Source code of Windows XP (NT5)
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89 lines
2.3 KiB

#include "precomp.h"
#pragma hdrstop
#ifdef DEBUG /*** THIS WHOLE FILE ***/
unsigned long g_BreakAlloc = (unsigned long)-1;
/* U P D A T E C R T D B G S E T T I N G S */
/*-------------------------------------------------------------------------
%%Function: UpdateCrtDbgSettings
Update the C runtime debug memory settings
-------------------------------------------------------------------------*/
VOID UpdateCrtDbgSettings(void)
{
#if 0
// This depends on the use of the debug c runtime library
int tmpFlag = _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG);
// Always enable memory leak checking debug spew
// tmpFlag |= _CRTDBG_LEAK_CHECK_DF;
// Release memory just like the retail version
tmpFlag &= ~_CRTDBG_DELAY_FREE_MEM_DF;
// Don't bother checking the entire heap
tmpFlag &= ~_CRTDBG_CHECK_ALWAYS_DF;
_CrtSetDbgFlag(tmpFlag);
#endif // 0
}
#if 0
int _cdecl MyAllocHook ( int allocType, void *userData,
size_t size, int blockType,
long requestNumber, const char *filename, int lineNumber )
{
char buf[256];
wsprintf(buf, "%s {%d}: %d bytes on line %d file %s\n\r",
allocType == _HOOK_ALLOC ? "ALLOC" :
( allocType == _HOOK_REALLOC ? "REALLOC" : "FREE" ),
requestNumber,
size, lineNumber, filename );
OutputDebugString(buf);
return TRUE;
}
#endif // 0
/* I N I T D E B U G M E M O R Y O P T I O N S */
/*-------------------------------------------------------------------------
%%Function: InitDebugMemoryOptions
Initilize the runtime memory
-------------------------------------------------------------------------*/
BOOL InitDebugMemoryOptions(void)
{
#if 0
// _asm int 3; chance to set _crtBreakAlloc - use debugger or uncomment
_CrtSetBreakAlloc(g_BreakAlloc);
UpdateCrtDbgSettings();
_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_WNDW); // create a message box on errors
{ // To track down memory leaks, set cAlloc to the allocation number
LONG cAlloc = 0; // Allocation number
if (0 != cAlloc)
_CrtSetBreakAlloc(cAlloc);
}
#ifdef MNMSRVC_SETALLOCHOOK
_CrtSetAllocHook ( MyAllocHook );
#endif // MNMSRVC_SETALLOCHOOK
#endif // 0
return TRUE;
}
VOID DumpMemoryLeaksAndBreak(void)
{
#if 0
if ( _CrtDumpMemoryLeaks() )
{
// _asm int 3; Uncomment to break after leak spew
}
#endif // 0
}
#endif /* DEBUG - whole file */