Add/update copyright notices.

[simgrid.git] / src / xbt / backtrace_windows.c

diff --git a/src/xbt/backtrace_windows.c b/src/xbt/backtrace_windows.c
index 0b2167c..0953a8d 100644 (file)
--- a/src/xbt/backtrace_windows.c
+++ b/src/xbt/backtrace_windows.c
@@ -1,7 +1,7 @@
 /* backtrace_windows - backtrace displaying on windows platform             */
 /* This file is included by ex.c on need (windows x86)                      */
 
-/* Copyright (c) 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2008-2014. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -179,16 +179,16 @@ void xbt_ex_setup_backtrace(xbt_ex_t * e)
   int i;
   char **backtrace_syms;
 
-  xbt_assert(e
-              && e->used,
-              "Backtrace not setup yet, cannot set it up for display");
+  xbt_assert(e, "Backtrace not setup yet, cannot set it up for display");
+
+  if (!e->used)
+    return;
 
   backtrace_syms = backtrace_symbols(e->bt, e->used);
   e->bt_strings = NULL;
   /* parse the output and build a new backtrace */
   e->bt_strings = xbt_new(char *, e->used);
 
-
   for (i = 0; i < e->used; i++)
     e->bt_strings[i] = backtrace_syms[i];