>
> Do you check returned value for nil?
Yes, this Simple function is just one of a big set of UDFs that we exported
in the same dll/so file. We have been using these functions in production
for more than 10 years. I stumbled upon this issue when I tried to compile
the same working code (without
06.05.2019 14:59, Massimo Fazzolari wrote:
I use this udfmalloc, on windows is defined as:
function udfmalloc(Size: Integer): Pointer; cdecl; external 'ib_util.dll' name
'ib_util_malloc';
Do you check returned value for nil?
BTW, "Integer" is not always right declaration for the
>
> What is in firebird.log ?
Nothing in the firebird.log
How UDF is declared in DB ?
DECLARE EXTERNAL FUNCTION SIMPLE
CSTRING (254)
RETURNS CSTRING (254) FREE_IT
ENTRY_POINT 'Simple' MODULE_NAME 'SitaUdfLib.dll'
How UDF is declared in Pascal ?
function Simple(sz: PChar): PChar;
06.05.2019 10:48, Massimo Fazzolari wrote:
Hello,
I have an UDF lib compiled with FPC 3.0.4 (Lazarus 2.0.2) that works properly on linux (Ubuntu 18.04 and Firebird 2.5.8.27089) but
Firebird crashes on Windows with this error everytime I invoke any of the user defined functions:
*Error
06.05.2019 12:08, Massimo Fazzolari wrote:
There is no code changes to my UDF source code between the version compiled with FPC 2.6.3
(which works on both linux and windows) and FPC 3.0.4 (which doesn't work on Windows, but
works on Linux).
Some bugs (such as wrong calling convention usage)
Hello,
I have an UDF lib compiled with FPC 3.0.4 (Lazarus 2.0.2) that works
properly on linux (Ubuntu 18.04 and Firebird 2.5.8.27089) but Firebird
crashes on Windows with this error everytime I invoke any of the user
defined functions:
*Error writing data to connection*
The same UDF library
