getNextEdgeId

LWT_ELEMID(* LWT_BE_CALLBACKS_T::getNextEdgeId) (const LWT_BE_TOPOLOGY *topo)

Get next available edge identifier.

Identifiers returned by this function should not be considered available anymore.

Parameters

topo	the topology to act upon

Returns

next available edge identifier or -1 on error

Definition at line 311 of file liblwgeom_topo.h.