Function getlock

outdated/sys/wince/winhack.c:179–237

}

void
getlock()
{
    const char *fq_lock;
    char tbuf[BUFSZ];
    TCHAR wbuf[BUFSZ];
    HANDLE f;
    int fd;
    int choice;

    /* regularize(lock); */ /* already done in pcmain */
    Sprintf(tbuf, "%s", fqname(gl.lock, LEVELPREFIX, 0));
    set_levelfile_name(gl.lock, 0);
    fq_lock = fqname(gl.lock, LEVELPREFIX, 1);

    f = CreateFile(NH_A2W(fq_lock, wbuf, BUFSZ), GENERIC_READ, 0, NULL,
                   OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
    if (f == INVALID_HANDLE_VALUE) {
        if (GetLastError() == ERROR_FILE_NOT_FOUND)
            goto gotlock; /* no such file */
        error("Cannot open %s", fq_lock);
    }

    CloseHandle(f);

    /* prompt user that the game alredy exist */
    choice = MessageBox(GetNHApp()->hMainWnd,
                        TEXT("There are files from a game in progress under "
                             "your name. Recover?"),
                        TEXT("Nethack"), MB_YESNO | MB_DEFBUTTON1);
    switch (choice) {
    case IDYES:
        if (recover_savefile()) {
            goto gotlock;
        } else {
            error("Couldn't recover old game.");
        }
        break;

    case IDNO:
        unlock_file(HLOCK);
        error("%s", "Cannot start a new game.");
        break;
    };

gotlock:
    fd = creat(fq_lock, FCMASK);
    if (fd == -1) {
        error("cannot creat lock file (%s.)", fq_lock);
    } else {
        if (write(fd, (char *) &svh.hackpid, sizeof(svh.hackpid))
            != sizeof(svh.hackpid)) {
            error("cannot write lock (%s)", fq_lock);
        }
        if (close(fd) == -1) {
            error("cannot close lock (%s)", fq_lock);
        }
    }