1 /*
2  * Copyright (C) 1999  Ross Combs (rocombs@cs.nmsu.edu)
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
17  */
18 #include "common/setup_before.h"
19 #ifndef HAVE_INET_NTOA
20 
21 #include <stdio.h>
22 #ifdef HAVE_STDDEF_H
23 # include <stddef.h>
24 #else
25 # ifndef NULL
26 #  define NULL ((void *)0)
27 # endif
28 #endif
29 #ifdef HAVE_SYS_TYPES
30 # include <sys/types.h>
31 #endif
32 #ifdef HAVE_SYS_PARAM_H
33 # include <sys/param.h>
34 #endif
35 #ifdef HAVE_NETINET_IN_H
36 # include <netinet/in.h>
37 #endif
38 #ifdef HAVE_ARPA_INET_H
39 # include <arpa/inet.h>
40 #endif
41 #include "inet_ntoa.h"
42 #include "common/setup_after.h"
43 
44 
inet_ntoa(struct in_addr const * addr)45 extern char const * inet_ntoa(struct in_addr const * addr)
46 {
47     static char   buff[16];
48     unsigned long val;
49 
50     if (!addr)
51 	return NULL;
52 
53     val = ntohl(addr->s_addr);
54     sprintf(buff,"%u.%u.%u.%u",
55 	    (val>>24)&0xff,
56 	    (val>>16)&0xff,
57 	    (val>> 8)&0xff,
58 	    (val    )&0xff);
59     return buff;
60 }
61 
62 #else
63 typedef int filenotempty; /* make ISO standard happy */
64 #endif
65