1 /* Obstack wrapper for GDB. 2 3 Copyright (C) 2002-2013 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) \ 28 (memset (obstack_alloc ((OBSTACK), sizeof (TYPE)), 0, sizeof (TYPE))) 29 30 #define OBSTACK_CALLOC(OBSTACK,NUMBER,TYPE) \ 31 (memset (obstack_alloc ((OBSTACK), (NUMBER) * sizeof (TYPE)), \ 32 0, (NUMBER) * sizeof (TYPE))) 33 34 /* Unless explicitly specified, GDB obstacks always use xmalloc() and 35 xfree(). */ 36 /* Note: ezannoni 2004-02-09: One could also specify the allocation 37 functions using a special init function for each obstack, 38 obstack_specify_allocation. However we just use obstack_init and 39 let these defines here do the job. While one could argue the 40 superiority of one approach over the other, we just chose one 41 throughout. */ 42 43 #define obstack_chunk_alloc xmalloc 44 #define obstack_chunk_free xfree 45 46 #define obstack_grow_str(OBSTACK,STRING) \ 47 obstack_grow (OBSTACK, STRING, strlen (STRING)) 48 #define obstack_grow_str0(OBSTACK,STRING) \ 49 obstack_grow0 (OBSTACK, STRING, strlen (STRING)) 50 51 #define obstack_grow_wstr(OBSTACK, WSTRING) \ 52 obstack_grow (OBSTACK, WSTRING, sizeof (gdb_wchar_t) * gdb_wcslen (WSTRING)) 53 54 /* Concatenate NULL terminated variable argument list of `const char 55 *' strings; return the new string. Space is found in the OBSTACKP. 56 Argument list must be terminated by a sentinel expression `(char *) 57 NULL'. */ 58 59 extern char *obconcat (struct obstack *obstackp, ...) ATTRIBUTE_SENTINEL; 60 61 #endif 62