nuttx/libs/libc/net/lib_freeifaddrs.c
Xiang Xiao cc1a1b5781 net: Implement getifaddrs and freeifaddrs
specify here:
https://man7.org/linux/man-pages/man3/getifaddrs.3.html

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2021-12-21 11:01:33 -03:00

57 lines
1.9 KiB
C

/****************************************************************************
* libs/libc/net/lib_freeifaddrs.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <ifaddrs.h>
#include "libc.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: freeifaddrs
*
* Description:
* The freeifaddrs() function frees the data structure returned by
* getifaddrs().
*
* Input Parameters:
* addrs - The data structure to free
*
* Returned Value:
* None
*
****************************************************************************/
void freeifaddrs(FAR struct ifaddrs *addrs)
{
while (addrs != NULL)
{
FAR struct ifaddrs *tmp = addrs;
addrs = addrs->ifa_next;
lib_free(tmp);
}
}