X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/23976cb525fd51c66ef8e1234cdc5626fca83990..4f566b4572ad07940ea23d86d4af4abeaed7b4c7:/examples/msg/trace-process-migration/trace-process-migration.c

diff --git a/examples/msg/trace-process-migration/trace-process-migration.c b/examples/msg/trace-process-migration/trace-process-migration.c
index fffb9c0e12..59d88a85d8 100644
--- a/examples/msg/trace-process-migration/trace-process-migration.c
+++ b/examples/msg/trace-process-migration/trace-process-migration.c
@@ -17,7 +17,8 @@ static int emigrant(int argc, char *argv[])
     MSG_task_receive(&(task), "master_mailbox");
     destination = (char*)MSG_task_get_data (task);
     MSG_task_destroy (task);
-    if (!destination) break; //there is no destination, die
+    if (destination == NULL)
+      break; //there is no destination, die
     MSG_process_migrate(MSG_process_self(), MSG_host_by_name(destination));
     MSG_process_sleep(2); // I am tired, have to sleep for 2 seconds
     free (destination);
@@ -28,8 +29,6 @@ static int emigrant(int argc, char *argv[])
 
 static int policeman(int argc, char *argv[])
 {
-  msg_task_t task = NULL;
-
   // I am the master of emigrant process,
   // I tell it where it must emigrate to.
   xbt_dynar_t destinations = xbt_dynar_new (sizeof(char*), &xbt_free_ref);
@@ -46,13 +45,12 @@ static int policeman(int argc, char *argv[])
   char *destination;
   unsigned int i;
   xbt_dynar_foreach(destinations, i, destination){
-    task = MSG_task_create("task", 0, 0, NULL);
-    if (destination){
+    msg_task_t task = MSG_task_create("task", 0, 0, NULL);
+    if (destination != NULL){
       MSG_task_set_data(task, xbt_strdup (destination));
     }
     MSG_task_set_category(task, "migration_order");
     MSG_task_send (task, "master_mailbox");
-    task = NULL;
   }
   xbt_dynar_free (&destinations);
   return 0;