15796c8dcSSimon Schubert /* Obstack wrapper for GDB. 25796c8dcSSimon Schubert 3*c50c785cSJohn Marino Copyright (C) 2002, 2007, 2008, 2009, 2010, 2011 4*c50c785cSJohn Marino Free Software Foundation, Inc. 55796c8dcSSimon Schubert 65796c8dcSSimon Schubert This file is part of GDB. 75796c8dcSSimon Schubert 85796c8dcSSimon Schubert This program is free software; you can redistribute it and/or modify 95796c8dcSSimon Schubert it under the terms of the GNU General Public License as published by 105796c8dcSSimon Schubert the Free Software Foundation; either version 3 of the License, or 115796c8dcSSimon Schubert (at your option) any later version. 125796c8dcSSimon Schubert 135796c8dcSSimon Schubert This program is distributed in the hope that it will be useful, 145796c8dcSSimon Schubert but WITHOUT ANY WARRANTY; without even the implied warranty of 155796c8dcSSimon Schubert MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 165796c8dcSSimon Schubert GNU General Public License for more details. 175796c8dcSSimon Schubert 185796c8dcSSimon Schubert You should have received a copy of the GNU General Public License 195796c8dcSSimon Schubert along with this program. If not, see <http://www.gnu.org/licenses/>. */ 205796c8dcSSimon Schubert 215796c8dcSSimon Schubert #if !defined (GDB_OBSTACK_H) 225796c8dcSSimon Schubert #define GDB_OBSTACK_H 1 235796c8dcSSimon Schubert 245796c8dcSSimon Schubert #include "obstack.h" 255796c8dcSSimon Schubert 265796c8dcSSimon Schubert /* Utility macros - wrap obstack alloc into something more robust. */ 275796c8dcSSimon Schubert 28*c50c785cSJohn Marino #define OBSTACK_ZALLOC(OBSTACK,TYPE) \ 29*c50c785cSJohn Marino (memset (obstack_alloc ((OBSTACK), sizeof (TYPE)), 0, sizeof (TYPE))) 305796c8dcSSimon Schubert 31*c50c785cSJohn Marino #define OBSTACK_CALLOC(OBSTACK,NUMBER,TYPE) \ 32*c50c785cSJohn Marino (memset (obstack_alloc ((OBSTACK), (NUMBER) * sizeof (TYPE)), \ 33*c50c785cSJohn Marino 0, (NUMBER) * sizeof (TYPE))) 345796c8dcSSimon Schubert 355796c8dcSSimon Schubert /* Unless explicitly specified, GDB obstacks always use xmalloc() and 365796c8dcSSimon Schubert xfree(). */ 375796c8dcSSimon Schubert /* Note: ezannoni 2004-02-09: One could also specify the allocation 385796c8dcSSimon Schubert functions using a special init function for each obstack, 395796c8dcSSimon Schubert obstack_specify_allocation. However we just use obstack_init and 405796c8dcSSimon Schubert let these defines here do the job. While one could argue the 415796c8dcSSimon Schubert superiority of one approach over the other, we just chose one 425796c8dcSSimon Schubert throughout. */ 435796c8dcSSimon Schubert 445796c8dcSSimon Schubert #define obstack_chunk_alloc xmalloc 455796c8dcSSimon Schubert #define obstack_chunk_free xfree 465796c8dcSSimon Schubert 475796c8dcSSimon Schubert #define obstack_grow_str(OBSTACK,STRING) \ 485796c8dcSSimon Schubert obstack_grow (OBSTACK, STRING, strlen (STRING)) 495796c8dcSSimon Schubert #define obstack_grow_str0(OBSTACK,STRING) \ 505796c8dcSSimon Schubert obstack_grow0 (OBSTACK, STRING, strlen (STRING)) 515796c8dcSSimon Schubert 525796c8dcSSimon Schubert #define obstack_grow_wstr(OBSTACK, WSTRING) \ 535796c8dcSSimon Schubert obstack_grow (OBSTACK, WSTRING, sizeof (gdb_wchar_t) * gdb_wcslen (WSTRING)) 545796c8dcSSimon Schubert 555796c8dcSSimon Schubert #endif 56