From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk1-x730.google.com (mail-qk1-x730.google.com [IPv6:2607:f8b0:4864:20::730]) by sourceware.org (Postfix) with ESMTPS id EA6AF3858C60 for ; Sun, 26 Sep 2021 19:09:08 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org EA6AF3858C60 Received: by mail-qk1-x730.google.com with SMTP id d207so34749444qkg.0 for ; Sun, 26 Sep 2021 12:09:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=GnFyUqjF/8wN72DTBzCXn3dYsPFRqGUAdcQfsHDUx4s=; b=snzWdX/jxk5K799SqnD7chL8DzSY8fCOWPir+HjDQkQkR32VBxaInOTotm8Cpk9SrG JuDSoLUDcaLmowQAdfbKbRFNTQdiQzarYmAjZgjeMn56U63PpatimhR3cC8juhTBSwIj BN9Oo98IAvq+cg4TuznbNo3NMnxu1qQe2qWCUSGMw9iUVA9v5glomyMGkmRuRKvF1H4+ LtCwC/1SWNDyBc9e47nv9vKYDoCBV6O/pPGHiNb7CjP/dg5mhgP5c06Zv9GUeZrrTYrz dKO/kKB7vTudSDYQpU/LYcjtkny4EXlPrfShZwxzgLSXuvtL8rDUQSu1eehf2QVFP2OA 7BCA== X-Gm-Message-State: AOAM532euj2AvVyHalz7+V14+lUqdFvWdTC9pAYkOUl3TePhZWAXkz1y E32FDpxs8MlCCjh5WG1/0wUnoD5nszHXSkQglu4jufzxjiemA/BKCg4= X-Google-Smtp-Source: ABdhPJzQJtWyNV8hSt7Qnw5O6pHwcdZZWKVjyMisNIjHjIl5hK9dSonD/C33PkuWs8LuE1Gp7cvpc3M24uwZ6+2/zS0= X-Received: by 2002:a37:aa51:: with SMTP id t78mr20487551qke.269.1632683348581; Sun, 26 Sep 2021 12:09:08 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:ad4:5284:0:0:0:0:0 with HTTP; Sun, 26 Sep 2021 12:09:08 -0700 (PDT) In-Reply-To: References: <20210926103325.5c17eb11c3c8a56c377199a8@nifty.ne.jp> <584f536c-b108-b562-b940-798ec2847c68@maxrnd.com> <0b13b9ac-583f-ab72-4202-f8b187946d93@towo.net> From: Lee Date: Sun, 26 Sep 2021 15:09:08 -0400 Message-ID: Subject: Re: Incompatible clipboard format between 32bit and 64bit cygwin To: Thomas Wolff Cc: cygwin@cygwin.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-0.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 26 Sep 2021 19:09:10 -0000 On 9/26/21, Thomas Wolff wrote: > > Am 26.09.2021 um 20:37 schrieb Thomas Wolff: >> >> Am 26.09.2021 um 11:50 schrieb Mark Geisert: >>> Hi Takashi, >>> >>> Takashi Yano via Cygwin wrote: >>>> I noticed that cygwin clipboard is not compatible >>>> between 32bit and 64bit cygwin. >>>> >>>> If I run 'echo AAAAAAAA > /dev/clipboard' in 32bit cygwin, >>>> and run 'cat /dev/clipboard' in 64bit cygwin, this result in >>>> cat: /dev/clipboard: Bad address >>>> >>>> This is because the structure >>>> typedef struct >>>> { >>>> timestruc_t timestamp; >>>> size_t len; >>>> char data[1]; >>>> } cygcb_t; >>>> defined in fhandler_clipboard.cc has different size. >>>> >>>> Is this the known issue? >>> >>> I doubt anybody has ever tried what you did. >> I have and it failed; I just didn't find it important enough to report >> it here... Thanks for the plan to fix it. >> >>> I have been testing getclip and putclip between 32- and 64-bit >>> environments, but neglected to test Cygwin-internal clipboard format >>> that prepends cygcb_t to the user-supplied data. > As we're at it, what's the purpose of a cygwin-internal clipboard format > at all? speed? Maybe I'm not understanding the question, but I put a question to this list ~3 years ago about right-click/paste into a mintty window being **really** slow and the answer was to use getclip: $ time d2u < /dev/clipboard > hosts-3.txt real 0m11.372s user 0m3.749s sys 0m6.984s $ time cat /dev/clipboard | tr -d '\r' > hosts-2.txt real 0m4.405s user 0m0.124s sys 0m3.577s $ time getclip -u > hosts.txt real 0m0.734s user 0m0.031s sys 0m0.031s Lee