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Message-ID: <4A808A92.1000800@orcasystems.com>
Date: Mon, 10 Aug 2009 14:01:06 -0700
From: James Tomaschke <james@orcasystems.com>
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To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
References: <4A7F246E.8000504@tecmav.com>
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Subject: Re: [9fans] Unexpected 8c warning message
Topicbox-Message-UUID: 4119721e-ead5-11e9-9d60-3106f5b1d025

What about,

i = 0;
do {
	SD = SDList[i++];
	...
} while(i<2);


Adriano Verardo wrote:
> Hi, all.
>
> SDes_t  *SDList[2], *SD;
> ....
> n = ...       //  0, 1, 2, ...
>
> //SD = SDList[0];         <= uncommenting this one the warning disappear.
>
> for (i = 0;  i < 2;  i++)
> {
>       SD = SDList[i];
>       while (n && SD)
>       {
>             SD = SD->next;
>             if (SD) n--;
>       }
> }
>
> if (!SD) {  ..... }    ---> used and not set SD ???
>
> 8c shouldn't issue the warning message, beeing SD assigned in a loop
> defined by constants ... unless there is a subtle (my) error that I
> don't see.
>
> Thanks for the help.
>
> adriano
>
>
>
>