1 
2 /* Copyright 1998 by the Massachusetts Institute of Technology.
3  *
4  * Permission to use, copy, modify, and distribute this
5  * software and its documentation for any purpose and without
6  * fee is hereby granted, provided that the above copyright
7  * notice appear in all copies and that both that copyright
8  * notice and this permission notice appear in supporting
9  * documentation, and that the name of M.I.T. not be used in
10  * advertising or publicity pertaining to distribution of the
11  * software without specific, written prior permission.
12  * M.I.T. makes no representations about the suitability of
13  * this software for any purpose.  It is provided "as is"
14  * without express or implied warranty.
15  */
16 
17 #include "ares_setup.h"
18 #include <stdlib.h>
19 
20 #ifdef HAVE_NETDB_H
21 #include <netdb.h>
22 #endif
23 
24 #include "ares.h"
25 #include "ares_private.h" /* for memdebug */
26 
ares_free_hostent(struct hostent * host)27 void ares_free_hostent(struct hostent *host)
28 {
29   char **p;
30 
31   if (!host)
32     return;
33 
34   free((char *)(host->h_name));
35   for (p = host->h_aliases; *p; p++)
36     free(*p);
37   free(host->h_aliases);
38   free(host->h_addr_list[0]); /* no matter if there is one or many entries,
39                                  there is only one malloc for all of them */
40   free(host->h_addr_list);
41   free(host);
42 }
43