[fpc-devel] StrPos giving a access violation

Jonas Maebe jonas.maebe at elis.ugent.be
Mon Dec 12 13:00:50 CET 2005

On 12 dec 2005, at 12:17, Micha Nelissen wrote:

>> strpos, I don't know about Delphi. If you typecast an  ansistring  
>> to a pchar, then the compiler makes sure that if the  ansistring  
>> is empty (and thus a null pointer), a valid pointer to an  empty  
>> null-terminated string is returned.
> Is that not also undocumented behaviour ?

I'm quite sure it isn't: afaik typecasting an ansistring to a pchar  
is fully supported. This means that an empty ansistring must result  
in an empty (as opposed to an invalid) pchar.


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