blob: c9f8af7e7044e447e75c2db21e82a93888bb100b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/*
ELAPI
Header file for the ELAPI handling of netwok interfaces.
Copyright (C) Dmitri Pal <dpal@redhat.com> 2009
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ELAPI_NET_H
#define ELAPI_NET_H
#include "config.h"
#ifdef HAVE_GETIFADDRS
#include <ifaddrs.h> /* for getifaddrs() */
/* Macros then just wrap the getifaddrs() interface */
/* Type of the variable that stores the list */
#define ELAPI_ADDRLIST struct ifaddrs *
/* Type of the variable that stores the item */
#define ELAPI_ADDRITEM struct ifaddrs *
/* Function to build list of the interfaces */
#define ELAPI_GET_ADDRLIST getifaddrs
/* Macro to get first item from the list */
#define ELAPI_GET_FIRST_ADDR_ITEM(list, item) \
do { \
item = list; \
} while(0)
/* Macro to get next item from the list */
#define ELAPI_GET_NEXT_ADDR_ITEM(list, item) \
do { \
item = item->ifa_next; \
} while(0)
/* Macro to get address */
#define ELAPI_GET_ADDR(item, addr) \
do { \
addr = item->ifa_addr; \
} while(0)
/* Function to free the list */
#define ELAPI_ADDR_LIST_CLEANUP freeifaddrs
#else
/* Do everything using ioctl yourself... */
#include "elapi_ioctl.h"
/* Type of the variable that stores the list */
#define ELAPI_ADDRLIST struct ifconf
/* Type of valiable that is used as a pointer */
#define ELAPI_ADDRITEM struct ifreq *
/* Function to build list of the interfaces */
#define ELAPI_GET_ADDRLIST elapi_get_addrlist
/* Macro to get first item from the list */
#define ELAPI_GET_FIRST_ADDR_ITEM(list, item) \
do { \
item = (struct ifreq *)list.ifc_buf; \
} while(0)
/* Macro to get next item from the list */
#define ELAPI_GET_NEXT_ADDR_ITEM(list, item) \
do { \
item = elapi_get_next_addr(&list, item); \
} while(0)
/* Macro to get address */
#define ELAPI_GET_ADDR(item, addr) \
do { \
addr = &(item->ifr_addr); \
} while(0)
/* Function to free the list */
#define ELAPI_ADDR_LIST_CLEANUP(list) \
do { \
free(list.ifc_buf); \
} while(0)
#endif /* HAVE_GETIFADDRS */
#endif
|
