[fpc-devel] StrPos giving a access violation
graeme at mastermaths.co.za
Mon Dec 12 13:18:55 CET 2005
Jonas Maebe wrote:
>> 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.
Taken from Delphi 7 help:
Mixing Delphi strings and null-terminated strings
* You can also use Pointer(S) to cast a long string to an untyped
pointer. But if S is empty, the typecast returns nil.
* PChar(S) always returns a pointer to a memory block; if S is empty, a
pointer to #0 is returned.
- Graeme -
More information about the fpc-devel