[liblouis-liblouisxml] Re: Endless loop in compileTranslationTable.c
- From: "John J. Boyer" <johnjboyer@xxxxxxxxxxxxx>
- To: liblouis-liblouisxml@xxxxxxxxxxxxx
- Date: Tue, 16 Nov 2010 05:01:21 -0600
I'll check this out. Should have a fix in svn soon.
John
On Tue, Nov 16, 2010 at 11:47:43AM +0100, Christian Egli wrote:
> Hi all
>
> I'm trying to add the Dutch tables contributed by Bert Frees. However,
> I'm running into an endless loop when trying to check them. I reduced
> the table in question to a minimal example which exposes the bug. If you
> run lou_checktable on the attached table compileTranslationTable will
> loop endlessly in the function makeRuleChain (line 1140). It appears
> that the data structure is circular, i.e. currentRule->charsnext points
> to itself.
>
> Thanks
> Christian
>
Content-Description: Minimal example table exposing loop
> uplow \x0041\x0061 1,1 Aa LATIN
> CAPITAL LETTER A - LATIN SMALL LETTER A
> uplow \x0042\x0062 12,12 Bb LATIN
> CAPITAL LETTER B - LATIN SMALL LETTER B
> uplow \x0043\x0063 14,14 Cc LATIN
> CAPITAL LETTER C - LATIN SMALL LETTER C
> uplow \x0044\x0064 145,145 Dd LATIN
> CAPITAL LETTER D - LATIN SMALL LETTER D
> uplow \x0045\x0065 15,15 Ee LATIN
> CAPITAL LETTER E - LATIN SMALL LETTER E
> uplow \x0046\x0066 124,124 Ff LATIN
> CAPITAL LETTER F - LATIN SMALL LETTER F
> uplow \x0047\x0067 1245,1245 Gg LATIN
> CAPITAL LETTER G - LATIN SMALL LETTER G
> uplow \x0048\x0068 125,125 Hh LATIN
> CAPITAL LETTER H - LATIN SMALL LETTER H
> uplow \x0049\x0069 24,24 Ii LATIN
> CAPITAL LETTER I - LATIN SMALL LETTER I
> uplow \x004A\x006A 245,245 Jj LATIN
> CAPITAL LETTER J - LATIN SMALL LETTER J
> uplow \x004C\x006C 123,123 Ll LATIN
> CAPITAL LETTER L - LATIN SMALL LETTER L
> uplow \x0052\x0072 1235,1235 Rr LATIN
> CAPITAL LETTER R - LATIN SMALL LETTER R
> uplow \x0054\x0074 2345,2345 Tt LATIN
> CAPITAL LETTER T - LATIN SMALL LETTER T
>
> class digitletter abcdefghij
> context $d[]%digitletter @6
> context $d"."[]%digitletter @6
>
> context $U2[]$u @6
> context $U[]$u @6
>
>
> --
> Christian Egli
> Swiss Library for the Blind, Visually Impaired and Print Disabled
> Grubenstrasse 12, CH-8045 Zürich, Switzerland
>
>
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