[TUHS] question about V7 ls(1) vs. sys/stat.h and ls.c

[Greg 'groggy' Lehey]

On Thursday, 22 May 2003 at 20:32:09 -0700, Chris Palmer wrote:
> Aharon Robbins writes:
>
>> 	long
>> 	nblock(size)
>> 	long size;
>> 	{
>> 		return((size+511)>>9);
>> 	}
>
> Unfortunately I can't answer any of your questions; I can only ask a new
> one: What's with that "511" in there?

Sector size - 1, just like the 9 is log(2) (511).  It converts bytes
to sectors.

Greg
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