gio: Add G_IO_ERROR_DESTINATION_UNSET

...and map EDESTADDRREQ to it.

Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>

gio/gioenums.h

@@ -517,6 +517,7 @@ typedef enum {
  * @G_IO_ERROR_NOT_CONNECTED: Transport endpoint is not connected. Since 2.44
  * @G_IO_ERROR_MESSAGE_TOO_LARGE: Message too large. Since 2.48.
  * @G_IO_ERROR_NO_SUCH_DEVICE: No such device found. Since 2.74
+ * @G_IO_ERROR_DESTINATION_UNSET: Destination address unset. Since 2.80
  *
  * Error codes returned by GIO functions.
  *
@@ -587,6 +588,7 @@ typedef enum {
   G_IO_ERROR_NOT_CONNECTED,
   G_IO_ERROR_MESSAGE_TOO_LARGE,
   G_IO_ERROR_NO_SUCH_DEVICE GIO_AVAILABLE_ENUMERATOR_IN_2_74,
+  G_IO_ERROR_DESTINATION_UNSET GIO_AVAILABLE_ENUMERATOR_IN_2_80,
 } GIOErrorEnum;
 
 

gio/gioerror.c

@@ -228,6 +228,12 @@ g_io_error_from_errno (gint err_no)
       break;
 #endif
 
+#ifdef EDESTADDRREQ
+    case EDESTADDRREQ:
+      return G_IO_ERROR_DESTINATION_UNSET;
+      break;
+#endif
+
 #ifdef EMSGSIZE
     case EMSGSIZE:
       return G_IO_ERROR_MESSAGE_TOO_LARGE;

gio/tests/error.c

@@ -557,7 +557,7 @@ test_error_from_errno (void)
 
 #ifdef EDESTADDRREQ
   g_assert_cmpuint (g_io_error_from_errno (EDESTADDRREQ), ==,
-                    G_IO_ERROR_FAILED);
+                    G_IO_ERROR_DESTINATION_UNSET);
 #endif
 
 #ifdef EPROTOTYPE

gio/tests/socket.c

@@ -777,7 +777,7 @@ test_ip_sync_dgram (GSocketFamily family)
     len = g_socket_send_messages (client, m, G_N_ELEMENTS (m), 0, NULL, &error);
     /* This error code may vary between platforms and over time; it is not guaranteed API: */
 #ifndef G_OS_WIN32
-    g_assert_error (error, G_IO_ERROR, G_IO_ERROR_FAILED);
+    g_assert_error (error, G_IO_ERROR, G_IO_ERROR_DESTINATION_UNSET);
 #else
     g_assert_error (error, G_IO_ERROR, G_IO_ERROR_NOT_CONNECTED);
 #endif