Re: Resource Fork - is this a good use/the right thing to do?

FROM : glenn andreas
DATE : Thu Apr 24 14:41:13 2008

On Apr 24, 2008, at 6:08 AM, Daniel DeCovnick wrote:

> The tips are appreciated. AFAICT, the limit on total resource sizes 
> is within a kB or 2 of 2 or 4 GB, with the limitation that the last 
> resource must start within the first ~16 MB. Given the fact that the 
> files I'm opening are in the 1-300k range, I suspect I have bigger 
> problems than the resource file format if I start to approach that 
> limit.
>
> One thing I can't figure out though... why is the limit 2727? 
> Assuming you have only 1 resource type and no names, you can fit 
> exactly twice that many references in the map. It's not relevant to 
> my problem, but I am curious.



Each resource entry is a 12 byte structure (2 byte ID, 2 byte offset 
to name, 1 byte flag, 3 byte offset to data, 4 bytes used as handle 
when loaded into memory). Combined with 2 byte offset limit on the 
size of the resource entry list, that gives 65535 / 12 = 2727.


Glenn Andreas                      <email_removed>
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