1 // Makros zum Aufspüren von MemoryLeaks
    2 
    3 #ifndef _XCTL_CHECKMEMORY_H_
    4 #define _XCTL_CHECKMEMORY_H_
    5 
    6 #include <crtdbg.h>
    7 
    8 
    9 //Memory states
   10 _CrtMemState s1, s2, s3;
   11 
   12 
   13 // This routine place comments at the head of a section of debug output
   14 void OutputHeading( const char *explanation )
   15 {
   16    _RPT1( _CRT_WARN, "\n\n-----%s----------------------------------------\n", explanation );
   17 }
   18 
   19 // This routine place an end-comment at the head of a section of debug output
   20 void OutputEnd()
   21 {
   22    _RPT0( _CRT_WARN, "\n---------------------------------------------\n\n");
   23 }
   24 
   25 // This routine checks memory and place comments at the head of a section of debug output
   26 void CheckMemory(const char *explanation)
   27 {
   28         OutputHeading(explanation);
   29         _CrtDumpMemoryLeaks();
   30         OutputEnd();
   31 }
   32 
   33 // This routine saves pre-execution memory state
   34 void SavePreState()
   35 {
   36         _CrtMemCheckpoint(&s1);
   37 }
   38 
   39 // This routine saves post-execution memory state
   40 void SavePostState()
   41 {
   42         _CrtMemCheckpoint(&s2);
   43 }
   44 
   45 // This routine dumps difference between pre- and post-execution memory state
   46 void DumpMemoryState(const char *explanation)
   47 {
   48         if (_CrtMemDifference(&s3,&s1,&s2))
   49         {
   50                 OutputHeading(explanation);
   51                 _CrtMemDumpStatistics( &s3 );
   52                 OutputEnd();
   53         }
   54 }
   55 
   56 // This routine dumps all objects instantiated since pre-execution memory state
   57 void DumpMemoryObjects(const char *explanation)
   58 {
   59         OutputHeading(explanation);
   60         _CrtMemDumpAllObjectsSince( &s1);
   61         OutputEnd();
   62 }
   63 
   64 
   65 //
   66 #ifdef _DEBUG
   67 #define CHECKMEM(a) CheckMemory(a)
   68 #define PRE SavePreState()
   69 #define POST SavePostState()
   70 #define DUMPDIFF(a) DumpMemoryState(a)
   71 #define DUMPMEM(a) DumpMemoryObjects(a)
   72 #else
   73 #define CHECKMEM(a)
   74 #define PRE
   75 #define POST
   76 #define DUMPDIFF(a)
   77 #define DUMPMEM(a)
   78 #endif //_DEBUG
   79 
   80 #endif //_XCTL_CHECKMEMORY_H_
   81 
   82