15796c8dcSSimon Schubert /* Obstack wrapper for GDB. 25796c8dcSSimon Schubert 3*ef5ccd6cSJohn Marino Copyright (C) 2002-2013 Free Software Foundation, Inc. 45796c8dcSSimon Schubert 55796c8dcSSimon Schubert This file is part of GDB. 65796c8dcSSimon Schubert 75796c8dcSSimon Schubert This program is free software; you can redistribute it and/or modify 85796c8dcSSimon Schubert it under the terms of the GNU General Public License as published by 95796c8dcSSimon Schubert the Free Software Foundation; either version 3 of the License, or 105796c8dcSSimon Schubert (at your option) any later version. 115796c8dcSSimon Schubert 125796c8dcSSimon Schubert This program is distributed in the hope that it will be useful, 135796c8dcSSimon Schubert but WITHOUT ANY WARRANTY; without even the implied warranty of 145796c8dcSSimon Schubert MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 155796c8dcSSimon Schubert GNU General Public License for more details. 165796c8dcSSimon Schubert 175796c8dcSSimon Schubert You should have received a copy of the GNU General Public License 185796c8dcSSimon Schubert along with this program. If not, see <http://www.gnu.org/licenses/>. */ 195796c8dcSSimon Schubert 205796c8dcSSimon Schubert #if !defined (GDB_OBSTACK_H) 215796c8dcSSimon Schubert #define GDB_OBSTACK_H 1 225796c8dcSSimon Schubert 235796c8dcSSimon Schubert #include "obstack.h" 245796c8dcSSimon Schubert 255796c8dcSSimon Schubert /* Utility macros - wrap obstack alloc into something more robust. */ 265796c8dcSSimon Schubert 27c50c785cSJohn Marino #define OBSTACK_ZALLOC(OBSTACK,TYPE) \ 28c50c785cSJohn Marino (memset (obstack_alloc ((OBSTACK), sizeof (TYPE)), 0, sizeof (TYPE))) 295796c8dcSSimon Schubert 30c50c785cSJohn Marino #define OBSTACK_CALLOC(OBSTACK,NUMBER,TYPE) \ 31c50c785cSJohn Marino (memset (obstack_alloc ((OBSTACK), (NUMBER) * sizeof (TYPE)), \ 32c50c785cSJohn Marino 0, (NUMBER) * sizeof (TYPE))) 335796c8dcSSimon Schubert 345796c8dcSSimon Schubert /* Unless explicitly specified, GDB obstacks always use xmalloc() and 355796c8dcSSimon Schubert xfree(). */ 365796c8dcSSimon Schubert /* Note: ezannoni 2004-02-09: One could also specify the allocation 375796c8dcSSimon Schubert functions using a special init function for each obstack, 385796c8dcSSimon Schubert obstack_specify_allocation. However we just use obstack_init and 395796c8dcSSimon Schubert let these defines here do the job. While one could argue the 405796c8dcSSimon Schubert superiority of one approach over the other, we just chose one 415796c8dcSSimon Schubert throughout. */ 425796c8dcSSimon Schubert 435796c8dcSSimon Schubert #define obstack_chunk_alloc xmalloc 445796c8dcSSimon Schubert #define obstack_chunk_free xfree 455796c8dcSSimon Schubert 465796c8dcSSimon Schubert #define obstack_grow_str(OBSTACK,STRING) \ 475796c8dcSSimon Schubert obstack_grow (OBSTACK, STRING, strlen (STRING)) 485796c8dcSSimon Schubert #define obstack_grow_str0(OBSTACK,STRING) \ 495796c8dcSSimon Schubert obstack_grow0 (OBSTACK, STRING, strlen (STRING)) 505796c8dcSSimon Schubert 515796c8dcSSimon Schubert #define obstack_grow_wstr(OBSTACK, WSTRING) \ 525796c8dcSSimon Schubert obstack_grow (OBSTACK, WSTRING, sizeof (gdb_wchar_t) * gdb_wcslen (WSTRING)) 535796c8dcSSimon Schubert 54*ef5ccd6cSJohn Marino /* Concatenate NULL terminated variable argument list of `const char 55*ef5ccd6cSJohn Marino *' strings; return the new string. Space is found in the OBSTACKP. 56*ef5ccd6cSJohn Marino Argument list must be terminated by a sentinel expression `(char *) 57*ef5ccd6cSJohn Marino NULL'. */ 58*ef5ccd6cSJohn Marino 59*ef5ccd6cSJohn Marino extern char *obconcat (struct obstack *obstackp, ...) ATTRIBUTE_SENTINEL; 60*ef5ccd6cSJohn Marino 615796c8dcSSimon Schubert #endif 62