ip_addr.h File Reference

#include "c_types.h"

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Data Structures
struct	ip_addr
struct	ip_info

Macros
#define	ip_addr_netcmp(addr1, addr2, mask)
#define	IP4_ADDR(ipaddr, a, b, c, d)
#define	ip4_addr1(ipaddr)   (((uint8*)(ipaddr))[0])
#define	ip4_addr2(ipaddr)   (((uint8*)(ipaddr))[1])
#define	ip4_addr3(ipaddr)   (((uint8*)(ipaddr))[2])
#define	ip4_addr4(ipaddr)   (((uint8*)(ipaddr))[3])
#define	ip4_addr1_16(ipaddr)   ((uint16)ip4_addr1(ipaddr))
#define	ip4_addr2_16(ipaddr)   ((uint16)ip4_addr2(ipaddr))
#define	ip4_addr3_16(ipaddr)   ((uint16)ip4_addr3(ipaddr))
#define	ip4_addr4_16(ipaddr)   ((uint16)ip4_addr4(ipaddr))
#define	IPADDR_NONE   ((uint32)0xffffffffUL)
#define	IPADDR_ANY   ((uint32)0x00000000UL)
#define	IP2STR(ipaddr)
#define	IPSTR   "%d.%d.%d.%d"

Typedefs
typedef struct ip_addr	ip_addr_t

Functions
uint32	ipaddr_addr (const char *cp)

Macro Definition Documentation

IP2STR

#define IP2STR

(

ipaddr

)

Value:

ip4_addr1_16(ipaddr), \
    ip4_addr2_16(ipaddr), \
    ip4_addr3_16(ipaddr), \
    ip4_addr4_16(ipaddr)

Definition at line 80 of file ip_addr.h.

IP4_ADDR

#define IP4_ADDR	(		ipaddr,
			a,
			b,
			c,
			d
	)

Value:

(ipaddr)->addr = ((uint32)((d) & 0xff) << 24) | \
                         ((uint32)((c) & 0xff) << 16) | \
                         ((uint32)((b) & 0xff) << 8)  | \
                          (uint32)((a) & 0xff)

Set an IP address given by the four byte-parts. Little-endian version that prevents the use of htonl.

Definition at line 57 of file ip_addr.h.

ip4_addr1

#define ip4_addr1

(

ipaddr

)

(((uint8*)(ipaddr))[0])

Definition at line 63 of file ip_addr.h.

ip4_addr1_16

#define ip4_addr1_16

(

ipaddr

)

((uint16)ip4_addr1(ipaddr))

Definition at line 68 of file ip_addr.h.

ip4_addr2

#define ip4_addr2

(

ipaddr

)

(((uint8*)(ipaddr))[1])

Definition at line 64 of file ip_addr.h.

ip4_addr2_16

#define ip4_addr2_16

(

ipaddr

)

((uint16)ip4_addr2(ipaddr))

Definition at line 69 of file ip_addr.h.

ip4_addr3

#define ip4_addr3

(

ipaddr

)

(((uint8*)(ipaddr))[2])

Definition at line 65 of file ip_addr.h.

ip4_addr3_16

#define ip4_addr3_16

(

ipaddr

)

((uint16)ip4_addr3(ipaddr))

Definition at line 70 of file ip_addr.h.

ip4_addr4

#define ip4_addr4

(

ipaddr

)

(((uint8*)(ipaddr))[3])

Definition at line 66 of file ip_addr.h.

ip4_addr4_16

#define ip4_addr4_16

(

ipaddr

)

((uint16)ip4_addr4(ipaddr))

Definition at line 71 of file ip_addr.h.

ip_addr_netcmp

#define ip_addr_netcmp	(		addr1,
			addr2,
			mask
	)

Value:

(((addr1)->addr & \
        (mask)->addr) == \
        ((addr2)->addr & \
         (mask)->addr))

Determine if two address are on the same network.

• addr1 IP address 1
• addr2 IP address 2
• mask network identifier mask

  Returns

  !0 if the network identifiers of both address match

Definition at line 50 of file ip_addr.h.

IPADDR_ANY

#define IPADDR_ANY   ((uint32)0x00000000UL)

0.0.0.0

Definition at line 77 of file ip_addr.h.

IPADDR_NONE

#define IPADDR_NONE   ((uint32)0xffffffffUL)

255.255.255.255

Definition at line 75 of file ip_addr.h.

IPSTR

#define IPSTR   "%d.%d.%d.%d"

Definition at line 85 of file ip_addr.h.

Typedef Documentation

ip_addr_t

typedef struct ip_addr ip_addr_t

Definition at line 34 of file ip_addr.h.

Function Documentation

ipaddr_addr()

uint32 ipaddr_addr

(

const char *

cp

)

Ascii internet address interpretation routine. The value returned is in network order.

Parameters

cp	IP address in ascii represenation (e.g. "127.0.0.1")

Returns

ip address in network order

Definition at line 130 of file ip_addr.c.

References ip4_addr_get_u32, ipaddr_aton(), and IPADDR_NONE.

{
  ip_addr_t val;

  if (ipaddr_aton(cp, &val)) {
    return ip4_addr_get_u32(&val);
  }
  return (IPADDR_NONE);
}

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