Thread: R/W on files in a directory by i-number

  1. #1
    Prying open my third eye.
    Join Date
    Jun 2005

    R/W on files in a directory by i-number

    I am working with some Unix system calls, and I want to be able to open a directory, and perform read/write operations on the files in that directory.

    I already know that I can open a directory, then call readdir() to put the i-number and name in a struct.

    So....the question is, can I perform read/write on files with just the i-number?

    Not looking for exact code, just pointers (hah) in the rightr direction.

    EDIT: so really what I need to do is get a file descriptor from a i-number.
    Last edited by Lateralus; 07-26-2005 at 09:42 AM.
    "So you're one of those condescending UNIX computer users?"

    "Here's a nickel, kid. Get yourself a better computer."

  2. #2
    Join Date
    Nov 2003
    I must be missing something - struct dirent already has a file name.

    AFAIK -- All of the file open routines use only file names - open, fopen.

    If you need to use only the i-node number, then you'll have to get your kernel's source for the file system and see how file descriptors are created.

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