BOUNCE rtl@rtlinux.org: Approval required: Non-member submissionfrom ["James H. Puttick" <james.puttick@kvs.com>] (fwd)

[Der Herr Hofrat <der.herr@hofr.at>]

>From owner-rtl Mon Jun 18 12:37:40 2001
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From: "James H. Puttick" <james.puttick@kvs.com>
Organization: Kerr Vayne Systems Ltd.
To: rtl@rtlinux.org
Date: Mon, 18 Jun 2001 14:31:20 -0400
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Subject: Re: [rtl] Bug in rt_com-0.5.3.
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> From: Denis RICHARD <dri@sxb.bsf.alcatel.fr>
>
> Hi all,
>
> I found a bug in rt_com-0.5.3.
>
> To verify free space remaining in a buffer (input or output), the
> indexes head and tail are compared. But when the buffer is full
> (head == tail), it is considered as empty. It cannot do the difference
> between a full and an empty buffer.
>
> To solve that, I added a counter (used) in the rt_buf_struct structure,
> which count the numbers of characters in the buffer.
>
> Attach the diff file.
>
> Denis

I ran into the same problem. However, I fixed it by modifying 
rt_com_buff_free() to return a value 1 less than previously. I also 
made what I thought were a couple of other improvements. These 
changes have been posted on sourceforge.net as release "0.5.5 pre1".

-- James


----------------------------------------
James H. Puttick

Kerr Vayne Systems Ltd.
1 Valleywood Drive, Unit 5A
Markham, Ontario L3R 5L9
Canada

+1 905 475 6161  office
+1 905 479 9833  fax

mailto:james.puttick@kvs.com
----------------------------------------

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