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From: f88ho@efd.lth.se (Hans Olsson)
Newsgroups: comp.sys.amiga,comp.sys.amiga.tech
Subject: Re: "chip" in SAS C
Message-ID: <1991Jan6.121131.26367@lth.se>
Date: 6 Jan 91 12:11:31 GMT
References: <1991Jan4.031246.20044@cs.uoregon.edu> <1991Jan6.092515.6970@cs.uoregon.edu>
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Reply-To: f88ho@efd.lth.se (Hans Olsson)
Organization: Lund Institute of Technology, Sweden
Lines: 31

In article <1991Jan6.092515.6970@cs.uoregon.edu> rlittle@cs.uoregon.edu (Robert A. Little) writes:
[..deleted]
>Two things...First: I mistyped the message--my code read:
>
>USHORT chip ImageData[]={0xF7000,0xEFFF,...};
>
>Second:
>The compiler would only compile the code if I moved it from within a procedure
>to a global declaration...it compiles fine now...my only question is, Why?
>Why won't it compile if the declaration is made within a procedure?  Some type
>of a scope problem?
>

Things declared inside of procedures are normally allocated from the stack,
so in order to make it work the compiler would have to do the following:

Allocate memory upon entry of function.
Free memory then you leave the function.

And maintain a list of this memory so still could exit() from the function.

This is a bit more than a pair of link/unlink.

I don't see any reasons why it shouldn't work it you used
static chip ImageData... inside a function
,but I don't have lattice so I can't test it.
-- 
----------
Hans Olsson   Email: f88ho@efd.lth.se   
              Snail: K[MN[RSV[GEN 8:118 
                     222 45 Lund Sweden