On 28/09/2014 18:10, Michael Van Canneyt wrote:
> From your story, I doubt your problems are Firebird related. Firebird
> (or any other DB client lib) just uses the buffers you provide.
Except that - as I mentioned - replacing my db layer calling Firebird
with a dummy layer that does nothing resol
On 2014-09-28 10:32, Michael Van Canneyt wrote:
> I do a lot of work with firebird embedded, and I've never even come close
> to the problems you're experiencing ?
+1
Using Embedded and C/Server in a few projects under Windows and Linux
(unofficial support) and it works fine here too. I use FPC'
On Sun, 28 Sep 2014, Reinier Olislagers wrote:
On 28/09/2014 11:32, Michael Van Canneyt wrote:
On Sun, 28 Sep 2014, Reinier Olislagers wrote:
After hopefully getting parameter passing fixed (I hope, thanks Mark),
I'm still facing this problem:
dll using Firebird crashes on Windows and Lin
On 28/09/2014 14:52, Mark Morgan Lloyd wrote:
> Reinier Olislagers wrote:
>> On 28/09/2014 13:54, Mark Morgan Lloyd wrote:
> I think the first thing I'd try is a trivial program+DLL checking that
> the DLL can initialise a database library, in case there's something
> wrong with multistage initiali
Reinier Olislagers wrote:
On 28/09/2014 13:54, Mark Morgan Lloyd wrote:
Reinier Olislagers wrote:
But when your code modifies strings in the context of the database
library they're preallocated C-type strings, i.e. can't be extended or
shrunk so don't make unexpected reference to any memory mana
On 28/09/2014 13:54, Mark Morgan Lloyd wrote:
> Reinier Olislagers wrote:
> But when your code modifies strings in the context of the database
> library they're preallocated C-type strings, i.e. can't be extended or
> shrunk so don't make unexpected reference to any memory manager.
Yes, I agree. Ho
Reinier Olislagers wrote:
If the custom library never made any attempt to access Pascal-type
(long) strings, dynamic arrays, or anything else on the heap which might
be reallocated or extended when referenced (i.e. not just at creation),
then you'd not need to do anything special. But as soon as
On 28/09/2014 13:02, Mark Morgan Lloyd wrote:
> So in your case (2) there are three separate binaries which potentially
> allocate and free memory: (i) the database library (ii) the custom
> DLL/so and (iii) the application program, and in the general case each
> one should free precisely those are
Reinier Olislagers wrote:
May be me, but I have trouble understanding why:
1. A regular program loading Firebird .so/.dlls works without any
specified cmem etc. Here application<>Firebird dll
2. An FPC library, coded similarly to 1., fails.
Here application<>dll<>Firebir dll
The difference betwe
On 28/09/2014 11:30, Mark Morgan Lloyd wrote:
> Reinier Olislagers wrote:
> Can you link the lookup DLL/so statically for test purposes?
I'll have a look.
>> If I add cmem first in the .so uses clause, I get this on running my
>> dlldemo application:
>> Inconsistency detected by ld.so: dl-minimal.
On 28/09/2014 11:32, Michael Van Canneyt wrote:
>
>
> On Sun, 28 Sep 2014, Reinier Olislagers wrote:
>
>> After hopefully getting parameter passing fixed (I hope, thanks Mark),
>> I'm still facing this problem:
>> dll using Firebird crashes on Windows and Linux
>> Using a dummy db unit that does
On Sun, 28 Sep 2014, Reinier Olislagers wrote:
After hopefully getting parameter passing fixed (I hope, thanks Mark),
I'm still facing this problem:
dll using Firebird crashes on Windows and Linux
Using a dummy db unit that does not connect to Firebird: everything ok.
Perhaps a stupid questi
Reinier Olislagers wrote:
After hopefully getting parameter passing fixed (I hope, thanks Mark),
I'm still facing this problem:
dll using Firebird crashes on Windows and Linux
Using a dummy db unit that does not connect to Firebird: everything ok.
Can you link the lookup DLL/so statically for t
After hopefully getting parameter passing fixed (I hope, thanks Mark),
I'm still facing this problem:
dll using Firebird crashes on Windows and Linux
Using a dummy db unit that does not connect to Firebird: everything ok.
Compiler options on a Windows compile:
-MObjFPC -Scaghi -WR -Cirot -Os -gw2
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