ares__sortaddrinfo.c File Reference

#include "ares_setup.h"
#include <assert.h>
#include <limits.h>
#include "ares.h"
#include "ares_private.h"

Include dependency graph for ares__sortaddrinfo.c:

Go to the source code of this file.

Classes
struct	addrinfo_sort_elem

Macros
#define	ARES_IN6_IS_ADDR_6BONE(a)   (((a)->s6_addr[0] == 0x3f) && ((a)->s6_addr[1] == 0xfe))
#define	ARES_IN6_IS_ADDR_6TO4(a)   (((a)->s6_addr[0] == 0x20) && ((a)->s6_addr[1] == 0x02))
#define	ARES_IN6_IS_ADDR_TEREDO(a)   ((*(const unsigned int *)(const void *)(&(a)->s6_addr[0]) == ntohl(0x20010000)))
#define	ARES_IN6_IS_ADDR_ULA(a)   (((a)->s6_addr[0] & 0xfe) == 0xfc)
#define	ARES_IN_LOOPBACK(a)   ((((long int)(a)) & 0xff000000) == 0x7f000000)
#define	ARES_IPV6_ADDR_MC_SCOPE(a)   ((a)->s6_addr[1] & 0x0f)
#define	ARES_IPV6_ADDR_SCOPE_GLOBAL   0x0e
#define	ARES_IPV6_ADDR_SCOPE_INTFACELOCAL   0x01
#define	ARES_IPV6_ADDR_SCOPE_LINKLOCAL   0x02
#define	ARES_IPV6_ADDR_SCOPE_NODELOCAL   0x01
#define	ARES_IPV6_ADDR_SCOPE_ORGLOCAL   0x08
#define	ARES_IPV6_ADDR_SCOPE_SITELOCAL   0x05

Functions
int	ares__sortaddrinfo (ares_channel channel, struct ares_addrinfo_node *list_sentinel)
static int	common_prefix_len (const struct in6_addr *a1, const struct in6_addr *a2)
static int	find_src_addr (ares_channel channel, const struct sockaddr *addr, struct sockaddr *src_addr)
static int	get_label (const struct sockaddr *addr)
static int	get_precedence (const struct sockaddr *addr)
static int	get_scope (const struct sockaddr *addr)
static int	rfc6724_compare (const void *ptr1, const void *ptr2)

Macro Definition Documentation

ARES_IN6_IS_ADDR_6BONE

#define ARES_IN6_IS_ADDR_6BONE

(

a

)

(((a)->s6_addr[0] == 0x3f) && ((a)->s6_addr[1] == 0xfe))

Definition at line 85 of file ares__sortaddrinfo.c.

ARES_IN6_IS_ADDR_6TO4

#define ARES_IN6_IS_ADDR_6TO4

(

a

)

(((a)->s6_addr[0] == 0x20) && ((a)->s6_addr[1] == 0x02))

Definition at line 82 of file ares__sortaddrinfo.c.

ARES_IN6_IS_ADDR_TEREDO

#define ARES_IN6_IS_ADDR_TEREDO

(

a

)

((*(const unsigned int *)(const void *)(&(a)->s6_addr[0]) == ntohl(0x20010000)))

Definition at line 79 of file ares__sortaddrinfo.c.

ARES_IN6_IS_ADDR_ULA

#define ARES_IN6_IS_ADDR_ULA

(

a

)

(((a)->s6_addr[0] & 0xfe) == 0xfc)

Definition at line 75 of file ares__sortaddrinfo.c.

ARES_IN_LOOPBACK

#define ARES_IN_LOOPBACK

(

a

)

((((long int)(a)) & 0xff000000) == 0x7f000000)

Definition at line 72 of file ares__sortaddrinfo.c.

ARES_IPV6_ADDR_MC_SCOPE

#define ARES_IPV6_ADDR_MC_SCOPE

(

a

)

((a)->s6_addr[1] & 0x0f)

Definition at line 63 of file ares__sortaddrinfo.c.

ARES_IPV6_ADDR_SCOPE_GLOBAL

#define ARES_IPV6_ADDR_SCOPE_GLOBAL   0x0e

Definition at line 70 of file ares__sortaddrinfo.c.

ARES_IPV6_ADDR_SCOPE_INTFACELOCAL

#define ARES_IPV6_ADDR_SCOPE_INTFACELOCAL   0x01

Definition at line 66 of file ares__sortaddrinfo.c.

ARES_IPV6_ADDR_SCOPE_LINKLOCAL

#define ARES_IPV6_ADDR_SCOPE_LINKLOCAL   0x02

Definition at line 67 of file ares__sortaddrinfo.c.

ARES_IPV6_ADDR_SCOPE_NODELOCAL

#define ARES_IPV6_ADDR_SCOPE_NODELOCAL   0x01

Definition at line 65 of file ares__sortaddrinfo.c.

ARES_IPV6_ADDR_SCOPE_ORGLOCAL

#define ARES_IPV6_ADDR_SCOPE_ORGLOCAL   0x08

Definition at line 69 of file ares__sortaddrinfo.c.

ARES_IPV6_ADDR_SCOPE_SITELOCAL

#define ARES_IPV6_ADDR_SCOPE_SITELOCAL   0x05

Definition at line 68 of file ares__sortaddrinfo.c.

Function Documentation

ares__sortaddrinfo()

int ares__sortaddrinfo	(	ares_channel	channel,
		struct ares_addrinfo_node *	list_sentinel
	)

Definition at line 443 of file ares__sortaddrinfo.c.

common_prefix_len()

static int common_prefix_len ( const struct in6_addr *  a1, const struct in6_addr *  a2  )

static

Definition at line 256 of file ares__sortaddrinfo.c.

find_src_addr()

static int find_src_addr ( ares_channel  channel, const struct sockaddr *  addr, struct sockaddr *  src_addr  )

static

Definition at line 384 of file ares__sortaddrinfo.c.

get_label()

static int get_label ( const struct sockaddr *  addr )

static

Definition at line 145 of file ares__sortaddrinfo.c.

get_precedence()

static int get_precedence ( const struct sockaddr *  addr )

static

Definition at line 206 of file ares__sortaddrinfo.c.

get_scope()

static int get_scope ( const struct sockaddr *  addr )

static

Definition at line 89 of file ares__sortaddrinfo.c.

rfc6724_compare()

static int rfc6724_compare ( const void *  ptr1, const void *  ptr2  )

static

Definition at line 286 of file ares__sortaddrinfo.c.