pdf2swf/ttf2pt1/byteorder.h

   1 /*
   2  * see COPYRIGHT
   3  */
   4
   5 /*      This defines the macroes ntohs and ntohl, which convert short and long
   6         ints from network order (used on 68000 chips, and in TrueType font
   7         files) to whatever order your computer uses. #define _BIG_ENDIAN or not
   8         to control which set of definitions apply. If you don't know, try both. If
   9         you have a peculiar machine you're on your own.
  10 */
  11
  12 #if defined(_BIG_ENDIAN)
  13 #define ntohl(x)        (x)
  14 #define ntohs(x)        (x)
  15 #else
  16 #define ntohs(x) \
  17     ((USHORT)((((USHORT)(x) & 0x00ff) << 8) | \
  18               (((USHORT)(x) & 0xff00) >> 8)))
  19 #define ntohl(x) \
  20     ((ULONG)((((ULONG)(x) & 0x000000ffU) << 24) | \
  21              (((ULONG)(x) & 0x0000ff00U) <<  8) | \
  22              (((ULONG)(x) & 0x00ff0000U) >>  8) | \
  23              (((ULONG)(x) & 0xff000000U) >> 24)))
  24 #endif