swab.cpp File Reference

#include <corecrt_internal.h>
#include <stdlib.h>

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Functions
void __cdecl	_swab (char *source, char *destination, int bytes)

Function Documentation

_swab()

void __cdecl _swab	(	char *	source,
		char *	destination,
		int	bytes
	)

Definition at line 14 of file swab.cpp.

{
    _VALIDATE_RETURN_VOID(source      != nullptr, EINVAL);
    _VALIDATE_RETURN_VOID(destination != nullptr, EINVAL);
    _VALIDATE_RETURN_VOID(bytes >= 0,             EINVAL);
 
    while (bytes > 1)
    {
        char const b1 = *source++;
        char const b2 = *source++;
 
        *destination++ = b2;
        *destination++ = b1;
 
        bytes -= 2;
    }
}