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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 
19 #ifdef HAVE_NETDB_H
20 #include <netdb.h>
21 #endif
22 
23 #include "ares.h"
24 #include "ares_private.h" /* for memdebug */
25 
ares_free_hostent(struct hostent * host)26 void ares_free_hostent(struct hostent *host)
27 {
28   char **p;
29 
30   if (!host)
31     return;
32 
33   ares_free((char *)(host->h_name));
34   for (p = host->h_aliases; *p; p++)
35     ares_free(*p);
36   ares_free(host->h_aliases);
37   ares_free(host->h_addr_list[0]); /* no matter if there is one or many entries,
38                                  there is only one malloc for all of them */
39   ares_free(host->h_addr_list);
40   ares_free(host);
41 }
42