Segfault when opening profibus configurator with empty attr gsdfile fixed

profibus/changelog.txt

@@ -12,3 +12,4 @@
 070430 rk -           Changed status handling of Profibus slaves so that correct
                       view of the world is given.
 070518 rk -           Added io-method IoAgentSwap to keep driver initialized during warm restart.
+070601 cs -           Buxfix, opening Profibus Configurator with empty gsdfile attribute caused segfault.

profibus/lib/wb/src/wb_c_pb_dp_slave.cpp

 /* 
- * Proview   $Id: wb_c_pb_dp_slave.cpp,v 1.8 2007-01-04 08:44:02 claes Exp $
+ * Proview   $Id: wb_c_pb_dp_slave.cpp,v 1.9 2007-06-01 12:53:51 claes Exp $
  * Copyright (C) 2005 SSAB Oxelsund AB.
  *
  * This program is free software; you can redistribute it and/or 
@@ -481,7 +481,7 @@ pwr_tStatus pb_dp_slave_create_ctx( ldh_tSession ldhses, pwr_tAttrRef aref,
   if ( EVEN(sts)) return sts;
   if ( strcmp( gsdfile, "") == 0) {
     free( gsdfile);  
-    return 1;
+    return PB__GSDATTR;
   }
 
   slave_sCtx *ctx = (slave_sCtx *) calloc( 1, sizeof(slave_sCtx));

profibus/lib/xtt/src/xtt_c_pb_dp_slave.cpp

 /* 
- * Proview   $Id: xtt_c_pb_dp_slave.cpp,v 1.4 2007-01-04 08:44:40 claes Exp $
+ * Proview   $Id: xtt_c_pb_dp_slave.cpp,v 1.5 2007-06-01 12:53:51 claes Exp $
  * Copyright (C) 2005 SSAB Oxelsund AB.
  *
  * This program is free software; you can redistribute it and/or 
@@ -32,6 +32,7 @@
 #include "rt_pb_gsd.h"
 #include "rt_pb_gsd_attr.h"
 #include "xtt_c_pb_dp_slave.h"
+#include "rt_pb_msg.h"
 
 int xtt_pb_dp_slave_help_cb( void *sctx, char *text)
 {
@@ -175,7 +176,7 @@ pwr_tStatus xtt_pb_dp_slave_create_ctx( pwr_tAttrRef aref, void *editor_ctx,
   sts = gdh_GetObjectInfoAttrref( &aaref, gsdfile, sizeof(gsdfile));
   if ( EVEN(sts)) return sts;
   if ( strcmp( gsdfile, "") == 0) {
-    return 1;
+    return PB__GSDATTR;
   }
 
   xtt_slave_sCtx *ctx = (xtt_slave_sCtx *) calloc( 1, sizeof(xtt_slave_sCtx));