Types and Definitions SilcBool TRUE FALSE SilcUInt8 SilcInt8 SilcUInt16 SilcInt16 SilcUInt32 SilcInt32 SilcUInt64 SilcInt64 SilcFloat32 SilcFloat64 SilcSocket SilcParam SilcCompareValue SilcCompare SILC_MAX SILC_MIN SILC_GET16_MSB SILC_GET32_MSB SILC_GET64_MSB SILC_GET16_LSB SILC_GET32_LSB SILC_PUT16_MSB SILC_PUT32_MSB SILC_PUT64_MSB SILC_PUT16_LSB SILC_PUT32_LSB SILC_SWAB_16 SILC_SWAB_32 SILC_PTR_TO_32 SILC_PTR_TO_64 SILC_32_TO_PTR SILC_64_TO_PTR SILC_ASSERT SILC_VERIFY silc_rol silc_rolc silc_ror silc_rorc silc_rol64 silc_rolc64 silc_ror64 silc_rorc64 silc_offsetof silc_attribute silc_likely silc_unlikely silc_prefetch silc_prefetch_block

SILC_SWAB_16

NAME

    #define SILC_SWAB_16(integer)

DESCRIPTION

Swabs 16-bit unsigned integer byte order. Returns the new value.

SOURCE

#if (defined(SILC_I386) || defined(SILC_X86_64)) && defined(__GNUC__)
#define SILC_SWAB_16(l)                         \
({                                              \
  SilcUInt16 _result_;                          \
  asm volatile ("movw %w1, %w0; rolw $8, %w0"   \
                : "=q" (_result_) : "q" (l));   \
  _result_;                                     \
})
#else
#define SILC_SWAB_16(l)                                         \
  ((SilcUInt16)(((SilcUInt16)(l) & (SilcUInt16)0x00FFU) << 8) | \
               (((SilcUInt16)(l) & (SilcUInt16)0xFF00U) >> 8))
#endif /* (SILC_I386 || SILC_X86_64) && __GNUC__ */