From: zhangjunhao <zhangjunhao@espressif.com>
Date: Wed, 15 Nov 2017 03:58:19 +0000 (+0800)
Subject: fix(tw16355): examples/protocols/coap_client(server)
X-Git-Tag: v3.1-dev~62^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6a02a5834734f62616df6d6401d86428cfbac417;p=esp-idf

fix(tw16355): examples/protocols/coap_client(server)

fix coap example can not work properly
---

diff --git a/examples/protocols/coap_client/main/coap_client_example_main.c b/examples/protocols/coap_client/main/coap_client_example_main.c
index c9d8b22fcd..98f003e1ad 100644
--- a/examples/protocols/coap_client/main/coap_client_example_main.c
+++ b/examples/protocols/coap_client/main/coap_client_example_main.c
@@ -139,7 +139,7 @@ static void coap_example_task(void *p)
                     FD_ZERO(&readfds);
                     FD_CLR( ctx->sockfd, &readfds );
                     FD_SET( ctx->sockfd, &readfds );
-                    result = select( FD_SETSIZE, &readfds, 0, 0, &tv );
+                    result = select( ctx->sockfd+1, &readfds, 0, 0, &tv );
                     if (result > 0) {
                         if (FD_ISSET( ctx->sockfd, &readfds ))
                             coap_read(ctx);
diff --git a/examples/protocols/coap_server/main/coap_server_example_main.c b/examples/protocols/coap_server/main/coap_server_example_main.c
index 47f47dfc5d..b3ea703080 100644
--- a/examples/protocols/coap_server/main/coap_server_example_main.c
+++ b/examples/protocols/coap_server/main/coap_server_example_main.c
@@ -120,7 +120,7 @@ static void coap_example_thread(void *p)
                     FD_CLR( ctx->sockfd, &readfds);
                     FD_SET( ctx->sockfd, &readfds);
 
-                    int result = select( FD_SETSIZE, &readfds, 0, 0, &tv );
+                    int result = select( ctx->sockfd+1, &readfds, 0, 0, &tv );
                     if (result > 0){
                         if (FD_ISSET( ctx->sockfd, &readfds ))
                             coap_read(ctx);