Simplify the use of IscHandlerList.

src/libraries/libisc-new/ChangeLog

+1999-04-16  Per Cederqvist  <ceder@gratia>
+
+	Simplify the use of IscHandlerList.  (This needs more
+	documentation.)
+	* src/isc.h (IscSession): Removed the "IscHandlerCache fun"
+	member.
+	(ISC_HCALLFUN1): Adapted to IscHandlerList changes.
+	(ISC_HCALLFUN2): Adapted to IscHandlerList changes.
+	(ISC_HCALLFUN3): Adapted to IscHandlerList changes.
+	* src/intern.h (ISC_SCALLFUN1): Use ISC_HCALLFUN1 to simplify
+	code.  Adapted to IscHandlerList changes.
+	(ISC_SCALLFUN2): Analogous.
+	(ISC_SCALLFUN3): Analogous.
+	* src/isc_handler.c (isc_pushhandler): Modified so that the
+ 	members of the member "current" of IscHandlerList objects points
+ 	to the IscHandler object where the callbacks that should be used
+ 	exist.  Once that changes was done, there is no need for the
+ 	"scb->fun" member, so it was removed.
+	(isc_pophandler): Adjusted accordingly.
+	* src/isc_session.c (isc_create): Removed the code that
+	initialized scb->fun.
+	(isc_destroy): Use scb->handlers->current instead of scb->fun.
+	* src/isc_event.c (isc_getnextevent): Use scb->handlers->current
+	instead of scb->fun.
+
 1999-04-15  Per Cederqvist  <ceder@lysator.liu.se>
 
 	Allow disabled sessions to emit data.  It is input from the