From bug-octave-request at bevo dot che dot wisc dot edu  Thu Nov  4 14:52:17 1999
Subject: Unidentified subject!
From: "John W. Eaton" <jwe at bevo dot che dot wisc dot edu>
To: Vladimir Eltsov <ve at slon dot hut dot fi>
Cc: bug-octave at bevo dot che dot wisc dot edu
Date: Thu, 4 Nov 1999 14:51:55 -0600 (CST)

On  4-Nov-1999, Vladimir Eltsov <ve at slon dot hut dot fi> wrote:

| To: bug-octave at bevo dot che dot wisc dot edu
| Cc: ve
| Subject: Segmentation fault on access to file variable after file is closed
| 
| Bug report for Octave 2.1.20 configured for i686-pc-linux-gnu
| 
| Description:
| -----------
| 
| See subject
| 
| Repeat-By:
| ---------
| 
| > touch zzz
| > /opt/octave/bin/octave
| GNU Octave, version 2.1.20 (i686-pc-linux-gnu).
| Copyright (C) 1996, 1997, 1998 John W. Eaton.
| This is free software with ABSOLUTELY NO WARRANTY.
| For details, type `warranty'.
| 
| *** This is a development version of Octave.  Development releases
| *** are provided for people who want to help test, debug, and improve
| *** Octave.
| ***
| *** If you want a stable, well-tested version of Octave, you should be
| *** using one of the stable releases (when this development release
| *** was made, the latest stable version was 2.0.14).
| 
| octave:1> fi = fopen("zzz","r")
| fi =
| {
|   id = 3
|   name = zzz
|   mode = r
|   arch = native
| }
| octave:2> fclose(fi)
| ans = 0
| octave:3> 
| error: Segmentation fault -- stopping myself...
| fi =
| {
| attempting to save variables to `octave-core'...
| warning: save: wrong type argument `file'
| save to `octave-core' complete
| Segmentation fault

This problem should be fixed in the next bleeding-edge release.  The
fix will be in the CVS archive soon.

Thanks,

jwe



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