1 /* Obstack wrapper for GDB. 2 3 Copyright (C) 2002, 2007, 2008, 2009, 2010 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) (memset (obstack_alloc ((OBSTACK), sizeof (TYPE)), 0, sizeof (TYPE))) 28 29 #define OBSTACK_CALLOC(OBSTACK,NUMBER,TYPE) (memset (obstack_alloc ((OBSTACK), (NUMBER) * sizeof (TYPE)), 0, (NUMBER) * sizeof (TYPE))) 30 31 /* Unless explicitly specified, GDB obstacks always use xmalloc() and 32 xfree(). */ 33 /* Note: ezannoni 2004-02-09: One could also specify the allocation 34 functions using a special init function for each obstack, 35 obstack_specify_allocation. However we just use obstack_init and 36 let these defines here do the job. While one could argue the 37 superiority of one approach over the other, we just chose one 38 throughout. */ 39 40 #define obstack_chunk_alloc xmalloc 41 #define obstack_chunk_free xfree 42 43 #define obstack_grow_str(OBSTACK,STRING) \ 44 obstack_grow (OBSTACK, STRING, strlen (STRING)) 45 #define obstack_grow_str0(OBSTACK,STRING) \ 46 obstack_grow0 (OBSTACK, STRING, strlen (STRING)) 47 48 #define obstack_grow_wstr(OBSTACK, WSTRING) \ 49 obstack_grow (OBSTACK, WSTRING, sizeof (gdb_wchar_t) * gdb_wcslen (WSTRING)) 50 51 #endif 52