2
* Copyright (c) 1999 Kungliga Tekniska Högskolan
3
* (Royal Institute of Technology, Stockholm, Sweden).
6
* Redistribution and use in source and binary forms, with or without
7
* modification, are permitted provided that the following conditions
10
* 1. Redistributions of source code must retain the above copyright
11
* notice, this list of conditions and the following disclaimer.
13
* 2. Redistributions in binary form must reproduce the above copyright
14
* notice, this list of conditions and the following disclaimer in the
15
* documentation and/or other materials provided with the distribution.
17
* 3. Neither the name of the Institute nor the names of its contributors
18
* may be used to endorse or promote products derived from this software
19
* without specific prior written permission.
21
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42
static int h_errno = NO_RECOVERY;
46
* lookup `name' (address family `af') in DNS and return a pointer
47
* to a malloced struct hostent or NULL.
50
struct hostent * ROKEN_LIB_FUNCTION
51
getipnodebyname (const char *name, int af, int flags, int *error_num)
55
#ifdef HAVE_GETHOSTBYNAME2
56
tmp = gethostbyname2 (name, af);
59
*error_num = NO_ADDRESS;
62
tmp = gethostbyname (name);
72
*error_num = NO_ADDRESS;
75
*error_num = NO_RECOVERY;
80
tmp = copyhostent (tmp);
82
*error_num = TRY_AGAIN;