[fpc-pascal] FPC 3: disabling automatic AnsiString codepage conversion
Michael Van Canneyt
michael at freepascal.org
Mon Apr 4 10:32:58 CEST 2016
On Mon, 4 Apr 2016, Tobias Giesen wrote:
> my application uses the AnsiString type to store UTF-8 data. That was
> totally fine. Now in FPC 3, automatic conversions cause data loss. I
> get question marks replacing Chinese characters, for example.
> I do not fully understand at which points these conversions are done.
> The FPC 3 Unicode documentation says something about "passing it to a
> RTL routine".
> What about this code:
> var a,b:Ansistring;
> Is "Copy" an RTL routine? Is this OK or not?
> Best for me would be to be able to turn the conversions off completely.
You cannot, but you can set DefaultSystemCodePage to CP_UTF8.
Then no conversions will be done for all ansistrings that contain UTF8.
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