automake commit without merge history

grub-core/kern/command.c

@@ -0,0 +1,58 @@
+/* command.c - support basic command */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/mm.h>
+#include <grub/command.h>
+
+grub_command_t grub_command_list;
+
+grub_command_t
+grub_register_command_prio (const char *name,
+			    grub_command_func_t func,
+			    const char *summary,
+			    const char *description,
+			    int prio)
+{
+  grub_command_t cmd;
+
+  cmd = (grub_command_t) grub_zalloc (sizeof (*cmd));
+  if (! cmd)
+    return 0;
+
+  cmd->name = name;
+  cmd->func = func;
+  cmd->summary = (summary) ? summary : "";
+  cmd->description = description;
+
+  cmd->flags = GRUB_COMMAND_FLAG_BOTH;
+  cmd->prio = prio;
+
+  grub_prio_list_insert (GRUB_AS_PRIO_LIST_P (&grub_command_list),
+			 GRUB_AS_PRIO_LIST (cmd));
+
+  return cmd;
+}
+
+void
+grub_unregister_command (grub_command_t cmd)
+{
+  grub_prio_list_remove (GRUB_AS_PRIO_LIST_P (&grub_command_list),
+			 GRUB_AS_PRIO_LIST (cmd));
+  grub_free (cmd);
+}