[examples] update:

1. cleanup for posix dfs_net.
2. fixed recv buf overwrite.
3. format code.

1 files changed, 30 insertions, 30 deletions

diff --git a/examples/network/udpclient.c b/examples/network/udpclient.c
index c19a25fa6c..5060c9a087 100644
--- a/examples/network/udpclient.c
+++ b/examples/network/udpclient.c
@@ -5,44 +5,44 @@
 #include "netdb.h"
 
 const char send_data[] = "This is UDP Client from RT-Thread.\n"; /* 发送用到的数据 */
-void udpclient(const char* url, int port, int count)
+void udpclient(const char *url, int port, int count)
 {
-   int sock;
-   struct hostent *host;
-   struct sockaddr_in server_addr;
+    int sock;
+    struct hostent *host;
+    struct sockaddr_in server_addr;
 
-   /* 通过函数入口参数url获得host地址（如果是域名，会做域名解析） */
-   host= (struct hostent *) gethostbyname(url);
+    /* 通过函数入口参数url获得host地址（如果是域名，会做域名解析） */
+    host = (struct hostent *) gethostbyname(url);
 
-   /* 创建一个socket，类型是SOCK_DGRAM，UDP类型 */
-   if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
-   {
-       rt_kprintf("Socket error\n");
-       return;
-   }
+    /* 创建一个socket，类型是SOCK_DGRAM，UDP类型 */
+    if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
+    {
+        rt_kprintf("Socket error\n");
+        return;
+    }
 
-   /* 初始化预连接的服务端地址 */
-   server_addr.sin_family = AF_INET;
-   server_addr.sin_port = htons(port);
-   server_addr.sin_addr = *((struct in_addr *)host->h_addr);
-   rt_memset(&(server_addr.sin_zero), 0, sizeof(server_addr.sin_zero));
+    /* 初始化预连接的服务端地址 */
+    server_addr.sin_family = AF_INET;
+    server_addr.sin_port = htons(port);
+    server_addr.sin_addr = *((struct in_addr *)host->h_addr);
+    rt_memset(&(server_addr.sin_zero), 0, sizeof(server_addr.sin_zero));
 
-   /* 总计发送count次数据 */
-   while (count)
-   {
-       /* 发送数据到服务远端 */
-       sendto(sock, send_data, strlen(send_data), 0,
-              (struct sockaddr *)&server_addr, sizeof(struct sockaddr));
+    /* 总计发送count次数据 */
+    while (count)
+    {
+        /* 发送数据到服务远端 */
+        sendto(sock, send_data, strlen(send_data), 0,
+               (struct sockaddr *)&server_addr, sizeof(struct sockaddr));
 
-       /* 线程休眠一段时间 */
-       rt_thread_delay(50);
+        /* 线程休眠一段时间 */
+        rt_thread_delay(50);
 
-       /* 计数值减一 */
-       count --;
-   }
+        /* 计数值减一 */
+        count --;
+    }
 
-   /* 关闭这个socket */
-   closesocket(sock);
+    /* 关闭这个socket */
+    closesocket(sock);
 }
 
 #ifdef RT_USING_FINSH