Add a few checks to ensure that MPI_INIT(NULL, NULL) and

MPI_INIT_THREAD(NULL, NULL, ...) will work properly.

This commit was SVN r2362.

src/mpi/c/init.c

@@ -58,6 +58,10 @@ int MPI_Init(int *argc, char ***argv)
      little in this function as possible so that if it's profiled, we
      don't lose anything) */
 
-  err = ompi_mpi_init(*argc, *argv, required, &provided);
+  if (NULL != argc && NULL != argv) {
+      err = ompi_mpi_init(*argc, *argv, required, &provided);
+  } else {
+      err = ompi_mpi_init(NULL, NULL, required, &provided);
+  }
   OMPI_ERRHANDLER_RETURN(err, null, err, FUNC_NAME);
 }

src/mpi/c/init_thread.c

@@ -42,6 +42,10 @@ int MPI_Init_thread(int *argc, char ***argv, int required,
      little in this function as possible so that if it's profiled, we
      don't lose anything) */
 
-  err = ompi_mpi_init(*argc, *argv, required, provided);
+  if (NULL != argc && NULL != argv) {
+      err = ompi_mpi_init(*argc, *argv, required, provided);
+  } else {
+      err = ompi_mpi_init(NULL, NULL, required, provided);
+  }
   OMPI_ERRHANDLER_RETURN(err, null, err, FUNC_NAME);
 }

src/util/cmd_line.c

@@ -171,6 +171,12 @@ int ompi_cmd_line_parse(ompi_cmd_line_t *cmd, bool ignore_unknown,
     bool is_unknown;
     bool is_option;
 
+    /* Bozo check */
+
+    if (0 == argc || NULL == argv) {
+        return OMPI_SUCCESS;
+    }
+
     /* Thread serialization */
 
     ompi_mutex_lock(&cmd->lcl_mutex);