運行時檢查失敗＃2-MFC應用程序上變量'osvi'周圍的堆棧已損壞

Question

我一直在互聯網上搜索，我不知道為什么會這樣，這並不是一個明顯的陣列問題。

功能如下：

BOOL IsOsCompatible()
{
    BOOL retVal = 0;
    OSVERSIONINFO osvi;
    ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
    osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
    GetVersionEx(&osvi);
    if(osvi.dwMajorVersion == 6)
    {
        if(osvi.dwMinorVersion == 0)
        {
            if(SendErrorM("This program has not been tested on Windows Vista(TM).\nAre you sure you want to use it?",MB_YESNO) == IDYES)
                retVal = 1;
        }
        else if(osvi.dwMinorVersion == 1)
        { 
            retVal = 1;
        }
        else if(osvi.dwMinorVersion == 2)
        {
            if(SendErrorM("This program has not been tested on Windows 8(TM).\nAre you sure you want to use it?",MB_YESNO) == IDYES)
                retVal = 1;
        }
    }
    else
        SendErrorM("Your windows verison is incompatible with the minimum requirements of this application.",NULL);

    return retVal;

}

有任何想法嗎？

Answer 1

OSVERSIONINFOEX大於OSVERSIONINFO ，因此

    ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));

將在osvi “外部”（周圍）寫入零。

你要

OSVERSIONINFOEX osvi;
ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));

或（通常更安全）

OSVERSIONINFOEX osvi;
ZeroMemory(&osvi, sizeof(osvi));

Answer 2

多余的X是您的問題：

OSVERSIONINFO osvi;
ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));

Windows A，W和X很爛。

避免宏 ：

template <typename T>
inline void zero_memory(T& m) {
    std::memset(&T, 0, sizeof(T));
}