1/* Obstack wrapper for GDB.
2
3   Copyright (C) 2002, 2007 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 3 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, see <http://www.gnu.org/licenses/>.  */
19
20#if !defined (GDB_OBSTACK_H)
21#define GDB_OBSTACK_H 1
22
23#include "obstack.h"
24
25/* Utility macros - wrap obstack alloc into something more robust.  */
26
27#define OBSTACK_ZALLOC(OBSTACK,TYPE) (memset (obstack_alloc ((OBSTACK), sizeof (TYPE)), 0, sizeof (TYPE)))
28
29#define OBSTACK_CALLOC(OBSTACK,NUMBER,TYPE) (memset (obstack_alloc ((OBSTACK), (NUMBER) * sizeof (TYPE)), 0, (NUMBER) * sizeof (TYPE)))
30
31/* Unless explicitly specified, GDB obstacks always use xmalloc() and
32   xfree().  */
33/* Note: ezannoni 2004-02-09: One could also specify the allocation
34   functions using a special init function for each obstack,
35   obstack_specify_allocation.  However we just use obstack_init and
36   let these defines here do the job.  While one could argue the
37   superiority of one approach over the other, we just chose one
38   throughout.  */
39
40#define obstack_chunk_alloc xmalloc
41#define obstack_chunk_free xfree
42
43#define obstack_grow_str(OBSTACK,STRING) \
44  obstack_grow (OBSTACK, STRING, strlen (STRING))
45#define obstack_grow_str0(OBSTACK,STRING) \
46  obstack_grow0 (OBSTACK, STRING, strlen (STRING))
47
48#endif
49