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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 #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 
     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