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/* Copyright 1998 by the Massachusetts Institute of Technology.
* Copyright (C) 2019 by Andrew Selivanov
*
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting
* documentation, and that the name of M.I.T. not be used in
* advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is"
* without express or implied warranty.
*/
#include "ares_setup.h"
#ifdef HAVE_NETDB_H
# include <netdb.h>
#endif
#include "ares.h"
#include "ares_private.h"
void ares__freeaddrinfo_cnames(struct ares_addrinfo_cname *head)
{
struct ares_addrinfo_cname *current;
while (head)
{
current = head;
head = head->next;
ares_free(current->alias);
ares_free(current->name);
ares_free(current);
}
}
void ares__freeaddrinfo_nodes(struct ares_addrinfo_node *head)
{
struct ares_addrinfo_node *current;
while (head)
{
current = head;
head = head->ai_next;
ares_free(current->ai_addr);
ares_free(current);
}
}
void ares_freeaddrinfo(struct ares_addrinfo *ai)
{
if (ai == NULL)
return;
ares__freeaddrinfo_cnames(ai->cnames);
ares__freeaddrinfo_nodes(ai->nodes);
ares_free(ai);
}
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