/* Copyright (C) 2010 Monty Program Ab
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifdef HAVE_valgrind
#define IF_VALGRIND(A,B) A
#else
#define IF_VALGRIND(A,B) B
#endif
#if defined(HAVE_VALGRIND) && defined(HAVE_valgrind)
# include <valgrind/memcheck.h>
# define MEM_UNDEFINED(a,len) VALGRIND_MAKE_MEM_UNDEFINED(a,len)
# define MEM_NOACCESS(a,len) VALGRIND_MAKE_MEM_NOACCESS(a,len)
# define MEM_CHECK_ADDRESSABLE(a,len) VALGRIND_CHECK_MEM_IS_ADDRESSABLE(a,len)
# define MEM_CHECK_DEFINED(a,len) VALGRIND_CHECK_MEM_IS_DEFINED(a,len)
#else /* HAVE_VALGRIND */
# define MEM_UNDEFINED(a,len) ((void) 0)
# define MEM_NOACCESS(a,len) ((void) 0)
# define MEM_CHECK_ADDRESSABLE(a,len) ((void) 0)
# define MEM_CHECK_DEFINED(a,len) ((void) 0)
#endif /* HAVE_VALGRIND */
#ifndef DBUG_OFF
#define TRASH_FILL(A,B,C) do { const size_t trash_tmp= (B); memset(A, C, trash_tmp); MEM_UNDEFINED(A, trash_tmp); } while (0)
#else
#define TRASH_FILL(A,B,C) do{ const size_t trash_tmp __attribute__((unused)) = (B) ; MEM_CHECK_ADDRESSABLE(A,trash_tmp);MEM_UNDEFINED(A,trash_tmp);} while (0)
#endif
#define TRASH_ALLOC(A,B) TRASH_FILL(A,B,0xA5)
#define TRASH_FREE(A,B) TRASH_FILL(A,B,0x8F)
#define TRASH(A,B) TRASH_FREE(A,B)
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