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Functions
int	CIDRFromMask (uint32_t netmask)
	Turn 32 bit mask into CIDR. More...

uint32_t	CIDRGet (int)

void	CIDRGetIPv6 (int cidr, struct in6_addr *in6)
	Creates a cidr ipv6 netblock, based on the cidr netblock value. More...

void	UtilCIDRTests (void)

Detailed Description

Author: Victor Julien victo.nosp@m.r@in.nosp@m.linia.nosp@m.c.ne.nosp@m.t

Definition in file util-cidr.h.

Function Documentation

◆ CIDRFromMask()

int CIDRFromMask ( uint32_t netmask )

Turn 32 bit mask into CIDR.

Return values

cidr	The cidr value or -1 if the netmask can't be expressed as cidr

Definition at line 35 of file util-cidr.c.

◆ CIDRGet()

uint32_t CIDRGet ( int )

Definition at line 57 of file util-cidr.c.

References SCLogDebug.

◆ CIDRGetIPv6()

void CIDRGetIPv6	(	int	cidr,
		struct in6_addr *	in6
	)

Creates a cidr ipv6 netblock, based on the cidr netblock value.

   For example if we send a cidr of 7 as argument, an ipv6 address
   mask of the value FE:00:00:00:00:00:00:00 is created and updated
   in the argument struct in6_addr *in6.

Todo:: I think for the final section: while (cidr > 0), we can simply replace it with a if (cidr > 0) { in6->s6_addr[i] = -1 << (8 - cidr);

Parameters

cidr	The value of the cidr.
in6	Pointer to an ipv6 address structure(struct in6_addr) which will hold the cidr netblock result.

Definition at line 82 of file util-cidr.c.

Referenced by SCRadix6AddKeyIPV6String().

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◆ UtilCIDRTests()

void UtilCIDRTests ( void )

Definition at line 149 of file util-cidr.c.

References UtRegisterTest().