1*5796c8dcSSimon Schubert /* Obstack wrapper for GDB. 2*5796c8dcSSimon Schubert 3*5796c8dcSSimon Schubert Copyright (C) 2002, 2007, 2008, 2009 Free Software Foundation, Inc. 4*5796c8dcSSimon Schubert 5*5796c8dcSSimon Schubert This file is part of GDB. 6*5796c8dcSSimon Schubert 7*5796c8dcSSimon Schubert This program is free software; you can redistribute it and/or modify 8*5796c8dcSSimon Schubert it under the terms of the GNU General Public License as published by 9*5796c8dcSSimon Schubert the Free Software Foundation; either version 3 of the License, or 10*5796c8dcSSimon Schubert (at your option) any later version. 11*5796c8dcSSimon Schubert 12*5796c8dcSSimon Schubert This program is distributed in the hope that it will be useful, 13*5796c8dcSSimon Schubert but WITHOUT ANY WARRANTY; without even the implied warranty of 14*5796c8dcSSimon Schubert MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15*5796c8dcSSimon Schubert GNU General Public License for more details. 16*5796c8dcSSimon Schubert 17*5796c8dcSSimon Schubert You should have received a copy of the GNU General Public License 18*5796c8dcSSimon Schubert along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19*5796c8dcSSimon Schubert 20*5796c8dcSSimon Schubert #if !defined (GDB_OBSTACK_H) 21*5796c8dcSSimon Schubert #define GDB_OBSTACK_H 1 22*5796c8dcSSimon Schubert 23*5796c8dcSSimon Schubert #include "obstack.h" 24*5796c8dcSSimon Schubert 25*5796c8dcSSimon Schubert /* Utility macros - wrap obstack alloc into something more robust. */ 26*5796c8dcSSimon Schubert 27*5796c8dcSSimon Schubert #define OBSTACK_ZALLOC(OBSTACK,TYPE) (memset (obstack_alloc ((OBSTACK), sizeof (TYPE)), 0, sizeof (TYPE))) 28*5796c8dcSSimon Schubert 29*5796c8dcSSimon Schubert #define OBSTACK_CALLOC(OBSTACK,NUMBER,TYPE) (memset (obstack_alloc ((OBSTACK), (NUMBER) * sizeof (TYPE)), 0, (NUMBER) * sizeof (TYPE))) 30*5796c8dcSSimon Schubert 31*5796c8dcSSimon Schubert /* Unless explicitly specified, GDB obstacks always use xmalloc() and 32*5796c8dcSSimon Schubert xfree(). */ 33*5796c8dcSSimon Schubert /* Note: ezannoni 2004-02-09: One could also specify the allocation 34*5796c8dcSSimon Schubert functions using a special init function for each obstack, 35*5796c8dcSSimon Schubert obstack_specify_allocation. However we just use obstack_init and 36*5796c8dcSSimon Schubert let these defines here do the job. While one could argue the 37*5796c8dcSSimon Schubert superiority of one approach over the other, we just chose one 38*5796c8dcSSimon Schubert throughout. */ 39*5796c8dcSSimon Schubert 40*5796c8dcSSimon Schubert #define obstack_chunk_alloc xmalloc 41*5796c8dcSSimon Schubert #define obstack_chunk_free xfree 42*5796c8dcSSimon Schubert 43*5796c8dcSSimon Schubert #define obstack_grow_str(OBSTACK,STRING) \ 44*5796c8dcSSimon Schubert obstack_grow (OBSTACK, STRING, strlen (STRING)) 45*5796c8dcSSimon Schubert #define obstack_grow_str0(OBSTACK,STRING) \ 46*5796c8dcSSimon Schubert obstack_grow0 (OBSTACK, STRING, strlen (STRING)) 47*5796c8dcSSimon Schubert 48*5796c8dcSSimon Schubert #define obstack_grow_wstr(OBSTACK, WSTRING) \ 49*5796c8dcSSimon Schubert obstack_grow (OBSTACK, WSTRING, sizeof (gdb_wchar_t) * gdb_wcslen (WSTRING)) 50*5796c8dcSSimon Schubert 51*5796c8dcSSimon Schubert #endif 52