[fpc-pascal]Pointer Help

[James Mills]

On Sun, Feb 09, 2003 at 02:22:55PM +0100, Anton Tichawa wrote:
> Hello, James!
> 
> I found an error at GetMem / ReAllocMem: Your code:
> 
>   getMem(tmpStrings, 100);
>   {reAllocMem(tmpStrings, (I + 1));}
> 
> reserves 100 or (I + 1) BYTES, but you need space for 100 or (I + 1) 
> STRINGS, i. e. the code should be:
> 
>   getMem(tmpStrings, SizeOf(String) * 100);
>   {reAllocMem(tmpStrings, SizeOf(String) * (I + 1));}
> 
> Even then, I don't know if fpc behaves correctly converning deallocation when 
> <String> defaults to <AnsiString>. Maybe somebody else can respond to this?
> 
> Another note: Please replace tabulators by spaces when posting code.
> 
> Hope this Helps.
> 
> Anton Tichawa.

Thank you, I"ll try that.

> 
> 
> 
> On Sunday 09 February 2003 11:30, you wrote:
> > Hi all,
> >
> > Sorry if this is trivial, but I'm sick of it :)
> > I'm using fpc to convert my (originally delphi) code to read and write
> > ini style files, however writing will not work as I want, the data in
> > the pointer keeps getting filled with junk.
> >
> > I'm using getMem, and reAllocMem functions to create dynamic arrays of
> > strings. The writeINI function reads the entire file in, but doesn't
> > even do that correctly.
> >
> > I have a test program that uses the same idea, and it works perfectly,
> > so I'm very bewildered :(
> >
> > attached is the code if someone would like to have a look at it, please.
> >
> > thank you
> > James
> 
> 
> 
> ----------
> 
> "Adas Methode war, wie sich zeigen wird, Tagtr?ume in offenbar korrekte 
> Berechnungen einzuweben."
> 
> Doris Langley Moore: Ada, Countess of Lovelace (London 1977).
> 
> ----------
> 
> Anton Tichawa
> Volkertstrasse 19 / 20
> A-1020 Wien
> mobil: +43 664 52 07 907
> email: anton.tichawa at chello.at
> 
> ----------
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