Newsgroups: comp.lang.pascal
Path: utzoo!utgpu!watserv1!watmath!nmouawad
From: nmouawad@watmath.waterloo.edu (Naji Mouawad)
Subject: Re: need dynamic array on heap
Message-ID: <1991Apr14.205511.11509@watmath.waterloo.edu>
Organization: University of Waterloo
References: <1991Apr12.234843.9031@ux1.cso.uiuc.edu>
Date: Sun, 14 Apr 1991 20:55:11 GMT
Lines: 39

In article <1991Apr12.234843.9031@ux1.cso.uiuc.edu> amead@s.psych.uiuc.edu (alan mead) writes:
>I want to put aside a chunk of the heap and then index it by byte like 
>an array of byte.  I could just declare it as some type like 
>'array[1..64000] of byte', but I want to use GetMem so that the array will
>really be dynamic (I don't want to use 64K each time).
>
>So, I'm trying this:
>
>program Test;
>  type
>    C_arrayType = array[1..1] of byte;
>  var
>    Buff : ^C_arrayType;
>  begin
>    GetMem( Buff,1000 );
>    Buff[1]^ := 2;
>  end.
>
>But I get 
>
>  Buff[1]^ := 2;
>      ^ Invalid qualifier
>

  try Buff^[1] := 2;

You are using a pointer to an array. Thus, you point first to the
array and then you index it.

>Thanks,
>
>-alan mead : amead@s.psych.uiuc.edu

--Naji.
-- 
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    | Naji Mouawad  |          nmouawad@watmath.waterloo.edu            |
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