[GitHub] [incubator-nuttx] Ouss4 commented on a change in pull request #5036: net: Implement getifaddrs and freeifaddrs

[GitBox <gi...@apache.org>]

Ouss4 commented on a change in pull request #5036:
URL: https://github.com/apache/incubator-nuttx/pull/5036#discussion_r773103954



##########
File path: libs/libc/net/lib_getifaddrs.c
##########
@@ -0,0 +1,282 @@
+/****************************************************************************
+ * libs/libc/net/lib_getifaddrs.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 <errno.h>
+#include <ifaddrs.h>
+#include <net/if.h>
+#include <sys/ioctl.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <nuttx/net/netconfig.h>
+
+#include "libc.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#undef  broadaddr
+#define broadaddr dstaddr
+
+/****************************************************************************
+ * Private Type Definitions
+ ****************************************************************************/
+
+struct myifaddrs
+{
+  struct ifaddrs          addrs;
+  char                    name[IF_NAMESIZE];
+  struct sockaddr_storage addr;
+  struct sockaddr_storage netmask;
+  struct sockaddr_storage dstaddr;
+  struct sockaddr         hwaddr;
+};
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: getifaddrs
+ *
+ * Description:
+ *   The getifaddrs() function returns a link list of ifaddrs structures,

Review comment:
       ```suggestion
    *   The getifaddrs() function returns a linked list of ifaddrs structures,
   ```




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