[Gambas-user] Cannot Split() against ASCII NUL byte

[Jim Provan]

I stand corrected. Thank you.

Jim Provan


On Mon, Aug 5, 2013 at 11:31 AM, Tobias Boege <taboege at ...626...> wrote:

> On Mon, 05 Aug 2013, Jim Provan wrote:
> > On 08/05/2013 09:53 AM, Tobias Boege wrote:
> > > Hi,
> > >
> > > the Split() function seems to have problems splitting against the
> ASCII NUL
> > > (aka "\0") byte. In the attached project, there are four test cases
> from
> > > whose results I assume that Split() stops working on the separator
> when it
> > > encounters a NUL just if it was a C string. Look especially at the last
> > > test.
> > >
> > > I currently work around this issue by using the "tr" program.
> > >
> > > Regards,
> > > Tobi
> > >
> > >
> > >
> ------------------------------------------------------------------------------
> > > Get your SQL database under version control now!
> > > Version control is standard for application code, but databases havent
> > > caught up. So what steps can you take to put your SQL databases under
> > > version control? Why should you start doing it? Read more to find out.
> > >
> http://pubads.g.doubleclick.net/gampad/clk?id=49501711&iu=/4140/ostg.clktrk
> > >
> > >
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> > This will always occur in any language, as a string is terminated by the
> > null character internally.
> >
>
> Bzzzt! Wrong. In Gambas a string is a structure containing a pointer and a
> length so that the data can contain as much NUL as you want. Look at [0]
> and
> especially at [1] were I was told the same thing.
>
> Split() may be one of the functions mentioned there which by design (not by
> bug) do not support "\0" but in my imagination - without knowing the code -
> it should be as easy as using memmem() instead of strstr() to find a Gambas
> string (Separator) in another Gambas string (Text) and to split
> accordingly.
>
> Regards,
> Tobi
>
> [0] http://gambasdoc.org/help/lang/type/string?v3
> [1] http://sourceforge.net/mailarchive/message.php?msg_id=29289747
>
>
> ------------------------------------------------------------------------------
> Get your SQL database under version control now!
> Version control is standard for application code, but databases havent
> caught up. So what steps can you take to put your SQL databases under
> version control? Why should you start doing it? Read more to find out.
> http://pubads.g.doubleclick.net/gampad/clk?id=49501711&iu=/4140/ostg.clktrk
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