memory.h

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00001 /***************************************************************************
00002  $RCSfile: memory.h,v $
00003  -------------------
00004  cvs         : $Id: memory.h,v 1.5 2004/05/05 14:23:33 aquamaniac Exp $
00005  begin       : Sat Jun 28 2003
00006  copyright   : (C) 2003 by Martin Preuss
00007  email       : martin@libchipcard.de
00008 
00009  ***************************************************************************
00010  *                                                                         *
00011  *   This library is free software; you can redistribute it and/or         *
00012  *   modify it under the terms of the GNU Lesser General Public            *
00013  *   License as published by the Free Software Foundation; either          *
00014  *   version 2.1 of the License, or (at your option) any later version.    *
00015  *                                                                         *
00016  *   This library is distributed in the hope that it will be useful,       *
00017  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00018  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00019  *   Lesser General Public License for more details.                       *
00020  *                                                                         *
00021  *   You should have received a copy of the GNU Lesser General Public      *
00022  *   License along with this library; if not, write to the Free Software   *
00023  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
00024  *   MA  02111-1307  USA                                                   *
00025  *                                                                         *
00026  ***************************************************************************/
00027 
00028 
00029 #ifndef GWENHYWFAR_MEMORY_H
00030 #define GWENHYWFAR_MEMORY_H
00031 
00032 #include <gwenhywfar/gwenhywfarapi.h>
00033 #include <gwenhywfar/types.h>
00034 #include <gwenhywfar/error.h>
00035 #include <stdio.h>
00036 #include <stdlib.h>
00037 #include <string.h>
00038 #include <assert.h>
00039 
00040 
00041 
00042 #ifdef __cplusplus
00043 extern "C" {
00044 #endif
00045 
00046 
00047   /* this is taken from the system header file assert.h and
00048    * and modified by me (Martin Preuss).
00049    */
00050 # if defined __cplusplus ? __GNUC_PREREQ (2, 6) : __GNUC_PREREQ (2, 4)
00051 #   define GWEN_LOCATION_FUNCTION       __PRETTY_FUNCTION__
00052 # else
00053 #  if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
00054 #   define GWEN_LOCATION_FUNCTION       __func__
00055 #  else
00056 #   define GWEN_LOCATION_FUNCTION       ((__const char *) "unknown function")
00057 #  endif
00058 # endif
00059 
00060 
00061   GWENHYWFAR_API 
00062   GWEN_ERRORCODE GWEN_Memory_ModuleInit();
00063 
00064   GWENHYWFAR_API 
00065   GWEN_ERRORCODE GWEN_Memory_ModuleFini();
00066 
00067   GWENHYWFAR_API 
00068   void GWEN_Memory_Report();
00069 
00070 
00071   GWENHYWFAR_API 
00072   void *GWEN_Memory_NewObject(void *p,
00073                               const char *typeName,
00074                               const char *function,
00075                               const char *file,
00076                               int line);
00077 
00078   GWENHYWFAR_API 
00079   void GWEN_Memory_FreeObject(void *object,
00080                               const char *function,
00081                               const char *file,
00082                               int line);
00083 
00084   GWENHYWFAR_API 
00085   void GWEN_Memory_AttachObject(void *object,
00086                                 const char *function,
00087                                 const char *file,
00088                                 int line);
00089 
00090 
00091 
00092 #define GWEN_NEW_OBJECT(typ, varname) \
00093   varname=(typ*)malloc(sizeof(typ));\
00094   assert(varname); \
00095   memset((void*)varname, 0, sizeof(typ));
00096 
00097 #define GWEN_FREE_OBJECT(varname) \
00098   free(varname)
00099 
00100 
00101 #define GWEN_NEW(typ, function) \
00102   ((typ*)GWEN_Memory_NewObject(function,\
00103   __STRING(typ),\
00104   GWEN_LOCATION_FUNCTION, \
00105   __FILE__,\
00106   __LINE__))
00107 
00108 #define GWEN_FREE(varname) \
00109   GWEN_Memory_FreeObject((void*)varname,\
00110   GWEN_LOCATION_FUNCTION,\
00111   __FILE__,\
00112   __LINE__)
00113 
00114 #define GWEN_ATTACH(varname) \
00115   GWEN_Memory_AttachObject((void*)varname,\
00116   GWEN_LOCATION_FUNCTION,\
00117   __FILE__,\
00118   __LINE__)
00119 
00120 
00121 #ifdef __cplusplus
00122 }
00123 #endif
00124 
00125 
00126 #endif /* GWENHYWFAR_MEMORY_H */
00127 

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