gdb/gdb_obstack.h - gdb

Macros defined

Source code

  1. /* Obstack wrapper for GDB.

  3.    Copyright (C) 2002-2015 Free Software Foundation, Inc.

  5.    This file is part of GDB.

  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.

  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.

  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/>.  */

  20. #if !defined (GDB_OBSTACK_H)
  21. ‌#define GDB_OBSTACK_H 1

  23. #include "obstack.h"

  25. /* Utility macros - wrap obstack alloc into something more robust.  */

  27. ‌#define OBSTACK_ZALLOC(OBSTACK,TYPE) \
  28.   ((TYPE *) memset (obstack_alloc ((OBSTACK), sizeof (TYPE)), 0, sizeof (TYPE)))

  30. ‌#define OBSTACK_CALLOC(OBSTACK,NUMBER,TYPE) \
  31.   ((TYPE *) memset (obstack_alloc ((OBSTACK), (NUMBER) * sizeof (TYPE)), \
  32.                     0, (NUMBER) * sizeof (TYPE)))

  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.  */

  43. ‌#define obstack_chunk_alloc xmalloc
  44. ‌#define obstack_chunk_free xfree

  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))

  51. ‌#define obstack_grow_wstr(OBSTACK, WSTRING) \
  52.   obstack_grow (OBSTACK, WSTRING, sizeof (gdb_wchar_t) * gdb_wcslen (WSTRING))

  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'.  */

  59. extern char *obconcat (struct obstack *obstackp, ...) ATTRIBUTE_SENTINEL;

  61. #endif