getifaddr.c File Reference

#include <stdio.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "config.h"
#include "getifaddr.h"

Include dependency graph for getifaddr.c:

Macros
#define	IP(a, b, c, d)   (((a) << 24) + ((b) << 16) + ((c) << 8) + (d))
#define	MSK(m)   (32-(m))

Functions
int	getifaddr (const char *ifname, char *buf, int len, struct in_addr *addr, struct in_addr *mask)
int	addr_is_reserved (struct in_addr *addr)

Variables
struct {
uint32_t   address
uint32_t   rmask
}	reserved []

Macro Definition Documentation

IP

#define IP	(		a,
			b,
			c,
			d
	)		(((a) << 24) + ((b) << 16) + ((c) << 8) + (d))

MSK

#define MSK

(

m

)

(32-(m))

Function Documentation

addr_is_reserved()

int addr_is_reserved

(

struct in_addr *

addr

)

getifaddr()

int getifaddr	(	const char *	ifname,
		char *	buf,
		int	len,
		struct in_addr *	addr,
		struct in_addr *	mask
	)

Variable Documentation

address

uint32_t address

reserved

const { ... } reserved[]

Initial value:

= {
    { IP(  0,   0,   0, 0), MSK( 8) }, 
    { IP( 10,   0,   0, 0), MSK( 8) }, 
    { IP(100,  64,   0, 0), MSK(10) }, 
    { IP(127,   0,   0, 0), MSK( 8) }, 
    { IP(169, 254,   0, 0), MSK(16) }, 
    { IP(172,  16,   0, 0), MSK(12) }, 
    { IP(192,   0,   0, 0), MSK(24) }, 
    { IP(192,   0,   2, 0), MSK(24) }, 
    { IP(192,  31, 196, 0), MSK(24) }, 
    { IP(192,  52, 193, 0), MSK(24) }, 
    { IP(192,  88,  99, 0), MSK(24) }, 
    { IP(192, 168,   0, 0), MSK(16) }, 
    { IP(192, 175,  48, 0), MSK(24) }, 
    { IP(198,  18,   0, 0), MSK(15) }, 
    { IP(198,  51, 100, 0), MSK(24) }, 
    { IP(203,   0, 113, 0), MSK(24) }, 
    { IP(224,   0,   0, 0), MSK( 4) }, 
    { IP(240,   0,   0, 0), MSK( 4) }, 
}

rmask

uint32_t rmask