MPD
0.18.14
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00001 /* 00002 * Copyright (C) 2003-2011 The Music Player Daemon Project 00003 * http://www.musicpd.org 00004 * 00005 * This program is free software; you can redistribute it and/or modify 00006 * it under the terms of the GNU General Public License as published by 00007 * the Free Software Foundation; either version 2 of the License, or 00008 * (at your option) any later version. 00009 * 00010 * This program is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 * GNU General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License along 00016 * with this program; if not, write to the Free Software Foundation, Inc., 00017 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 00018 */ 00019 00020 #ifndef MPD_POISON_H 00021 #define MPD_POISON_H 00022 00023 #include "check.h" 00024 00025 #ifndef NDEBUG 00026 00027 #ifdef HAVE_VALGRIND_MEMCHECK_H 00028 #include <valgrind/memcheck.h> 00029 #endif 00030 00031 #include <string.h> 00032 #endif 00033 00040 static inline void 00041 poison_noaccess(void *p, size_t length) 00042 { 00043 #ifdef NDEBUG 00044 (void)p; 00045 (void)length; 00046 #else 00047 memset(p, 0x01, length); 00048 00049 #ifdef HAVE_VALGRIND_MEMCHECK_H 00050 (void)VALGRIND_MAKE_MEM_NOACCESS(p, length); 00051 #endif 00052 #endif 00053 } 00054 00061 static inline void 00062 poison_undefined(void *p, size_t length) 00063 { 00064 #ifdef NDEBUG 00065 (void)p; 00066 (void)length; 00067 #else 00068 memset(p, 0x02, length); 00069 00070 #ifdef HAVE_VALGRIND_MEMCHECK_H 00071 (void)VALGRIND_MAKE_MEM_UNDEFINED(p, length); 00072 #endif 00073 #endif 00074 } 00075 00076 00077 #endif