static PKBDFILE UserLoadKbdFile ( PUNICODE_STRING pwszKLID ) [static]
Definition at line 123 of file kbdlayout.c.
{
    PKBDFILE pkf, pRet = NULL;
    NTSTATUS Status;
    ULONG cbSize;
    HKEY hKey = NULL;
    WCHAR wszLayoutPath[MAX_PATH] = L"\\SystemRoot\\System32\\";
    WCHAR wszLayoutRegKey[256] = L"\\REGISTRY\\Machine\\SYSTEM\\CurrentControlSet\\"
                                 L"Control\\Keyboard Layouts\\";

    /* Create keyboard layout file object */
    pkf = UserCreateObject(gHandleTable, NULL, NULL, otKBDfile, sizeof(KBDFILE));
    if (!pkf)
    {
        ERR("Failed to create object!\n");
        return NULL;
    }

    /* Set keyboard layout name */
    swprintf(pkf->awchKF, L"%wZ", pwszKLID);

    /* Open layout registry key */
    RtlStringCbCatW(wszLayoutRegKey, sizeof(wszLayoutRegKey), pkf->awchKF);
    Status = RegOpenKey(wszLayoutRegKey, &hKey);
    if (!NT_SUCCESS(Status))
    {
        ERR("Failed to open keyboard layouts registry key %ws (%lx)\n", wszLayoutRegKey, Status);
        goto cleanup;
    }

    /* Read filename of layout DLL */
    cbSize = sizeof(wszLayoutPath) - wcslen(wszLayoutPath)*sizeof(WCHAR);
    Status = RegQueryValue(hKey,
                           L"Layout File",
                           REG_SZ,
                           wszLayoutPath + wcslen(wszLayoutPath),
                           &cbSize);

    if (!NT_SUCCESS(Status))
    {
        ERR("Can't get layout filename for %wZ (%lx)\n", pwszKLID, Status);
        goto cleanup;
    }

    /* Load keyboard file now */
    if (!UserLoadKbdDll(wszLayoutPath, &pkf->hBase, &pkf->pKbdTbl))
    {
        ERR("Failed to load %ws dll!\n", wszLayoutPath);
        goto cleanup;
    }

    /* Update next field */
    pkf->pkfNext = gpkfList;
    gpkfList = pkf;

    /* Return keyboard file */
    pRet = pkf;

cleanup:
    if (hKey)
        ZwClose(hKey);
    if (pkf)
        UserDereferenceObject(pkf); // we dont need ptr anymore
    if (!pRet)
    {
        /* We have failed - destroy created object */
        if (pkf)
            UserDeleteObject(pkf->head.h, otKBDfile);
    }

    return pRet;
}
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