Corrected tcp socket send

Mika Leppänen · Mika Leppänen · commit 1f98cc3d54fe · 2016-09-28T08:48:45.000+03:00
diff --git a/features/net/FEATURE_IPV4/lwip-interface/lwip_stack.c b/features/net/FEATURE_IPV4/lwip-interface/lwip_stack.c
@@ -671,13 +671,14 @@ static int lwip_socket_accept(nsapi_stack_t *stack, nsapi_socket_t server, nsapi
 static int lwip_socket_send(nsapi_stack_t *stack, nsapi_socket_t handle, const void *data, unsigned size)
 {
     struct lwip_socket *s = (struct lwip_socket *)handle;
+    size_t bytes_written = 0;
 
-    err_t err = netconn_write(s->conn, data, size, NETCONN_COPY);
+    err_t err = netconn_write_partly(s->conn, data, size, NETCONN_COPY, &bytes_written);
     if (err != ERR_OK) {
         return lwip_err_remap(err);
     }
 
-    return size;
+    return (int)bytes_written;
 }
 
 static int lwip_socket_recv(nsapi_stack_t *stack, nsapi_socket_t handle, void *data, unsigned size)

Original file line number	Diff line number	Diff line change
`@@ -671,13 +671,14 @@ static int lwip_socket_accept(nsapi_stack_t *stack, nsapi_socket_t server, nsapi`
`671`	`671`	`static int lwip_socket_send(nsapi_stack_t stack, nsapi_socket_t handle, const void data, unsigned size)`
`672`	`672`	`{`
`673`	`673`	`struct lwip_socket s = (struct lwip_socket )handle;`
	`674`	`+ size_t bytes_written = 0;`
`674`	`675`
`675`		`- err_t err = netconn_write(s->conn, data, size, NETCONN_COPY);`
	`676`	`+ err_t err = netconn_write_partly(s->conn, data, size, NETCONN_COPY, &bytes_written);`
`676`	`677`	`if (err != ERR_OK) {`
`677`	`678`	`return lwip_err_remap(err);`
`678`	`679`	`}`
`679`	`680`
`680`		`- return size;`
	`681`	`+ return (int)bytes_written;`
`681`	`682`	`}`
`682`	`683`
`683`	`684`	`static int lwip_socket_recv(nsapi_stack_t stack, nsapi_socket_t handle, void data, unsigned size)`