Re: pgsql: Added files containing changes between gram.y and preproc.y.

On Fri, Nov 14, 2008 at 09:16:20AM -0300, Alvaro Herrera wrote:
> I stumbled upon this
>
> +               case ET_FATAL:
> +                       if (yyin)
> +                               fclose(yyin);
> +                       if (yyout)
> +                               fclose(yyout);
> +                       if (unlink(output_filename) != 0 && *output_filename != '-')
> +                               fprintf(stderr, _("could not remove output file \"%s\"\n"), output_filename);
>
> and wondered if this works when you have an output file named
> "-foobar.c" or something like that ...

If this file is not deletable this will probably not work, I agree. This code
is pretty old and apparently no one ever tried but still also checking for
output_filename[1] beng blank or '\0' seems to make sense.

Michael
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