dir on Octave 3.2.0 on Vista

[kavermeer]

Hi,

I tried to do a 'dir' command on Octave 3.2.0 on Vista, but it crashed
(see below). The same thing seems to work on XP. I localized the problem
to the strftime call in dir.m, but didn't have the time to dig into it
any further. Still being new to Octave, I decided to ask here first
before filing a bug report. Is this a known thing, or some stupid
mistake on my side?

Best,
Koen


GNU Octave, version 3.2.0
Copyright (C) 2009 John W. Eaton and others.
This is free software; see the source code for copying conditions.
There is ABSOLUTELY NO WARRANTY; not even for MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  For details, type `warranty'.

Octave was configured for "i686-pc-mingw32".

Additional information about Octave is available at
http://www.octave.org.

Please contribute if you find this software useful.
For more information, visit http://www.octave.org/help-wanted.html

Report bugs to <bug@...> (but first, please read
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For information about changes from previous versions, type `news'.

octave-3.2.0.exe:1:C:\Program Files\Octave\bin
> dir
error: memory exhausted or requested size too large for range of
Octave's index type -- trying to return to prompt
octave-3.2.0.exe:1:C:\Program Files\Octave\bin
> dir('c:\');
error: memory exhausted or requested size too large for range of
Octave's index type -- trying to return to prompt
octave-3.2.0.exe:1:C:\Program Files\Octave\bin
>


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[Benjamin Lindner]

Koen Vermeer wrote:

> Hi,
>
> I tried to do a 'dir' command on Octave 3.2.0 on Vista, but it crashed
> (see below). The same thing seems to work on XP. I localized the problem
> to the strftime call in dir.m, but didn't have the time to dig into it
> any further. Still being new to Octave, I decided to ask here first
> before filing a bug report. Is this a known thing, or some stupid
> mistake on my side?
>
> Best,
> Koen
>

Can you provide more details as to what is the problem you localized?
Perhaps a simple call to strftime that shows the crash?

benjamin

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[kavermeer]

On Wed, 17 Jun 2009 22:27:11 +0200 Benjamin Lindner <lindnerben@...> wrote

> Koen Vermeer wrote:
> > I tried to do a 'dir' command on Octave 3.2.0 on Vista, but it crashed
> > (see below). The same thing seems to work on XP. I localized the problem
> > to the strftime call in dir.m, but didn't have the time to dig into it
> > any further. Still being new to Octave, I decided to ask here first
> > before filing a bug report. Is this a known thing, or some stupid
> > mistake on my side?
> Can you provide more details as to what is the problem you localized?
> Perhaps a simple call to strftime that shows the crash?

I guess it's related to this: Whenever I do strftime("%T",localtime(#number#)),
Octave crashes. This now also happens on my XP box. Please see the output of the
Octave session below.

Koen


GNU Octave, version 3.2.0
Copyright (C) 2009 John W. Eaton and others.
This is free software; see the source code for copying conditions.
There is ABSOLUTELY NO WARRANTY; not even for MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  For details, type `warranty'.

Octave was configured for "i686-pc-mingw32".

Additional information about Octave is available at http://www.octave.org.

Please contribute if you find this software useful.
For more information, visit http://www.octave.org/help-wanted.html

Report bugs to <bug@...> (but first, please read
http://www.octave.org/bugs.html to learn how to write a helpful report).

For information about changes from previous versions, type `news'.

warning: mark_as_command is obsolete and will be removed from a future version
of Octave
octave-3.2.0.exe:1:C:\Octave\3.2.0_gcc-4.3.0\bin
> strftime("%T",localtime(12345))
error: memory exhausted or requested size too large for range of Octave's index
type -- trying to return to prompt
octave-3.2.0.exe:1:C:\Octave\3.2.0_gcc-4.3.0\bin
>



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[Philippe Lavoie]

>Hi,
>
>I tried to do a 'dir' command on Octave 3.2.0 on Vista, but it crashed
> (see below). The same thing seems to work on XP. I localized the problem
>to the strftime call in dir.m, but didn't have the time to dig into it
>any further. Still being new to Octave, I decided to ask here first
>before filing a bug report. Is this a known thing, or some stupid
>mistake on my side?
>
>Best,
>Koen

I can confirm that dir never worked on Windows Server 2008 nor on Windows 7 (64 bits).


> dir
error: memory exhausted or requested size too large for range of Octave's index type -- trying to return to prompt

However, the good news is that ls works.

I'm happy that one of the works :)

Phil

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[Philippe Lavoie]

That version worked :)

Thanks

Phil

-----Original Message-----
From: Benjamin Lindner [mailto:lindnerben@...]
Sent: June-26-09 10:28 AM
To: Philippe Lavoie; koen@...
Cc: octave-dev@...
Subject: Re: [OctDev] dir on Octave 3.2.0 on Vista

Philippe Lavoie wrote:

>> Hi,
>>
>> I tried to do a 'dir' command on Octave 3.2.0 on Vista, but it
>> crashed (see below). The same thing seems to work on XP. I localized
>> the problem to the strftime call in dir.m, but didn't have the time
>> to dig into it any further. Still being new to Octave, I decided to
>> ask here first before filing a bug report. Is this a known thing, or
>> some stupid mistake on my side?
>>
>> Best,
>> Koen
>
>
> I can confirm that dir never worked on Windows Server 2008 nor on Windows 7 (64 bits).
>

As I don't have Vista nor server nor windows 7, so could you try for me the attched version of dir.m and report back if it still fails?

thanks a lot
benjamin

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[Benjamin Lindner]

Philippe Lavoie wrote:

>> Hi,
>>
>> I tried to do a 'dir' command on Octave 3.2.0 on Vista, but it crashed
>> (see below). The same thing seems to work on XP. I localized the problem
>> to the strftime call in dir.m, but didn't have the time to dig into it
>> any further. Still being new to Octave, I decided to ask here first
>> before filing a bug report. Is this a known thing, or some stupid
>> mistake on my side?
>>
>> Best,
>> Koen
>
>
> I can confirm that dir never worked on Windows Server 2008 nor on Windows 7 (64 bits).
>

As I don't have Vista nor server nor windows 7, so could you try for me
the attched version of dir.m and report back if it still fails?

thanks a lot
benjamin

## Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 John W. Eaton
##
## This file is part of Octave.
##
## Octave is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 3 of the License, or (at
## your option) any later version.
##
## Octave is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Octave; see the file COPYING.  If not, see
## <http://www.gnu.org/licenses/>.

## -*- texinfo -*-
## @deftypefn {Function File} {} dir (@var{directory})
## @deftypefnx {Function File} {[@var{list}] =} dir (@var{directory})
## Display file listing for directory @var{directory}.  If a return
## value is requested, return a structure array with the fields
##
## @example
## @group
## name
## bytes
## date
## isdir
## statinfo
## @end group
## @end example
##
## @noindent
## in which @code{statinfo} is the structure returned from @code{stat}.
##
## If @var{directory} is not a directory, return information about the
## named @var{filename}.  @var{directory} may be a list of directories
## specified either by name or with wildcard characters (like * and ?)
## which will be expanded with glob.
##
## Note that for symbolic links, @code{dir} returns information about
## the file that a symbolic link points to instead of the link itself.
## However, if the link points to a nonexistent file, @code{dir} returns
## information about the link.
## @seealso{ls, stat, lstat, readdir, glob, filesep}
## @end deftypefn

## Author: jwe

## FIXME -- this is quite slow for large directories, so perhaps
## it should be converted to C++.

function retval = dir (file)

  if (nargin == 0)
    file = ".";
  elseif (nargin > 1)
    print_usage ();
  endif

  ## Prep the retval.
  info = struct (zeros (0, 1),
                 {"name", "date", "bytes", "isdir", "datenum", "statinfo"});

  if (ischar (file))
    if (strcmp (file, "*"))
      file = ".";
    endif
    if (strcmp (file, "."))
      flst = {"."};
      nf = 1;
    else
      flst = glob (file);
      nf = length (flst);
    endif

    ## Determine the file list for the case where a single directory is
    ## specified.
    if (nf == 1)
      fn = flst{1};
      [st, err, msg] = stat (fn);
      if (err < 0)
        warning ("dir: `stat (%s)' failed: %s", fn, msg);
        nf = 0;
      elseif (S_ISDIR (st.mode))
        flst = readdir (flst{1});
        nf = length (flst);
        for i = 1:nf
          flst{i} = fullfile (fn, flst{i});
        endfor
      endif
    endif

    if (length (flst) > 0)
      ## Collect results.
      for i = nf:-1:1
        fn = flst{i};
        [st, err, msg] = lstat (fn);
        if (err < 0)
          warning ("dir: `lstat (%s)' failed: %s", fn, msg);
        else
          ## If we are looking at a link that points to something,
          ## return info about the target of the link, otherwise, return
          ## info about the link itself.
          if (S_ISLNK (st.mode))
            [xst, err, msg] = stat (fn);
            if (! err)
              st = xst;
            endif
          endif
          [dummy, fn, ext] = fileparts (fn);
          fn = cstrcat (fn, ext);
          info(i,1).name = fn;
          lt = localtime (st.mtime);
          info(i,1).date = strftime ("%d-%b-%Y %H:%M:%S", lt);
          info(i,1).bytes = st.size;
          info(i,1).isdir = S_ISDIR (st.mode);
          info(i,1).datenum = datenum (lt.year + 1900, lt.mon, lt.mday,
                                       lt.hour, lt.min, lt.sec);
          info(i,1).statinfo = st;
        endif
      endfor
    endif

  else
    error ("dir: expecting directory or filename to be a char array");
  endif

  ## Return the output arguments.
  if (nargout > 0)
    ## Return the requested structure.
    retval = info;
  elseif (length (info) > 0)
    ## Print the structure to the screen.
    printf ("%s", list_in_columns ({info.name}));
  else
    warning ("dir: nonexistent file `%s'", file);
  endif

endfunction

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[kavermeer]

On Fri, 2009-06-26 at 16:27 +0200, Benjamin Lindner wrote:
> As I don't have Vista nor server nor windows 7, so could you try for me
> the attched version of dir.m and report back if it still fails?

I quickly ran it on the machine on which the stock dir.m failed. This
one seems to work fine, although I didn't have the time to test it
thoroughly.

Thanks!

Koen


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