/*
   (c) Copyright 2000-2002  convergence integrated media GmbH.
   (c) Copyright 2002       convergence GmbH.
   
   All rights reserved.

   Written by Denis Oliver Kropp <dok@directfb.org>,
              Andreas Hundt <andi@fischlustig.de> and
              Sven Neumann <sven@convergence.de>.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the
   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
*/

#ifndef __MISC__MEM_H__
#define __MISC__MEM_H__

#include <config.h>

#ifdef __linux__
#include <asm/page.h>
#endif

#include <stdlib.h>
#include <string.h>

#ifndef PAGE_SIZE
#ifdef _SC_PAGE_SIZE
#define PAGE_SIZE     (sysconf( _SC_PAGE_SIZE ))
#else
#define PAGE_SIZE     4096  /* FIXME: do not guess */
#endif
#endif

#define PAGE_ALIGN(x) ((((x) + PAGE_SIZE - 1) / PAGE_SIZE) * PAGE_SIZE)

#ifdef DFB_DEBUG

void  dfb_dbg_print_memleaks();

void  dfb_dbg_free   ( char *file, int line,
                       char *func, char *what, void *mem );

void *dfb_dbg_malloc ( char *file, int line,
                       char *func, size_t bytes );

void *dfb_dbg_calloc ( char *file, int line,
                       char *func, size_t count, size_t bytes);

void *dfb_dbg_realloc( char *file, int line,
                       char *func, char *what, void *mem,
                       size_t bytes );

char *dfb_dbg_strdup ( char *file, int line,
                       char *func, const char *string );

#define DFBFREE(mem)           dfb_dbg_free( __FILE__, __LINE__, __FUNCTION__, \
                                         #mem,mem )
#define DFBMALLOC(bytes)       dfb_dbg_malloc( __FILE__, __LINE__, __FUNCTION__, \
                                           bytes )
#define DFBCALLOC(count,bytes) dfb_dbg_calloc( __FILE__, __LINE__, __FUNCTION__, \
                                           count, bytes )
#define DFBREALLOC(mem,bytes)  dfb_dbg_realloc( __FILE__, __LINE__, __FUNCTION__, \
                                            #mem, mem, bytes )
#define DFBSTRDUP(string)      dfb_dbg_strdup( __FILE__, __LINE__, __FUNCTION__, \
                                           string )

#else

#define DFBFREE     free
#define DFBMALLOC   malloc
#define DFBCALLOC   calloc
#define DFBREALLOC  realloc
#define DFBSTRDUP   strdup

#endif


#endif