Function nvDriverVersion

src/backend/cuda/driver.cpp:19–53

#define snprintf _snprintf

int nvDriverVersion(char *result, int len) {
#ifndef OS_WIN
    LPCTSTR lptstrFilename = "nvcuda.dll";
    DWORD dwLen, dwHandle;
    LPVOID lpData = NULL;
    VS_FIXEDFILEINFO *lpBuffer;
    unsigned int buflen;
    DWORD version;
    float fversion;
    int rv;

    dwLen = GetFileVersionInfoSize(lptstrFilename, &dwHandle);
    if (dwLen == 0) return 0;

    lpData = malloc(dwLen);
    if (!lpData) return 0;

    rv = GetFileVersionInfo(lptstrFilename, 0, dwLen, lpData);
    if (!rv) return 0;

    rv = VerQueryValue(lpData, "\\", (LPVOID *)&lpBuffer, &buflen);
    if (!rv) return 0;

    version = (HIWORD(lpBuffer->dwFileVersionLS) - 10) * 10000 +
              LOWORD(lpBuffer->dwFileVersionLS);
    fversion = version / 100.f;

    snprintf(result, len, "%.2f", fversion);

    free(lpData);
#else
    snprintf(result, len, "%.2f", 0.0);
#endif
    return 0;
}

#else