[trace] bugfix, do not try to declare a NULL category

[simgrid.git] / src / instr / instr_interface.c

diff --git a/src/instr/instr_interface.c b/src/instr/instr_interface.c
index 7dc439d..263f3c6 100644 (file)
--- a/src/instr/instr_interface.c
+++ b/src/instr/instr_interface.c
@@ -12,8 +12,6 @@
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY (instr_api, instr, "API");
 
-xbt_dict_t created_categories;
-
 void TRACE_category(const char *category)
 {
   TRACE_category_with_color (category, NULL);
@@ -21,7 +19,7 @@ void TRACE_category(const char *category)
 
 void TRACE_category_with_color (const char *category, const char *color)
 {
-  if (!TRACE_is_active())
+  if (!(TRACE_is_active() && category != NULL))
     return;
 
   xbt_assert1 (instr_platform_traced(),