On Tue, 11 Jan 2022, Alexey Tor. via fpc-pascal wrote:

Hello. As I see in the commit https://gitlab.com/freepascal.org/fpc/source/-/commit/beecbf1581a986f544fde77aa428e05c21a35f6f

StrToInt always uses ShortString buffer:

*Function fpc_Val_SInt_ShortStr(DestSize: SizeInt; Const S: ShortString; out Code: ValSInt): ValSInt;*

If it is correct: Can we skip using ShortString buffer and have e.g. 'common' PChar base function for AnsiString/ShortString?

It's not that easy.

From the definition you can see it is a compilerproc function, meaning that the compiler writes direct calls to this. To change the signature of the function means the compiler itself also must be changed.

Michael.
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