1/* Obstack wrapper for GDB.
2
3   Copyright 2002 Free Software Foundation, Inc.
4
5   This file is part of GDB.
6
7   This program is free software; you can redistribute it and/or modify
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 2 of the License, or
10   (at your option) any later version.
11
12   This program is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with this program; if not, write to the Free Software
19   Foundation, Inc., 59 Temple Place - Suite 330,
20   Boston, MA 02111-1307, USA.  */
21
22#if !defined (GDB_OBSTACK_H)
23#define GDB_OBSTACK_H 1
24
25#include "obstack.h"
26
27/* Utility macros - wrap obstack alloc into something more robust.  */
28
29#define OBSTACK_ZALLOC(OBSTACK,TYPE) (memset (obstack_alloc ((OBSTACK), sizeof (TYPE)), 0, sizeof (TYPE)))
30
31#define OBSTACK_CALLOC(OBSTACK,NUMBER,TYPE) (memset (obstack_alloc ((OBSTACK), (NUMBER) * sizeof (TYPE)), 0, (NUMBER) * sizeof (TYPE)))
32
33/* Unless explicitly specified, GDB obstacks always use xmalloc() and
34   xfree().  */
35/* Note: ezannoni 2004-02-09: One could also specify the allocation
36   functions using a special init function for each obstack,
37   obstack_specify_allocation.  However we just use obstack_init and
38   let these defines here do the job.  While one could argue the
39   superiority of one approach over the other, we just chose one
40   throughout.  */
41
42#define obstack_chunk_alloc xmalloc
43#define obstack_chunk_free xfree
44
45#endif
46