlmcsd_old_vancepym/endian.h

   1 #ifndef __endian_h
   2 #define __endian_h
   3
   4 #ifndef CONFIG
   5 #define CONFIG "config.h"
   6 #endif // CONFIG
   7 #include CONFIG
   8
   9 //
  10 // Unaligned access
  11 //
  12 #define UAA16(p, i) (((PACKED16*)p)->val[i])
  13 #define UAA32(p, i) (((PACKED32*)p)->val[i])
  14 #define UAA64(p, i) (((PACKED64*)p)->val[i])
  15
  16 #define UA64(p)  UAA64(p, 0)
  17 #define UA32(p)  UAA32(p, 0)
  18 #define UA16(p)  UAA16(p, 0)
  19
  20 //
  21 //Byteswap: Use compiler support if available
  22 //
  23 #ifdef __has_builtin // Clang supports this
  24
  25 #if __has_builtin(__builtin_bswap16)
  26 #define BS16(x) __builtin_bswap16(x)
  27 #endif
  28
  29 #if __has_builtin(__builtin_bswap32)
  30 #define BS32(x) __builtin_bswap32(x)
  31 #endif
  32
  33 #if __has_builtin(__builtin_bswap64)
  34 #define BS64(x) __builtin_bswap64(x)
  35 #endif
  36
  37 #endif // has_builtin
  38
  39 #ifdef __GNUC__ // GNU C >= 4.3 has bswap32 and bswap64. GNU C >= 4.8 also has bswap16
  40 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ > 2)
  41
  42 #ifndef BS32
  43 #define BS32(x) __builtin_bswap32(x)
  44 #endif
  45
  46 #ifndef BS64
  47 #define BS64(x) __builtin_bswap64(x)
  48 #endif
  49
  50 #if (__GNUC__ > 4) || (__GNUC_MINOR__ > 7)
  51
  52 #ifndef BS16
  53 #define BS16(x) __builtin_bswap16(x)
  54 #endif
  55
  56 #endif // GNU C > 4.7
  57 #endif // __GNUC__ > 4
  58 #endif // __GNUC__
  59
  60 //
  61 // Byteorder
  62 //
  63 #if defined(__linux__) || defined(__GLIBC__) || defined(__CYGWIN__)
  64
  65 #include <endian.h>
  66 #include <byteswap.h>
  67
  68 #ifndef BS16
  69 #define BS16(x) bswap_16(x)
  70 #endif
  71
  72 #ifndef BS32
  73 #define BS32(x) bswap_32(x)
  74 #endif
  75
  76 #ifndef BS64
  77 #define BS64(x) bswap_64(x)
  78 #endif
  79
  80 #elif defined(__sun__)
  81
  82 #include <sys/byteorder.h>
  83
  84 #ifndef BS16
  85 #define BS16(x) BSWAP_16(x)
  86 #endif
  87
  88 #ifndef BS32
  89 #define BS32(x) BSWAP_32(x)
  90 #endif
  91
  92 #ifndef BS64
  93 #define BS64(x) BSWAP_64(x)
  94 #endif
  95
  96 #define __LITTLE_ENDIAN 1234
  97 #define __BIG_ENDIAN 4321
  98
  99 #ifdef _LITTLE_ENDIAN
 100 #define __BYTE_ORDER __LITTLE_ENDIAN
 101 #else
 102 #define __BYTE_ORDER __BIG_ENDIAN
 103 #endif
 104
 105 #elif __minix__ || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
 106
 107 #include <sys/types.h>
 108 #include <sys/endian.h>
 109
 110 #define __BYTE_ORDER     _BYTE_ORDER
 111 #define __LITTLE_ENDIAN  _LITTLE_ENDIAN
 112 #define __BIG_ENDIAN     _BIG_ENDIAN
 113
 114 #ifdef __OpenBSD__
 115
 116 #ifndef BS16
 117 #define BS16  swap16
 118 #endif
 119
 120 #ifndef BS32
 121 #define BS32  swap32
 122 #endif
 123
 124 #ifndef BS64
 125 #define BS64  swap64
 126 #endif
 127
 128 #else // !__OpenBSD__
 129
 130 #ifndef BS16
 131 #define BS16  bswap16
 132 #endif
 133
 134 #ifndef BS32
 135 #define BS32  bswap32
 136 #endif
 137
 138 #ifndef BS64
 139 #define BS64  bswap64
 140 #endif
 141
 142 #endif // !__OpenBSD__
 143
 144 #elif defined(__APPLE__)
 145
 146 #include <sys/types.h>
 147 #include <machine/endian.h>
 148 #include <libkern/OSByteOrder.h>
 149
 150 #define __BYTE_ORDER     _BYTE_ORDER
 151 #define __LITTLE_ENDIAN  _LITTLE_ENDIAN
 152 #define __BIG_ENDIAN     _BIG_ENDIAN
 153
 154 #ifndef BS16
 155 #define BS16 OSSwapInt16
 156 #endif
 157
 158 #ifndef BS32
 159 #define BS32 OSSwapInt32
 160 #endif
 161
 162 #ifndef BS64
 163 #define BS64 OSSwapInt64
 164 #endif
 165
 166 #elif defined(_WIN32)
 167
 168 #define __LITTLE_ENDIAN 1234
 169 #define __BIG_ENDIAN 4321
 170 #define __BYTE_ORDER __LITTLE_ENDIAN
 171
 172 #include <stdlib.h>
 173
 174 #ifndef BS16
 175 #define BS16 _byteswap_ushort
 176 #endif
 177
 178 #ifndef BS32
 179 #define BS32 _byteswap_ulong
 180 #endif
 181
 182 #ifndef BS64
 183 #define BS64 _byteswap_uint64
 184 #endif
 185
 186 #endif // Byteorder in different OS
 187
 188
 189 #if defined(__BYTE_ORDER) && defined(__BIG_ENDIAN) && defined(__LITTLE_ENDIAN)  \
 190         && defined(BS16) && defined(BS32) && defined(BS64)
 191
 192 #if __BYTE_ORDER == __LITTLE_ENDIAN
 193
 194 #define __BE16(x)  BS16(x)
 195 #define __LE16(x)  (x)
 196 #define __BE32(x)  BS32(x)
 197 #define __LE32(x)  (x)
 198 #define __BE64(x)  BS64(x)
 199 #define __LE64(x)  (x)
 200
 201 #else // __BYTE_ORDER == __BIG_ENDIAN
 202
 203 #define __BE16(x)  (x)
 204 #define __LE16(x)  BS16(x)
 205 #define __BE32(x)  (x)
 206 #define __LE32(x)  BS32(x)
 207 #define __BE64(x)  (x)
 208 #define __LE64(x)  BS64(x)
 209
 210 #endif // __BYTE_ORDER
 211
 212 #define PUT_UAA64BE(p, v, i)  ( UAA64(p, i) = __BE64(v) )
 213 #define PUT_UAA32BE(p, v, i)  ( UAA32(p, i) = __BE32(v) )
 214 #define PUT_UAA16BE(p, v, i)  ( UAA16(p, i) = __BE16(v) )
 215
 216 #define PUT_UAA64LE(p, v, i)  ( UAA64(p, i) = __LE64(v) )
 217 #define PUT_UAA32LE(p, v, i)  ( UAA32(p, i) = __LE32(v) )
 218 #define PUT_UAA16LE(p, v, i)  ( UAA16(p, i) = __LE16(v) )
 219
 220 #define GET_UAA64BE(p, i)  __BE64(UAA64(p, i))
 221 #define GET_UAA32BE(p, i)  __BE32(UAA32(p, i))
 222 #define GET_UAA16BE(p, i)  __BE16(UAA16(p, i))
 223
 224 #define GET_UAA64LE(p, i)  __LE64(UAA64(p, i))
 225 #define GET_UAA32LE(p, i)  __LE32(UAA32(p, i))
 226 #define GET_UAA16LE(p, i)  __LE16(UAA16(p, i))
 227
 228 #define BE16(x)  __BE16(x)
 229 #define LE16(x)  __LE16(x)
 230 #define BE32(x)  __BE32(x)
 231 #define LE32(x)  __LE32(x)
 232 #define BE64(x)  __BE64(x)
 233 #define LE64(x)  __LE64(x)
 234
 235 #else // ! defined(__BYTE_ORDER)
 236
 237 extern void PUT_UAA64BE(void *p, unsigned long long v, unsigned int i);
 238
 239 extern void PUT_UAA32BE(void *p, unsigned int v, unsigned int i);
 240
 241 extern void PUT_UAA16BE(void *p, unsigned short v, unsigned int i);
 242
 243
 244 extern void PUT_UAA64LE(void *p, unsigned long long v, unsigned int i);
 245
 246 extern void PUT_UAA32LE(void *p, unsigned int v, unsigned int i);
 247
 248 extern void PUT_UAA16LE(void *p, unsigned short v, unsigned int i);
 249
 250
 251 extern unsigned long long GET_UAA64BE(void *p, unsigned int i);
 252
 253 extern unsigned int GET_UAA32BE(void *p, unsigned int i);
 254
 255 extern unsigned short GET_UAA16BE(void *p, unsigned int i);
 256
 257
 258 extern unsigned long long GET_UAA64LE(void *p, unsigned int i);
 259
 260 extern unsigned int GET_UAA32LE(void *p, unsigned int i);
 261
 262 extern unsigned short GET_UAA16LE(void *p, unsigned int i);
 263
 264
 265 extern unsigned short BE16(unsigned short x);
 266
 267 extern unsigned short LE16(unsigned short x);
 268
 269 extern unsigned int BE32(unsigned int x);
 270
 271 extern unsigned int LE32(unsigned int x);
 272
 273 extern unsigned long long BE64(unsigned long long x);
 274
 275 extern unsigned long long LE64(unsigned long long x);
 276
 277 #endif // defined(__BYTE_ORDER)
 278
 279
 280 #define PUT_UA64BE(p, v)  PUT_UAA64BE(p, v, 0)
 281 #define PUT_UA32BE(p, v)  PUT_UAA32BE(p, v, 0)
 282 #define PUT_UA16BE(p, v)  PUT_UAA16BE(p, v, 0)
 283
 284 #define PUT_UA64LE(p, v)  PUT_UAA64LE(p, v, 0)
 285 #define PUT_UA32LE(p, v)  PUT_UAA32LE(p, v, 0)
 286 #define PUT_UA16LE(p, v)  PUT_UAA16LE(p, v, 0)
 287
 288 #define GET_UA64BE(p)  GET_UAA64BE(p, 0)
 289 #define GET_UA32BE(p)  GET_UAA32BE(p, 0)
 290 #define GET_UA16BE(p)  GET_UAA16BE(p, 0)
 291
 292 #define GET_UA64LE(p)  GET_UAA64LE(p, 0)
 293 #define GET_UA32LE(p)  GET_UAA32LE(p, 0)
 294 #define GET_UA16LE(p)  GET_UAA16LE(p, 0)
 295
 296 #endif // __endian_h