NIS+ enumeration of all database entries
Luke Kenneth Casson Leighton
lkcl at switchboard.net
Mon May 18 13:49:18 GMT 1998
On Mon, 18 May 1998, Benny Holmgren wrote:
> On Mon, 18 May 1998, Luke Kenneth Casson Leighton wrote:
> > how, in NIS+, do you enumerate all the entries in a database table?
> The nis_list() function does that. It can be used in two ways, either
> passing a function pointer to a callback routine which is called for each
> entry or without a callback routine which returns all the entries in one
> result structure. The first way is better for large tables ofcourse.
ok, how do you enumerate a (large) list, efficiently, one at a time, but
not with a callback?
i would like to implement:
but sadly i am informed that nis_first_entry() and nis_next_entry() are
slow. these would be the preferred option, however, to fit this
the alternative is to do a nis_list() of absolutely everything in
startnispwent(), have a struct which contains the result, an int of the
size and an enumeration int. on each call to nextnispwent() you return
result[enum_int++] until enum_int == max_size. in endnispwent() you call
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