Re: Getting filename from inode # in 'C'

From: Bill Vermillion (bv_at_wjv.com)
Date: 03/24/05

  • Next message: James Szabadics: "Printing headaches" 
    Date: Thu, 24 Mar 2005 03:35:01 GMT

    In article <Muudnbj4fvSfZdzfRVn-ow@comcast.com>,
    Tony Lawrence <foo@pcunix.com> wrote:
    >Murray Hooper wrote:
    >> "Tony Lawrence" <foo@pcunix.com> wrote in message
    >> news:qvydnecuhseAQtzfRVn-1g@comcast.com...
    >>
    >>>Murray Hooper wrote:
    >>>
    >>>>I am working on a project on OpenServer 5 that I need to get a filename
    >>>>(text) back when given an inode #?
    >>>>any advice on what functions to investigate?
    >>>>thank you
    >>>>murray
    >>>
    >>>find / -inum 1234
    >>>
    >>>but you need to restrict that to the filesystem that has the one you are
    >>>looking for..
    >>>
    >>>--
    >>>
    >>>Unix/Linux/Mac OS X resources: http://aplawrence.com
    >>
    >>
    >> Thanks Tony.
    >>
    >> I am trying to do it within a 'C' program if possible?
    >>
    >>
    >>

    >Well of course it's possible, but you need to re-invent "find" -
    >well , not all of it, but you need to walk every directory, read
    >the inode, and if it matches, print the filename.

    >You do understand that the ONLY relationship between filenames and
    >inodes is in directories and that there can be multiple filenames
    >pointing to the same inode ?

    Which applies to hard links.

    For symlinks you will have two separate inodes numbers, one for
    the symlink and one for the file to which it points.

    Bill 

    -- 
Bill Vermillion - bv @ wjv . com
  • Next message: James Szabadics: "Printing headaches"

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