1 /* Obstack wrapper for GDB. 2 3 Copyright (C) 2002, 2007, 2008, 2009, 2010, 2011 4 Free Software Foundation, Inc. 5 6 This file is part of GDB. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 20 21 #if !defined (GDB_OBSTACK_H) 22 #define GDB_OBSTACK_H 1 23 24 #include "obstack.h" 25 26 /* Utility macros - wrap obstack alloc into something more robust. */ 27 28 #define OBSTACK_ZALLOC(OBSTACK,TYPE) \ 29 (memset (obstack_alloc ((OBSTACK), sizeof (TYPE)), 0, sizeof (TYPE))) 30 31 #define OBSTACK_CALLOC(OBSTACK,NUMBER,TYPE) \ 32 (memset (obstack_alloc ((OBSTACK), (NUMBER) * sizeof (TYPE)), \ 33 0, (NUMBER) * sizeof (TYPE))) 34 35 /* Unless explicitly specified, GDB obstacks always use xmalloc() and 36 xfree(). */ 37 /* Note: ezannoni 2004-02-09: One could also specify the allocation 38 functions using a special init function for each obstack, 39 obstack_specify_allocation. However we just use obstack_init and 40 let these defines here do the job. While one could argue the 41 superiority of one approach over the other, we just chose one 42 throughout. */ 43 44 #define obstack_chunk_alloc xmalloc 45 #define obstack_chunk_free xfree 46 47 #define obstack_grow_str(OBSTACK,STRING) \ 48 obstack_grow (OBSTACK, STRING, strlen (STRING)) 49 #define obstack_grow_str0(OBSTACK,STRING) \ 50 obstack_grow0 (OBSTACK, STRING, strlen (STRING)) 51 52 #define obstack_grow_wstr(OBSTACK, WSTRING) \ 53 obstack_grow (OBSTACK, WSTRING, sizeof (gdb_wchar_t) * gdb_wcslen (WSTRING)) 54 55 #endif 56