1 /* Obstack wrapper for GDB.
3 Copyright (C) 2002, 2007, 2008, 2009, 2010, 2011
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 #if !defined (GDB_OBSTACK_H)
22 #define GDB_OBSTACK_H 1
26 /* Utility macros - wrap obstack alloc into something more robust. */
28 #define OBSTACK_ZALLOC(OBSTACK,TYPE) \
29 (memset (obstack_alloc ((OBSTACK), sizeof (TYPE)), 0, sizeof (TYPE)))
31 #define OBSTACK_CALLOC(OBSTACK,NUMBER,TYPE) \
32 (memset (obstack_alloc ((OBSTACK), (NUMBER) * sizeof (TYPE)), \
33 0, (NUMBER) * sizeof (TYPE)))
35 /* Unless explicitly specified, GDB obstacks always use xmalloc() and
37 /* Note: ezannoni 2004-02-09: One could also specify the allocation
38 functions using a special init function for each obstack,
39 obstack_specify_allocation. However we just use obstack_init and
40 let these defines here do the job. While one could argue the
41 superiority of one approach over the other, we just chose one
44 #define obstack_chunk_alloc xmalloc
45 #define obstack_chunk_free xfree
47 #define obstack_grow_str(OBSTACK,STRING) \
48 obstack_grow (OBSTACK, STRING, strlen (STRING))
49 #define obstack_grow_str0(OBSTACK,STRING) \
50 obstack_grow0 (OBSTACK, STRING, strlen (STRING))
52 #define obstack_grow_wstr(OBSTACK, WSTRING) \
53 obstack_grow (OBSTACK, WSTRING, sizeof (gdb_wchar_t) * gdb_wcslen (WSTRING))