Subject | Re[2]: [firebird-support] Re: Delphi UDF with PChar |
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Author | Pavel Menshchikov |
Post date | 2006-02-16T13:38:09Z |
T> Length(InputString), I think, will always return "4" -> that is the
MT> length of the pointer.Try StrLen instead.
And don't forget about cdecl for the function.
Best regards,
Pavel Menshchikov
http://www.ls-software.com
MT> length of the pointer.Try StrLen instead.
And don't forget about cdecl for the function.
>> > > I'm having trouble writing a UDF in Delphi that returns a--
>> > > PChar. This is a simple example of what I'm trying to do:
>> > >
>> > > function test(InputString: PChar): PChar; begin
>> > > result := StrAlloc(Length(InputString));
>> > > StrCopy(result, InputString);
>> > > // Presumably the StrAlloc will be freed by the UDF's FREE IT???
>> > > end;
>> >
>> > Shouldn't you use IBMalloc (or similar name) function to allocate
>> memory
>> > instead of StrAlloc?
Best regards,
Pavel Menshchikov
http://www.ls-software.com