rot.c File Reference

#include <stdlib.h>

Include dependency graph for rot.c:

Go to the source code of this file.

Macros
#define	ASM_ALIAS(x)

Functions
unsigned int	_rotr (unsigned int value, int shift) ASM_ALIAS("__rotr")
unsigned long	_lrotr (unsigned long value, int shift) ASM_ALIAS("__lrotr")
unsigned int	_rotl (unsigned int value, int shift) ASM_ALIAS("__rotl")
unsigned long	_lrotl (unsigned long value, int shift) ASM_ALIAS("__lrotl")

Macro Definition Documentation

ASM_ALIAS

#define ASM_ALIAS

(

x

)

Definition at line 25 of file rot.c.

Function Documentation

_lrotl()

unsigned long _lrotl	(	unsigned long	value,
		int	shift
	)

Definition at line 64 of file rot.c.

{
    int max_bits = sizeof(unsigned long)<<3;
    if ( shift < 0 )
        return _lrotr(value,-shift);

    if ( shift > max_bits )
        shift = shift % max_bits;
    return (value << shift) | (value >> (max_bits-shift));
}

Referenced by _lrotr().

_lrotr()

unsigned long _lrotr	(	unsigned long	value,
		int	shift
	)

Definition at line 78 of file rot.c.

{
    int max_bits = sizeof(unsigned long)<<3;
    if ( shift < 0 )
        return _lrotl(value,-shift);

    if ( shift > max_bits )
        shift = shift % max_bits;
    return (value >> shift) | (value << (max_bits-shift));
}

Referenced by _lrotl().

_rotl()

unsigned int _rotl	(	unsigned int	value,
		int	shift
	)

Definition at line 36 of file rot.c.

{
    int max_bits = sizeof(unsigned int)<<3;
    if ( shift < 0 )
        return _rotr(value,-shift);

    if ( shift > max_bits )
        shift = shift % max_bits;
    return (value << shift) | (value >> (max_bits-shift));
}

Referenced by _rotr().

_rotr()

unsigned int _rotr	(	unsigned int	value,
		int	shift
	)

Definition at line 50 of file rot.c.

{
    int max_bits = sizeof(unsigned int)<<3;
    if ( shift < 0 )
        return _rotl(value,-shift);

    if ( shift > max_bits )
        shift = shift % max_bits;
    return (value >> shift) | (value <<  (max_bits-shift));
}

Referenced by _rotl().