From owner-freebsd-stable  Thu Jun 28 17:49: 6 2001
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Date: Fri, 29 Jun 2001 08:49:15 +0800 (CST)
From: Tai-hwa Liang <avatar@mmlab.cse.yzu.edu.tw>
To: John Polstra <jdp@polstra.com>
Cc: <stable@freebsd.org>
Subject: Re: lseek(SEEK_END) then read()... bug of feature?
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On Thu, 28 Jun 2001, John Polstra wrote:
[...]
> > 	off_t		offset;
> > 	int		ret, fd = open("/kernel", O_RDONLY);
> >
> > 	offset = 0 - sizeof(int);
>
> Due to C's type promotion rules, this assigns the value 4294967292
> to "offset".  Change it to this:
>
>   	offset = (off_t)0 - sizeof(int);
>
> and your program works fine.
>
Ah, that did the trick! Thanks a lot for your information.


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