[liblouis-liblouisxml] Re: Segmentation fault with liblouis svn
- From: "John J. Boyer" <johnjboyer@xxxxxxxxxxxxx>
- To: liblouis-liblouisxml@xxxxxxxxxxxxx
- Date: Thu, 11 Nov 2010 09:33:24 -0600
The bug is fixed and committed to svn. There was some bad code which I
know wasn't mine. It compared a character to 0xb4
John
On Thu, Nov 11, 2010 at 08:43:43AM -0600, John J. Boyer wrote:
> I get this error also. I'll have a fix sshortly.
>
> John
>
> On Thu, Nov 11, 2010 at 03:14:10PM +0100, Christian Egli wrote:
> > Hi all
> >
> > I seem to have hit a bug with the latest liblouis from svn (revision
> > 420).
> >
> > When I run 'make check' the table check for many tables fails, many more
> > than previously. And indeed when I invoke lou_checktable from the
> > command line it tells me:
> >
> > eglic@saadawi:~/src/liblouis$ ./tools/lou_checktable tables/uni-text.dis
> > Segmentation fault
> >
> > If I try to debug this with gdb I get the following:
> >
> > eglic@saadawi:~/src/liblouis-gnulib-update$ libtool --mode=execute gdb
> > tools/lou_checktable
> > GNU gdb (GDB) 7.1-ubuntu
> > Copyright (C) 2010 Free Software Foundation, Inc.
> > License GPLv3+: GNU GPL version 3 or later
> > <http://gnu.org/licenses/gpl.html>
> > This is free software: you are free to change and redistribute it.
> > There is NO WARRANTY, to the extent permitted by law. Type "show copying"
> > and "show warranty" for details.
> > This GDB was configured as "i486-linux-gnu".
> > For bug reporting instructions, please see:
> > <http://www.gnu.org/software/gdb/bugs/>...
> > Reading symbols from
> > /home/eglic/src/liblouis-gnulib-update/tools/.libs/lt-lou_checktable...done.
> > (gdb) run tables/uni-text.dis
> > Starting program:
> > /home/eglic/src/liblouis-gnulib-update/tools/.libs/lt-lou_checktable
> > tables/uni-text.dis
> >
> > Program received signal SIGSEGV, Segmentation fault.
> > 0x00134804 in putCharAndDots (nested=<value optimized out>, c=0, d=32968)
> > at compileTranslationTable.c:908
> > 908 while (oldcdPtr->next)
> > (gdb) bt
> > #0 0x00134804 in putCharAndDots (nested=<value optimized out>, c=0,
> > d=32968) at compileTranslationTable.c:908
> > #1 0x00138aec in compileRule (nested=<value optimized out>) at
> > compileTranslationTable.c:3546
> > #2 0x0013763f in compileFile (fileName=0xbfffee3c "uni-text.dis") at
> > compileTranslationTable.c:3611
> > #3 0x00139f7d in compileTranslationTable (tl=<value optimized out>) at
> > compileTranslationTable.c:3786
> > #4 0x0013a649 in getTable (tableList=<value optimized out>) at
> > compileTranslationTable.c:3883
> > #5 0x0013a9db in lou_getTable (tableList=0xbffff5a2 "tables/uni-text.dis")
> > at compileTranslationTable.c:3931
> > #6 0x08048c03 in main (argc=2, argv=0xbffff3d4) at lou_checktable.c:111
> > (gdb) print oldcdPtr
> > $1 = <value optimized out>
> > (gdb) print oldcdPtr->next
> > Cannot access memory at address 0x0
> > (gdb) print cdPtr
> > $2 = <value optimized out>
> > (gdb) print c
> > $3 = 0
> > (gdb) print d
> > $4 = 32968
> >
> > Could it be that oldcdPtr is NULL? Have there been any changes to the
> > putCharAndDots function lately? Does any of this ring a bell?
> >
> > Thanks
> > Christian
> >
> > --
> > Christian Egli
> > Swiss Library for the Blind, Visually Impaired and Print Disabled
> > Grubenstrasse 12, CH-8045 Zürich, Switzerland
> >
> > -----
> > Neu fuer Seh- und Lesebehinderte: Zeitschriften online hoeren
> > und herunterladen. http://www.sbs.ch/zeitschriftendownload
> > For a description of the software, to download it and links to
> > project pages go to http://www.abilitiessoft.com
>
> --
> My websites:
> GodTouches Digital Ministry, Inc. http://www.godtouches.org
> Abilitiessoft, Inc. http://www.abilitiessoft.com
> Location: Madison, WI, USA
>
> For a description of the software, to download it and links to
> project pages go to http://www.abilitiessoft.com
--
My websites:
GodTouches Digital Ministry, Inc. http://www.godtouches.org
Abilitiessoft, Inc. http://www.abilitiessoft.com
Location: Madison, WI, USA
For a description of the software, to download it and links to
project pages go to http://www.abilitiessoft.com
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