[fpc-pascal] TStringStream.DataString returns garbage?
michael.vancanneyt at wisa.be
michael.vancanneyt at wisa.be
Fri Feb 3 10:35:44 CET 2012
On Fri, 3 Feb 2012, Marco van de Voort wrote:
> In our previous episode, michael.vancanneyt at wisa.be said:
>>> On textfiles you only stream contents, on binary files usually a length
>>> field (which can be 1,2,4 bytes depending on format) + contents.
>>
>> The latter exists:
>>
>> http://www.freepascal.org/docs-html/rtl/classes/tstream.writeansistring.html
>>
>> We could make an optional parameter "AsText : Boolean = False" which would
>> then write the former.
>>
>> Downside is that the 'read' operation will not be able to read the text form.
>
> If necessary I would simply add a separate version "writetext", and not
> multiplex it on writeansistring. But as said this is all a slippery slope,
> specially with unicode profileration ahead. We are going writeunicodestring
> sooner or later :-)
Exactly the reason for multiplexing it. It reduces proliferation.
But I'm not exactly convinced that this kind of call is needed.
Michael.
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