headers/libs/agg/dbg_new/agg_dbg_new.h

   1 //----------------------------------------------------------------------------
   2 // Anti-Grain Geometry - Version 2.2
   3 // Copyright (C) 2002-2004 Maxim Shemanarev (http://www.antigrain.com)
   4 //
   5 // Permission to copy, use, modify, sell and distribute this software
   6 // is granted provided this copyright notice appears in all copies.
   7 // This software is provided "as is" without express or implied
   8 // warranty, and with no claim as to its suitability for any purpose.
   9 //
  10 //----------------------------------------------------------------------------
  11 // Contact: mcseem@antigrain.com
  12 //          mcseemagg@yahoo.com
  13 //          http://www.antigrain.com
  14 //----------------------------------------------------------------------------
  15 //
  16 // Debuging stuff for catching memory leaks and corruptions
  17 //
  18 //----------------------------------------------------------------------------
  19 #ifndef AGG_DBG_NEW_INCLUDED
  20 #define AGG_DBG_NEW_INCLUDED
  21
  22 #ifdef _WIN32
  23 #include <stdio.h>
  24 #include <stdarg.h>
  25 #endif
  26
  27 //#define AGG_DBG_NEW_CHECK_ADDR
  28
  29 void* operator new (unsigned size, const char* file, int line);
  30 void* operator new [] (unsigned size, const char* file, int line);
  31 #define AGG_DBG_NEW_OPERATOR new(__FILE__, __LINE__)
  32
  33 void  operator delete(void *ptr) throw();
  34 void  operator delete [] (void *ptr) throw();
  35
  36 namespace agg
  37 {
  38     #ifdef _WIN32
  39     inline void printf(char* fmt, ...)
  40     {
  41        FILE* fd = fopen("stdout.txt", "at");
  42        static char msg[1024];
  43        va_list arg;
  44        va_start(arg, fmt);
  45        vsprintf(msg, fmt, arg);
  46        va_end(arg);
  47        fputs(msg, fd);
  48        fclose(fd);
  49     }
  50     #endif
  51
  52     enum { max_dbg_new_level = 32   };
  53
  54 #ifdef AGG_DBG_NEW_CHECK_ADDR
  55     enum { max_allocations   = 4096 };
  56 #endif
  57
  58     // All you need to watch for memory in heap is to declare an object
  59     // of this class in your main() or whatever function you need.
  60     // It will report you about all bad things happend to new/delete.
  61     // Try not to exceed the maximal nested level of declared watchdoggies
  62     // (max_dbg_new_level)
  63     class watchdoggy
  64     {
  65     public:
  66         watchdoggy(const char* file=0, int line=0, bool report_all=false);
  67         ~watchdoggy();
  68     };
  69 }
  70
  71 #define AGG_WATCHDOGGY(name, report_all) \
  72     agg::watchdoggy name(__FILE__, __LINE__, report_all);
  73 #endif
  74
  75 #ifdef new
  76 #undef new
  77 #endif
  78 #define new AGG_DBG_NEW_OPERATOR
  79