/* Obstack wrapper for GDB.
- Copyright (C) 2002-2015 Free Software Foundation, Inc.
+ Copyright (C) 2002-2017 Free Software Foundation, Inc.
This file is part of GDB.
extern char *obconcat (struct obstack *obstackp, ...) ATTRIBUTE_SENTINEL;
+/* Duplicate STRING, returning an equivalent string that's allocated on the
+ obstack OBSTACKP. */
+
+extern char *obstack_strdup (struct obstack *obstackp, const char *string);
+
+/* An obstack that frees itself on scope exit. */
+struct auto_obstack : obstack
+{
+ auto_obstack ()
+ { obstack_init (this); }
+
+ ~auto_obstack ()
+ { obstack_free (this, NULL); }
+
+ /* Free all memory in the obstack but leave it valid for further
+ allocation. */
+ void clear ()
+ { obstack_free (this, obstack_base (this)); }
+};
+
#endif