GDB (xrefs)
/tmp/gdb-7.10/gdb/gdb_obstack.h
Go to the documentation of this file.
1 /* Obstack wrapper for GDB.
2 
3  Copyright (C) 2002-2015 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) \
28  ((TYPE *) memset (obstack_alloc ((OBSTACK), sizeof (TYPE)), 0, sizeof (TYPE)))
29 
30 #define OBSTACK_CALLOC(OBSTACK,NUMBER,TYPE) \
31  ((TYPE *) memset (obstack_alloc ((OBSTACK), (NUMBER) * sizeof (TYPE)), \
32  0, (NUMBER) * sizeof (TYPE)))
33 
34 /* Unless explicitly specified, GDB obstacks always use xmalloc() and
35  xfree(). */
36 /* Note: ezannoni 2004-02-09: One could also specify the allocation
37  functions using a special init function for each obstack,
38  obstack_specify_allocation. However we just use obstack_init and
39  let these defines here do the job. While one could argue the
40  superiority of one approach over the other, we just chose one
41  throughout. */
42 
43 #define obstack_chunk_alloc xmalloc
44 #define obstack_chunk_free xfree
45 
46 #define obstack_grow_str(OBSTACK,STRING) \
47  obstack_grow (OBSTACK, STRING, strlen (STRING))
48 #define obstack_grow_str0(OBSTACK,STRING) \
49  obstack_grow0 (OBSTACK, STRING, strlen (STRING))
50 
51 #define obstack_grow_wstr(OBSTACK, WSTRING) \
52  obstack_grow (OBSTACK, WSTRING, sizeof (gdb_wchar_t) * gdb_wcslen (WSTRING))
53 
54 /* Concatenate NULL terminated variable argument list of `const char
55  *' strings; return the new string. Space is found in the OBSTACKP.
56  Argument list must be terminated by a sentinel expression `(char *)
57  NULL'. */
58 
59 extern char *obconcat (struct obstack *obstackp, ...) ATTRIBUTE_SENTINEL;
60 
61 #endif
char * obconcat(struct obstack *obstackp,...) ATTRIBUTE_SENTINEL
Definition: gdb_obstack.c:29