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
|
/* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <netdb.h>
#include <string.h>
#define LOOKUP_TYPE struct hostent
#define FUNCTION_NAME gethostbyaddr
#define DATABASE_NAME hosts
#define ADD_PARAMS const void *addr, socklen_t len, int type
#define ADD_VARIABLES addr, len, type
#define NEED_H_ERRNO 1
#define NEED__RES 1
#define NEED__RES_HCONF 1
/* If the addr parameter is the IPv6 unspecified address no query must
be performed. */
#define PREPROCESS \
if (len == sizeof (struct in6_addr) \
&& __builtin_expect (memcmp (&in6addr_any, addr, \
sizeof (struct in6_addr)), 1) == 0) \
{ \
*h_errnop = HOST_NOT_FOUND; \
*result = NULL; \
return ENOENT; \
}
#define POSTPROCESS \
if (status == NSS_STATUS_SUCCESS) \
{ \
_res_hconf_reorder_addrs (resbuf); \
_res_hconf_trim_domains (resbuf); \
}
#include "../nss/getXXbyYY_r.c"
|