On Fri, 6 Aug 2010 12:29:06 +0200 (CEST)
"Imposit.com - webmaster" <webmas...@imposit.com> wrote:
>
> > That is such a case. The return NULL is okay but I must introduce
> > another return value to tell others calling the function that the user
> > is unknown (aka NULL) but that there are still other users to check.
> > Maybe I will add to hash and sqlite the iter_user variable and set
> > that to NULL if there are no more users (like it is currently done in
> > mysql/postgresql). The biggest problem is then that the code needs as
> > well to handle storage backend issues. For example in MySQL and/or
> > PostgreSQL relaying only on iter_user to be NULL if there are no users
> > would result in a endless loop if the database handle is invalid (as
> > shown above). So returning there just a NULL would not be enough. In
> > such error cases the iter_user would need to be set to NULL as well
> > (even if there are other users to be returend but a invalid database
> > handle is equal to not being able to query the backend and this is
> > anyway a "no go").
>
> ok
>
> in which cases ds_get_nextuser is used anyway?
> is it only for dspam_stats / and admin list users or something else?
>
It is used in more cases then just that:
theia dspam # find . -type f -name "*.c" -exec grep "_ds_get_nextuser" "{}"
";"|wc -l
31
theia dspam #
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