[GitHub] [incubator-nuttx] anchao commented on a change in pull request #5770: net/sockopt: bypass the SO_RCVBUF/SO_SNDBUF to usrsock

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

anchao commented on a change in pull request #5770:
URL: https://github.com/apache/incubator-nuttx/pull/5770#discussion_r829016774



##########
File path: net/socket/setsockopt.c
##########
@@ -398,6 +274,130 @@ static int psock_socketlevel_option(FAR struct socket *psock, int option,
         }
         break;
 #endif
+
+#if CONFIG_NET_RECV_BUFSIZE > 0
+      case SO_RCVBUF:     /* Sets receive buffer size */
+        {
+          int buffersize;
+
+          /* Verify that option is the size of an 'int'.  Should also check
+           * that 'value' is properly aligned for an 'int'
+           */
+
+          if (value_len != sizeof(int))
+            {
+              return -EINVAL;
+            }
+
+          /* Get the value.  Is the option being set or cleared? */
+
+          buffersize = *(FAR int *)value;
+
+          if (buffersize < 0 || buffersize > INT_MAX)

Review comment:
       Done




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