C++ 程序崩溃时生成Dump文件

#include <DbgHelp.h>//生产DUMP文件
int GenerateMiniDump(HANDLE hFile, PEXCEPTION_POINTERS pExceptionPointers, PWCHAR pwAppName)
{
BOOL bOwnDumpFile = FALSE;
HANDLE hDumpFile = hFile;
MINIDUMP_EXCEPTION_INFORMATION ExpParam;typedef BOOL(WINAPI * MiniDumpWriteDumpT)(
HANDLE,
DWORD,
HANDLE,
MINIDUMP_TYPE,
PMINIDUMP_EXCEPTION_INFORMATION,
PMINIDUMP_USER_STREAM_INFORMATION,
PMINIDUMP_CALLBACK_INFORMATION
);MiniDumpWriteDumpT pfnMiniDumpWriteDump = NULL;
HMODULE hDbgHelp = LoadLibrary(L"DbgHelp.dll");
if (hDbgHelp)
pfnMiniDumpWriteDump = (MiniDumpWriteDumpT)GetProcAddress(hDbgHelp, "MiniDumpWriteDump");if (pfnMiniDumpWriteDump)
{
if (hDumpFile == NULL || hDumpFile == INVALID_HANDLE_VALUE)
{
//TCHAR szPath[MAX_PATH] = { 0 };
TCHAR szFileName[MAX_PATH] = { 0 };
//TCHAR* szAppName = pwAppName;
TCHAR* szVersion = L"v1.0";
TCHAR dwBufferSize = MAX_PATH;
SYSTEMTIME stLocalTime;GetLocalTime(&stLocalTime);
//GetTempPath(dwBufferSize, szPath);//wsprintf(szFileName, L"%s%s", szPath, szAppName);
CreateDirectory(szFileName, NULL);wsprintf(szFileName, L"%s-%04d%02d%02d-%02d%02d%02d-%ld-%ld.dmp",
//szPath, szAppName, szVersion,
szVersion,
stLocalTime.wYear, stLocalTime.wMonth, stLocalTime.wDay,
stLocalTime.wHour, stLocalTime.wMinute, stLocalTime.wSecond,
GetCurrentProcessId(), GetCurrentThreadId());
hDumpFile = CreateFile(szFileName, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_WRITE | FILE_SHARE_READ, 0, CREATE_ALWAYS, 0, 0);bOwnDumpFile = TRUE;
OutputDebugString(szFileName);
}if (hDumpFile != INVALID_HANDLE_VALUE)
{
ExpParam.ThreadId = GetCurrentThreadId();
ExpParam.ExceptionPointers = pExceptionPointers;
ExpParam.ClientPointers = FALSE;pfnMiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(),
hDumpFile, MiniDumpWithDataSegs, (pExceptionPointers ? &ExpParam : NULL), NULL, NULL);if (bOwnDumpFile)
CloseHandle(hDumpFile);
}
}if (hDbgHelp != NULL)
FreeLibrary(hDbgHelp);return EXCEPTION_EXECUTE_HANDLER;
}LONG WINAPI ExceptionFilter(LPEXCEPTION_POINTERS lpExceptionInfo)
{
if (IsDebuggerPresent())
{
return EXCEPTION_CONTINUE_SEARCH;
}return GenerateMiniDump(NULL, lpExceptionInfo, L"test");
}int main()
{
//加入崩溃dump文件功能
SetUnhandledExceptionFilter(ExceptionFilter);
}