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Re: [Bug-apl] Request: lib_file_io additions


From: David Lamkins
Subject: Re: [Bug-apl] Request: lib_file_io additions
Date: Mon, 7 Jul 2014 09:52:51 -0700

Thanks, Jüergen. I'll change my code tonight to use the new calls.

I like your solution to readdir() access. I fell asleep last night pondering how best to do that.


On Mon, Jul 7, 2014 at 9:44 AM, Juergen Sauermann <address@hidden> wrote:
Hi David,

I have added rename (FILE_IO[27]), SVN 364.

I didn't do readdir() because that would need you to opendir(),
loop around readdir() and closedir().

Instead FILE_IO[28] returns the entire directory as a matrix in one go.

Every row is a dirent struct but with a different order:

        filename
        d_ino;       /* inode number */
        d_off;       /* not an offset; see NOTES */
        d_reclen;    /* length of this record */
        d_type;      /* type of file; not supported

The reason for the different order is that not all fields are present in every file system,
so I thought I should put all non-optional fields before the optional field, making the columns
of the result more portable.


/// Jürgen





On 07/07/2014 09:31 AM, David B. Lamkins wrote:
There are two functions that I'd like to access via lib_file_io:
readdir() and rename().

I'm currently implementing these via popen() through lib_file_io, but
that seems inelegant...

I have immediate application for these calls in the component file
library.







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