- From: <Irene.Vatton@inrialpes.fr>
- Date: Mon, 03 Jan 2000 18:06:56 +0100
- To: Michal Jaegermann <michal@ellpspace.math.ualberta.ca>
- cc: www-amaya@w3.org
Hi,
You're right, I'm going to clean up these errors.
In-reply-to: Your message of Tue, 28 Dec 1999 00:39:20 -0500."
<199912280539.WAA22854@ellpspace.math.ualberta.ca>
> I took a closer look at amaya-2.4. Various issues which I mentioned
> in the past are still in the current sources - so I will not repeat
> myself. Still the biggest gotcha is that all '...handler.c' sources
> from thotlib/image are basically broken as they all include a code
> in this style:
>
> void PngPrint (...., int fd, ....)
> {
> ....
> fprintf((FILE *)fd,....
> ....
> }
>
> Surprise! C does not guarantee that pointer will fit into int and
> indeed - this happens to be the case on my Alpha, for example - so if
> (FILE *) was passed to a function in 'int' we just lost a significant
> chunk of it. May work accidentally somewhere but it does not make the
> code correct. As a result (not necesarily of the particular piece of
> a code above) if I try to look at some 'screenshot' in a graphic
> format I am getting a blank screen and maybe a message like this one "
> *** Thot: Irrecoverable error ***[1]+ Done(1)".
>
> >From "not seen before" department I notice quite a few instances
> of something like " ...if (c == _TABULATION_) ... " where 'c'
> is 'char', or maybe 'int'. The trouble is that from headers
> follows that _TABULATION_ is a pointer to a string so a comparison
> is not likely to evaluate to "true".
>
> Other than that things seem to work (if one discounts occasional
> complaints about "unaligned access" or crashes).
>
> Regards,
> Michal
> michal@harddata.com
>
>
>
>
Irene.
Received on Monday, 3 January 2000 12:07:09 UTC