Indeed, this seems to be a bug. It also tells us to write good
parsers. If the parsers do the right thing, this "bug" won't
appear....
Vadim Chekan wrote:
>
> Hello!
>
> I wrote my own external parser for WinWord document and done error in it.
> External parser must write to stdout "w \t <3 parameters>". But if
> parameters is less then 3 then Dig core dump. After debuging htdig.core i
> found problem in source code. Function strtok return null if no more tokens.
> But any chek don't done.
>
> Vadim Chekan.
>
> Index: ExternalParser.cc
> ===================================================================
> RCS file: /opt/htdig/cvs/htdig3/htdig/ExternalParser.cc,v
> retrieving revision 1.2
> diff -u -p -r1.2 ExternalParser.cc
> --- ExternalParser.cc 1997/03/24 04:33:16 1.2
> +++ ExternalParser.cc 1998/11/16 14:27:27
> @@ -156,7 +156,10 @@ ExternalParser::parse(Retriever &retriev
> token1 = strtok(0, "\t");
> token2 = strtok(0, "\t");
> token3 = strtok(0, "\t");
> +if ( token1!=NULL & token2!=NULL & token3!=NULL )
> retriever.got_word(token1, atoi(token2), atoi(token3));
> +else
> +cerr<< "External parser error in line:"<<line<<"\n";
> break;
>
> case 'u': // href
>
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