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/*****************************************************************************
* debug.h: vlc debug macros
* Stand alone file
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
* $Id: debug.h,v 1.8 2001/03/21 13:42:33 sam Exp $
*
* Authors: Benot Steiner <benny@via.ecp.fr>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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, USA.
*****************************************************************************/
/*****************************************************************************
* Required headers:
* - <string.h>
* - intf_msg.h
*****************************************************************************/
/*****************************************************************************
* ASSERT
*****************************************************************************
* This macro is used to test that a pointer is not nul. It insert the needed
* code when the program is compiled with the debug option, but does nothing
* in release program.
*****************************************************************************/
#ifdef DEBUG
#define ASSERT(p_Mem) \
if (!(p_Mem)) \
intf_ErrMsg("Void pointer error: " \
"%s line %d (variable %s at address %p)\n", \
__FILE__, __LINE__, #p_Mem, &p_Mem);
#else
#define ASSERT(p_Mem)
#endif
/*****************************************************************************
* RZERO
*****************************************************************************
* This macro is used to initialise a variable to 0. It is very useful when
* used with the ASSERT macro. It also only insert the needed code when the
* program is compiled with the debug option.
*****************************************************************************/
#ifdef DEBUG
#define RZERO(r_Var) \
bzero(&(r_Var), sizeof((r_Var)));
#else
#define RZERO(r_Var)
#endif
/*****************************************************************************
* PZERO
*****************************************************************************
* This macro is used to initiase the memory pointed out by a pointer to 0.
* It has the same purpose than RZERO, but for pointers.
*****************************************************************************/
/* It is already defined on BSD */
#ifndef PZERO
#ifdef DEBUG
#define PZERO(p_Mem) \
bzero((p_Mem), sizeof(*(p_Mem)));
#else
#define PZERO(p_Mem)
#endif
#endif
/*****************************************************************************
* AZERO
*****************************************************************************
* This macro is used to initiase an array of variables to 0.
* It has the same purpose than RZERO or PZERO, but for array
*****************************************************************************/
#ifdef DEBUG
#define AZERO(p_Array, i_Size) \
bzero((p_Array), (i_Size)*sizeof(*(p_Array)));
#else
#define ZERO(p_Array, i_Size)
#endif
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