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