fixed recv issue in tcp client example.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2126 bbd45198-f89e-11dd-88c7-29a3b14d5316

1 files changed, 1 insertions, 1 deletions

diff --git a/examples/network/tcpclient.c b/examples/network/tcpclient.c
index 73f028655a..cc15b1178b 100644
--- a/examples/network/tcpclient.c
+++ b/examples/network/tcpclient.c
@@ -53,7 +53,7 @@ void tcpclient(const char* url, int port)
    {

        /* 从sock连接中接收最大1024字节数据 */

        bytes_received = recv(sock, recv_data, 1024, 0);

-       if (bytes_received < 0)

+       if (bytes_received <= 0)

        {

            /* 接收失败，关闭这个连接 */

            lwip_close(sock);