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freeaddrinfo.c
40 lines (34 loc) · 1.17 KB
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freeaddrinfo.c
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/*
* freeaddrinfo.c - freeaddrinfo()
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gai.h"
void freeaddrinfo(struct addrinfo *aihead)
{
struct addrinfo *ai, *ainext;
for (ai = aihead; ai != NULL; ai = ainext) {
if (ai->ai_addr != NULL)
free(ai->ai_addr); /* socket address structure */
if (ai->ai_canonname != NULL)
free(ai->ai_canonname);
ainext = ai->ai_next; /* can't fetch ai_next after free() */
free(ai); /* the addrinfo{} itself */
}
}