Win32 메모리 누수(Leak) 체크

 

CheckLeak.h

#if defined(_DEBUG)
# include <crtdbg.h>
# if defined(malloc)
# undef malloc
# endif
# define malloc(s) (_malloc_dbg(s, _NORMAL_BLOCK, __FILE__, __LINE__ ))
# if defined(calloc)
# undef calloc
# endif
# define calloc(c, s) (_calloc_dbg(c, s, _NORMAL_BLOCK, __FILE__, __LINE__ ))
# if defined(realloc)
# undef realloc
# endif
# define realloc(p, s) (_realloc_dbg(p, s, _NORMAL_BLOCK, __FILE__, __LINE__ ))
# if defined(_expand)
# undef _expand
# endif
# define _expand(p, s) (_expand_dbg(p, s, _NORMAL_BLOCK, __FILE__, __LINE__  ))
# if defined(free)
# undef free
# endif
# define free(p) (_free_dbg(p, _NORMAL_BLOCK))
# if defined(_msize)
# undef _msize
# endif
# define _msize(p) (_msize_dbg(p, _NORMAL_BLOCK))
# define new new( _NORMAL_BLOCK, __FILE__, __LINE__ )
class CheckMemoryLeakForWin32 {
public:
	CheckMemoryLeakForWin32() {
		_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
		// 중단점 트리거
		//_CrtSetBreakAlloc(2774);
	}
	~CheckMemoryLeakForWin32() {}
}CheckMemoryLeakForWin32;
#endif

Main.cpp

#include "CheckLeak.h"

int main(void)
{
	char* tmp = new char;
	return 0;
}​

Debug 실행시 (F5) - Output 창

'testConsole.exe': Unloaded 'C:\WINDOWS\system32\shimeng.dll'
Detected memory leaks!
Dumping objects ->
c:\work\visualstudio\temp\testconsole\testconsole\main.cpp(5) : {124} client block at 0x00036550, subtype 0, 1 bytes long.
 Data: < > CD 
Object dump complete.
The program '[1968] testConsole.exe: Native' has exited with code 0 (0x0). ​

 

 

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