ModifyFileTime

ModifyFileTime.c

int ModifyFileTime(char *szTgtFile, char *szTimeFile)
{
    HANDLE hFileOld = NULL, hFileNew = NULL;
    FILETIME stCreateTime = {0}, stLastAccessTime = {0}, stLastWriteTime = {0};
    const FILETIME *pCreateTime = NULL, *pLastAccessTime = NULL, *pLastWriteTime = NULL;
    int nRet = 0;

    hFileOld = CreateFile(szTimeFile,
        GENERIC_READ | GENERIC_WRITE,
        0,
        NULL,
        OPEN_EXISTING,
        FILE_ATTRIBUTE_NORMAL,
        NULL);
    if (hFileOld == INVALID_HANDLE_VALUE) {
        return -1;
    }

    hFileNew = CreateFile(szTgtFile,
        GENERIC_READ | GENERIC_WRITE,
        0,
        NULL,
        OPEN_ALWAYS,
        FILE_ATTRIBUTE_NORMAL,
        NULL);
    if (hFileNew == INVALID_HANDLE_VALUE) {
        CloseHandle(hFileOld);
        return -1;
    }

    nRet = GetFileTime(hFileOld, &stCreateTime, &stLastAccessTime, &stLastWriteTime);
    if (0 == nRet) { //return nonzero if success.
        nRet = -1;
        goto __END;
    }

    pCreateTime = &stCreateTime;
    pLastAccessTime = &stLastAccessTime;
    pLastWriteTime = &stLastWriteTime;
    nRet = SetFileTime(hFileNew, pCreateTime, pLastAccessTime, pLastWriteTime);
    nRet = (0 != nRet) ? 0 : (-1); //return nonzero if success.

__END:
    CloseHandle(hFileNew);
    CloseHandle(hFileOld);
    return nRet;
}