[Date Prev][Date Next]
[Chronological]
[Thread]
[Top]
Re: ldap_search_s
Well, if you use the iterators then they return a NULL. The search
function itself does not.
Tom
On Mon, 3 Apr 2000, Randy Kunkee wrote:
> Interesting. I'm sure I have some code where I set my message pointer to
> a NULL, and assume that if it is non-NULL, that I must free it. This was
> easier than trying to keep track of where it failed. This tells me I have
> a problem.
>
> >
> > I answered this question for myself. It is "NO."
> >
> > Tom
> >
> > On Mon, 3 Apr 2000 tkaczma@gryf.net wrote:
> >
> > >
> > > Thanks, this makes more sense. Can I expect the pointer to have it's
> > > original value after the search function is called if the search yields no
> > > results?
> > >
> > > Tom
> > >
> > > On Sat, 1 Apr 2000, Randy Kunkee wrote:
> > >
> > > > >
> > > > > Why does ldap_search_s take LDAPMessage ** as one of the arguments?
> > > > >
> > > > > >From what I see only one LDAPMessage is ever returned. It a bit confusing
> > > > > as LDAPMessage implies that it is a linked list. Can someone explain to
> > > > > me why a doble pointer is necessary?
> > > > >
> > > > > Thanks;
> > > > > Tom
> > > > >
> > > > >
> > > >
> > > > The return value of ldap_search_s is LDAP_SUCCESS, or an error code.
> > > > The LDAP client library allocates memory, needs to return a pointer
> > > > to that message. Since the status of the search is being returned
> > > > by the function, the pointer to result message structure must be
> > > > returned some other way. Since what is being returned is an LDAPMessage *,
> > > > a pointer to that kind of memory is an LDAPMessage **.
> > > >
> > > > By the way, you must free this when you are finished with it using
> > > > ldap_msgfree.
> > > >
> > > > Example of usage would be:
> > > >
> > > > int resCode;
> > > > LDAPMessage *ldapResultMessage; /* will point to the result */
> > > > .
> > > > .
> > > > resCode = ldap_search_s(.... , &ldapResultMessage);
> > > > if (resCode == LDAP_SUCCESS) {
> > > > .
> > > > .
> > > > ldap_msgfree(ldapResultMessage);
> > > > } else {
> > > > /* print error */
> > > > }
> > > >
> > > >
> > > > Regards,
> > > > Randy
> > > >
> > >
> >
> >
>