From aafa00f3aa943118d78df53991077df6e8df00c1 Mon Sep 17 00:00:00 2001
From: Simon Goldschmidt <goldsimon@gmx.de>
Date: Thu, 13 Oct 2011 19:25:11 +0200
Subject: [PATCH] fixed bug #34540: compiler error when CORE_LOCKING is used
 and not all protocols are enabled

---
 CHANGELOG         |  4 ++++
 src/api/api_lib.c | 15 ++++++++++++---
 src/api/sockets.c | 23 +++++++++++++++++------
 3 files changed, 33 insertions(+), 9 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index e10ae6b6..072ff5b8 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -49,6 +49,10 @@ HISTORY
 
  ++ Bugfixes:
 
+  2011-10-13: Simon Goldschmidt
+  * sockets.c, api_lib.c: fixed bug #34540: compiler error when CORE_LOCKING is
+    used and not all protocols are enabled
+
   2011-10-12: Simon Goldschmidt
   * pbuf.c: fixed bug #34534: Error in sending fragmented IP if MEM_ALIGNMENT > 4
 
diff --git a/src/api/api_lib.c b/src/api/api_lib.c
index 6b059425..4bdf08ed 100644
--- a/src/api/api_lib.c
+++ b/src/api/api_lib.c
@@ -372,7 +372,10 @@ netconn_recv_data(struct netconn *conn, void **new_buf)
 #endif /* LWIP_SO_RCVTIMEO*/
 
 #if LWIP_TCP
-  if (conn->type == NETCONN_TCP) {
+#if (LWIP_UDP || LWIP_RAW)
+  if (conn->type == NETCONN_TCP)
+#endif /* (LWIP_UDP || LWIP_RAW) */
+  {
     if (!netconn_get_noautorecved(conn) || (buf == NULL)) {
       /* Let the stack know that we have taken the data. */
       /* TODO: Speedup: Don't block and wait for the answer here
@@ -461,7 +464,10 @@ netconn_recv(struct netconn *conn, struct netbuf **new_buf)
   LWIP_ERROR("netconn_accept: invalid recvmbox", sys_mbox_valid(&conn->recvmbox), return ERR_CONN;);
 
 #if LWIP_TCP
-  if (conn->type == NETCONN_TCP) {
+#if (LWIP_UDP || LWIP_RAW)
+  if (conn->type == NETCONN_TCP)
+#endif /* (LWIP_UDP || LWIP_RAW) */
+  {
     struct pbuf *p = NULL;
     /* This is not a listening netconn, since recvmbox is set */
 
@@ -485,8 +491,11 @@ netconn_recv(struct netconn *conn, struct netbuf **new_buf)
     *new_buf = buf;
     /* don't set conn->last_err: it's only ERR_OK, anyway */
     return ERR_OK;
-  } else
+  }
 #endif /* LWIP_TCP */
+#if LWIP_TCP && (LWIP_UDP || LWIP_RAW)
+  else
+#endif /* LWIP_TCP && (LWIP_UDP || LWIP_RAW) */
   {
 #if (LWIP_UDP || LWIP_RAW)
     return netconn_recv_data(conn, (void **)new_buf);
diff --git a/src/api/sockets.c b/src/api/sockets.c
index 2603095f..846b8b35 100644
--- a/src/api/sockets.c
+++ b/src/api/sockets.c
@@ -849,18 +849,29 @@ lwip_sendto(int s, const void *data, size_t size, int flags,
         inet_addr_to_ipaddr_p(remote_addr, &to_in->sin_addr);
         remote_port = ntohs(to_in->sin_port);
       } else {
-        remote_addr = &sock->conn->pcb.raw->remote_ip;
-        if (sock->conn->type == NETCONN_RAW) {
-          remote_port = 0;
-        } else {
+        remote_addr = &sock->conn->pcb.ip->remote_ip;
+#if LWIP_UDP
+        if (NETCONNTYPE_GROUP(sock->conn->type) == NETCONN_UDP) {
           remote_port = sock->conn->pcb.udp->remote_port;
+        } else
+#endif /* LWIP_UDP */
+        {
+          remote_port = 0;
         }
       }
 
       LOCK_TCPIP_CORE();
-      if (sock->conn->type == NETCONN_RAW) {
+      if (netconn_type(sock->conn) == NETCONN_RAW) {
+#if LWIP_RAW
         err = sock->conn->last_err = raw_sendto(sock->conn->pcb.raw, p, remote_addr);
-      } else {
+#else /* LWIP_RAW */
+        err = ERR_ARG;
+#endif /* LWIP_RAW */
+      }
+#if LWIP_UDP && LWIP_RAW
+      else
+#endif /* LWIP_UDP && LWIP_RAW */
+      {
 #if LWIP_UDP
 #if LWIP_CHECKSUM_ON_COPY && LWIP_NETIF_TX_SINGLE_PBUF
         err = sock->conn->last_err = udp_sendto_chksum(sock->conn->pcb.udp, p,