remove a few smells in instrumentation

[simgrid.git] / src / instr / instr_resource_utilization.cpp

diff --git a/src/instr/instr_resource_utilization.cpp b/src/instr/instr_resource_utilization.cpp
index 42012ec..29e3620 100644 (file)
--- a/src/instr/instr_resource_utilization.cpp
+++ b/src/instr/instr_resource_utilization.cpp
@@ -21,16 +21,14 @@ static void __TRACE_surf_check_variable_set_to_zero(double now, const char *vari
    */
 
   // create a key considering the resource and variable
-  int n = strlen(variable)+strlen(resource)+1;
-  char *key = (char*)xbt_malloc(n*sizeof(char));
-  snprintf (key, n, "%s%s", resource, variable);
+  char *key = bprintf ("%s%s", resource, variable);
 
   // check if key exists: if it doesn't, set the variable to zero and mark this in the dict
   if (!xbt_dict_get_or_null(platform_variables, key)) {
     container_t container = PJ_container_get (resource);
     type_t type = PJ_type_get (variable, container->type);
     new_pajeSetVariable (now, container, type, 0);
-    xbt_dict_set(platform_variables, key, (char*)"", NULL);
+    xbt_dict_set(platform_variables, key, (char*)"", nullptr);
   }
   xbt_free(key);
 }
@@ -107,7 +105,7 @@ void TRACE_surf_host_set_utilization(const char *resource, const char *category,
 
 void TRACE_surf_resource_utilization_alloc()
 {
-  platform_variables = xbt_dict_new_homogeneous(NULL);
+  platform_variables = xbt_dict_new_homogeneous(nullptr);
 }
 
 void TRACE_surf_resource_utilization_release()