Have you instrumented your code?
> -----Original Message-----
> From: sqlite-users-bounces at mailinglists.sqlite.org [mailto:sqlite-users-
> bounces at mailinglists.sqlite.org] On Behalf Of Bart Smissaert
> Sent: Saturday, 26 December, 2015 12:33
> To: SQLite mailing list
> Subject: Re: [sqlite] Malloc getting segmentation fault in sqlite
>
> VB6 is the original Visual Basic, unfortunately ditched by MS some years
> ago and replaced by .Net.
>
> Yes, I am sure it is some kind of memory problem, but where (what line)
> could it possibly occur?
> All I can think of is this line:
> sqlite3_result_text lPtr_ObjContext, VarPtr(arrBytes1(0)), lPos - 1,
> SQLITE_TRANSIENT
> But as it uses SQLITE_TRANSIENT, I understand SQLite will make local copy
> and deal with it properly itself.
>
> All the other code is just copying data from SQLite to local VB6
> variables.
>
> RBS
>
>
>
>
> On Sat, Dec 26, 2015 at 6:52 PM, Simon Slavin <slavins at bigfraud.org>
> wrote:
>
> >
> > On 26 Dec 2015, at 5:23pm, Bart Smissaert <bart.smissaert at gmail.com>
> > wrote:
> >
> > >> all is perfectly fine when the SQL statement has only one UDF in it
> > >
> > > Just a correction on this. Have now also seen problems when there is
> only
> > > one UDF in the SQL statement.
> > > It is not entirely predictable, so sometimes get crash and on other
> > > occasions I don't.
> >
> > That is typical of memory mis-management problems everyone runs into
> from
> > time to time. You are probably releasing or overwriting memory which
> > SQLite thinks it can depend on. Unfortunately I don't know the version
> of
> > BASIC you're using, but your commands 'ReDim', for example, make me
> think
> > memory is being released.
> >
> > Simon.
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