engine/bits.c File Reference

#include "bits.h"
#include <stdio.h>

Go to the source code of this file.

Functions
int	GetBit (unsigned char *BitField, int BitFieldLen, int BitNum)
void	SetBit (unsigned char *BitField, int BitFieldLen, int BitNum, char Value)
void	SetBits (unsigned char *BitField, int BitFieldLen, int StartBit, int EndBit, char Value)
void	NotAndBitFields (unsigned char *BitField1, unsigned char *BitField2, unsigned char *TargetBitField, int BitFieldLen)
void	AndBitFields (unsigned char *BitField1, unsigned char *BitField2, unsigned char *TargetBitField, int BitFieldLen)
void	OrBitFields (unsigned char *BitField1, unsigned char *BitField2, unsigned char *TargetBitField, int BitFieldLen)
int	CountBits (unsigned char *BitField, int BitFieldLen)
int	CountBitsNot (unsigned char *BitField, int BitFieldLen)
int	BitFieldIsEmpty (unsigned char *BitField, int BitFieldLen)

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Function Documentation

void AndBitFields	(	unsigned char *	BitField1,
		unsigned char *	BitField2,
		unsigned char *	TargetBitField,
		int	BitFieldLen
	)			[inline]

Definition at line 144 of file bits.c.

int BitFieldIsEmpty	(	unsigned char *	BitField,
		int	BitFieldLen
	)

Definition at line 264 of file bits.c.

References FALSE, GetBit(), and TRUE.

Referenced by Decode(), and ProcessPacket().

int CountBits	(	unsigned char *	BitField,
		int	BitFieldLen
	)

Definition at line 164 of file bits.c.

References GetBit().

int CountBitsNot	(	unsigned char *	BitField,
		int	BitFieldLen
	)

Definition at line 183 of file bits.c.

int GetBit	(	unsigned char *	BitField,
		int	BitFieldLen,
		int	BitNum
	)			[inline]

Definition at line 7 of file bits.c.

References FALSE.

Referenced by BitFieldIsEmpty(), CountBits(), IPDstAddNode(), IPSrcAddNode(), IPTTLAddNode(), RuleIsActive(), TCPDstAddNode(), TCPFlagsAddNode(), and UDPSrcAddNode().

void NotAndBitFields	(	unsigned char *	BitField1,
		unsigned char *	BitField2,
		unsigned char *	TargetBitField,
		int	BitFieldLen
	)			[inline]

Definition at line 121 of file bits.c.

Referenced by Decode(), TestIPDst(), TestIPSrc(), TestIPTTL(), TestTCPDst(), TestTCPFlags(), and TestUDPSrc().

void OrBitFields	(	unsigned char *	BitField1,
		unsigned char *	BitField2,
		unsigned char *	TargetBitField,
		int	BitFieldLen
	)			[inline]

Definition at line 154 of file bits.c.

void SetBit	(	unsigned char *	BitField,
		int	BitFieldLen,
		int	BitNum,
		char	Value
	)			[inline]

Definition at line 42 of file bits.c.

Referenced by AddToTree(), AddToTreeSorted(), DecoderSetDependency(), IPDstAddNode(), IPSrcAddNode(), IPTTLAddNode(), MatchStrings(), MatchStringTree(), SetRuleInactive(), TCPDstAddNode(), TCPFlagsAddNode(), TestSetDependency(), and UDPSrcAddNode().

void SetBits	(	unsigned char *	BitField,
		int	BitFieldLen,
		int	StartBit,
		int	EndBit,
		char	Value
	)			[inline]

Definition at line 111 of file bits.c.

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