swab.h File Reference

#include <sys/types.h>

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Macros
#define	swab16(x)
	The swab16 macro.
#define	swab32(x)
	The swab32 macro.
#define	swab64(x)
	The swab64 macro.

Macro Definition Documentation

swab16

#define swab16

(

x

)

Value:

({ \
        uint16_t __x = (x); \
                ((uint16_t)( \
                (((uint16_t)(__x) & (uint16_t)0x00ffU) << 8) | \
                (((uint16_t)(__x) & (uint16_t)0xff00U) >> 8) )); \
})

The swab16 macro.

Parameters

x

Definition at line 39 of file swab.h.

swab32

#define swab32

(

x

)

Value:

({ \
        uint32_t __x = (x); \
                ((uint32_t)( \
                (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
                (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) <<  8) | \
                (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >>  8) | \
                (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \
})

The swab32 macro.

Parameters

x

Definition at line 51 of file swab.h.

swab64

#define swab64

(

x

)

Value:

({ \
        uint64_t __x = (x); \
                ((uint64_t)( \
                (uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000000000ffULL) << 56) | \
                (uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000000000ff00ULL) << 40) | \
                (uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \
                (uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000ff000000ULL) <<  8) | \
                (uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000ff00000000ULL) >>  8) | \
                (uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \
                (uint64_t)(((uint64_t)(__x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \
                (uint64_t)(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56) )); \
})

The swab64 macro.

Parameters

x

Definition at line 65 of file swab.h.