Re: incompatible open modes

From: Zack Brown (zbrown_at_tumblerings.org)
Date: 07/31/03

  • Next message: Marcelo Penna Guerra: "Re: [PATCH] Merge the changes from siimage 2.4.22-pre9 to 2.6.0-test2" 
    Date:	Thu, 31 Jul 2003 10:03:45 -0700
To: "Ata, John" <John.Ata@DigitalNet.com>

    Hi John,

    The best place to ask is on the linux-kernel mailing list (CCed).

    Good luck,
    Zack

    On Thu, Jul 31, 2003 at 12:09:14PM -0400, Ata, John wrote:
    > Hi Zach,
    >
    > I don't know if you're the right contact... just wondered how I go about
    > getting information as to the intent of the Linux kernel... the manpage on
    > "open" states that if a file is opened "O_RDONLY|O_TRUNC", the O_TRUNC is
    > either ignored or an error is returned. The 2.4 kernel appears to
    > cheerfully truncate the file on open. I wondered which behavior is
    > actually intended.
    >
    > Thanks for your time...
    >
    > Take care,
    > ------
    > John G. Ata
    > DigitalNet, LLC
    > XTS-400 Software Development
    > MailTo:John.Ata@DigitalNet.com
    > Phone:(703) 563-8092
    >
    > O_TRUNC
    > If the file already exists and is a regular file and the
    > open
    > mode allows writing (i.e., is O_RDWR or O_WRONLY) it
    > will be
    > truncated to length 0. If the file is a FIFO or terminal
    > device
    > file, the O_TRUNC flag is ignored. Otherwise the
    > effect of
    > O_TRUNC is unspecified. (On many Linux versions it
    > will be
    > ignored; on other versions it will return an error.) 

    -- 
Zack Brown
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