内存泄漏C++ vscode with mingw-64,crt:_crtdumpmemoryleaks()未显示内存泄漏
我在 Windows 11 上使用 VScode 使用 ming-w64 运行 C++ 代码。 我已经按照所有这些步骤安装了 ming-w64
我正在运行一个代码有故意内存泄漏,查看是否有_CrtDumpMemoryLeaks()报告。
这是我的代码:
#define _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
#include <iostream>
#ifdef _DEBUG
#define DBG_NEW new ( _NORMAL_BLOCK , __FILE__ , __LINE__ )
// Replace _NORMAL_BLOCK with _CLIENT_BLOCK if you want the
// allocations to be of _CLIENT_BLOCK type
#else
#define DBG_NEW new
#endif
using namespace std;
int main()
{
_CrtSetDbgFlag ( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
_CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_DEBUG );
_CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDOUT );
_CrtSetReportMode( _CRT_ERROR, _CRTDBG_MODE_FILE );
_CrtSetReportFile( _CRT_ERROR, _CRTDBG_FILE_STDOUT );
_CrtSetReportMode( _CRT_ASSERT, _CRTDBG_MODE_FILE );
_CrtSetReportFile( _CRT_ASSERT, _CRTDBG_FILE_STDOUT );
int *i2 = new int(2);
cout << "address of i2 :" << i2 << endl;
bool check = _CrtDumpMemoryLeaks();
cout << "MEMORY check :" << check << endl;
cout << "After CrtDumpMemoryLeaks" << endl;
}
这是终端:
PS C:\Users\שראל\Desktop\C_proj\projects\helloworld> & 'c:\Users\שראל\.vscode\extensions\ms-vscode.cpptools-1.9.7\debugAdapters\bin\WindowsDebugLauncher.exe' '--stdin=Microsoft-MIEngine-In-o0zd5lqu.up2' '--stdout=Microsoft-MIEngine-Out-gva0ndx0.ycm' '--stderr=Microsoft-MIEngine-Error-eec2m2xg.4x5' '--pid=Microsoft-MIEngine-Pid-fakhxofs.oyp' '--dbgExe=C:\msys64\mingw64\bin\gdb.exe' '--interpreter=mi'
address of i2 :0x190a9ff1a90
MEMORY check :0
After CrtDumpMemoryLeaks
输出为空。 我不明白我在这里做错了什么。
I am on windows 11 using VScode to run a C++ code with ming-w64.
I have installed ming-w64 following all these steps
I am running a code that has a deliberate memory leak to see if there is a report by _CrtDumpMemoryLeaks().
this is my code:
#define _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
#include <iostream>
#ifdef _DEBUG
#define DBG_NEW new ( _NORMAL_BLOCK , __FILE__ , __LINE__ )
// Replace _NORMAL_BLOCK with _CLIENT_BLOCK if you want the
// allocations to be of _CLIENT_BLOCK type
#else
#define DBG_NEW new
#endif
using namespace std;
int main()
{
_CrtSetDbgFlag ( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
_CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_DEBUG );
_CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDOUT );
_CrtSetReportMode( _CRT_ERROR, _CRTDBG_MODE_FILE );
_CrtSetReportFile( _CRT_ERROR, _CRTDBG_FILE_STDOUT );
_CrtSetReportMode( _CRT_ASSERT, _CRTDBG_MODE_FILE );
_CrtSetReportFile( _CRT_ASSERT, _CRTDBG_FILE_STDOUT );
int *i2 = new int(2);
cout << "address of i2 :" << i2 << endl;
bool check = _CrtDumpMemoryLeaks();
cout << "MEMORY check :" << check << endl;
cout << "After CrtDumpMemoryLeaks" << endl;
}
This is the TERMINAL:
PS C:\Users\שראל\Desktop\C_proj\projects\helloworld> & 'c:\Users\שראל\.vscode\extensions\ms-vscode.cpptools-1.9.7\debugAdapters\bin\WindowsDebugLauncher.exe' '--stdin=Microsoft-MIEngine-In-o0zd5lqu.up2' '--stdout=Microsoft-MIEngine-Out-gva0ndx0.ycm' '--stderr=Microsoft-MIEngine-Error-eec2m2xg.4x5' '--pid=Microsoft-MIEngine-Pid-fakhxofs.oyp' '--dbgExe=C:\msys64\mingw64\bin\gdb.exe' '--interpreter=mi'
address of i2 :0x190a9ff1a90
MEMORY check :0
After CrtDumpMemoryLeaks
And the OUTPUT is empty.
I don't understand what I am doing wrong here.
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MinGW显然不支持开箱即用的crtdbg函数,研究mingw64\include\crtdbg.h,所有_Crt*函数都是存根
MinGW apparently does not support crtdbg functions out of the box, study mingw64\include\crtdbg.h, all _Crt* functions are stubs