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csa_free_time_search(3)




csa_free_time_search(3)C LIBRARY FUNCTIONScsa_free_time_search(3)

NAME
     csa_free_time_search - searches one or  more  calendars  for
     available free time

SYNOPSIS
     #include <csa.h>

     CSA_return_code csa_free_time_search(CSA_session_handle session,
					  CSA_date_time_range date_time_range,
					  CSA_time_duration time_duration,
					  CSA_uint32 number_users,
					  CSA_calendar_user *calendar_users,
					  CSA_free_time	**free_time,
					  CSA_extension	*free_time_search_extensions);

DESCRIPTION
     The csa_free_time_search()	function searches  for	available
     free  time	 on  one  or more calendars and	returns	a list of
     free time intervals found.	 Free time is an interval of time
     that  is  not  currently scheduled	on one or more calendars.
     The free time search is based on a	date and time  range  and
     the  minimum  time	duration required of the free time inter-
     val.   Only  the  owner  of   the	 calendar,   users   with
     CSA_FREE_TIME_SEARCH,  users  with	 CSA_VIEW_PUBLIC_ENTRIES,
     users  with  CSA_VIEW_CONFIDENTIAL_ENTRIES,  or  users  with
     CSA_VIEW_PRIVATE_ENTRIES  can  search  the	calendar for free
     time.

ARGUMENTS
  Session (Session Handle)
     Opaque session handle that	represents  a  session	with  the
     calendaring service.

     Session handles are created by a  logon  function	call  and
     invalidated  with	a  logoff  function call.  If the session
     handle	 is	 invalid,      then	  the	    error
     CSA_E_INVALID_SESSION_HANDLE is returned.

  Date Time Range (Date	Time Range)
     Specifies the start and stop date and  time  range	 for  the
     free  time	 search.  If the date_time_range is invalid, then
     the error CSA_E_INVALID_DATE_TIME is returned.

  Time Duration	(Time Duration)
     Specifies the minimum time	range for the free time	intervals
     to	 be  sought.   If  the time duration is	invalid, then the
     error CSA_E_INVALID_DATE_TIME is returned.

  Number Users (Uint32)
     The number	of elements in the calendar_users argument.

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csa_free_time_search(3)C LIBRARY FUNCTIONScsa_free_time_search(3)

  Calendar Users (Calendar User)
     A pointer to an array of calendar users.  This specifies the
     calendars	to  be	searched for available free time.  If the
     user does not have	authority to access any	of the attendee's
     calendars,	 then  the  error CSA_E_NO_AUTHORITY is	returned.
     If	 an  invalid  attendee	is  specified,	then  the   error
     CSA_E_INVALID_USER	  is   returned.   It  is  implementation
     specific whether the seach	function will proceed in  any  of
     these cases.

  Free Time Search Extensions (Extension)
     A pointer to an array of CSA_extension structures	for  this
     function.	 The  array may	contain	both input extensions for
     providing additional information to the function and  output
     extensions	 for  receiving	information from the function.	A
     value of NULL indicates that the caller  is  not  using  any
     extensions.   See the extensions structure	for more informa-
     tion.

RETURN VALUE
  Free Time (Free Time)
     A pointer to a free time structure	that specifies a  set  of
     free  time	intervals.  If more free time intervals	are found
     than  can	be  represented	 in  the  available  memory,  the
     CSA_E_INSUFFICIENT_MEMORY	error  message	will be	returned.
     If	no available free time is found, then a	NULL pointer will
     be	 returned.   This  structure is	allocated by the service,
     and should	be freed with a	single call to csa_free(3).

  Free Time Search Extensions (Extension)
     If	output extensions were passed  to  the	function  in  the
     extensions	list, the results from the service will	be avail-
     able in the extension.  See  the  extensions  structure  for
     more  information.	  Whether  the function	succeeded or not,
     and, if not, why.	It may be success or one  of  the  values
     listed under ERRORS below.

ERRORS
     The csa_free_time_search()	function  returns  the	following
     error values:

	CSA_E_FAILURE
	      There was	a general failure that does not	 fit  the
	      description of any other error code.

	CSA_E_INSUFFICIENT_MEMORY
	      Insufficient memory was available	to  complete  the
	      requested	operation.

	CSA_E_INVALID_DATA_EXT
	      The data extension requested is invalid.

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csa_free_time_search(3)C LIBRARY FUNCTIONScsa_free_time_search(3)

	CSA_E_INVALID_DATE_TIME
	      An invalid date and time combination was specified.

	CSA_E_INVALID_FLAG
	      A	flag value in the flags	argument was invalid.

	CSA_E_INVALID_FUNCTION_EXT
	      The function extension requested is invalid.

	CSA_E_INVALID_PARAMETER
	      A	function parameter was invalid.

	CSA_E_INVALID_SESSION_HANDLE
	      The specified  Session  Handle  is  invalid  or  no
	      longer valid (e.g., after	logging	off).

	CSA_E_INVALID_USER
	      The specified calendar user is invalid.

	CSA_E_NO_AUTHORITY
	      The user has insufficient	authority for this  func-
	      tion.

	CSA_E_NOT_SUPPORTED
	      The operation requested is not  supported	 by  this
	      implementation.

	CSA_E_SERVICE_UNAVAILABLE
	      The requested calendar service is	unavailable.

	CSA_E_UNSUPPORTED_DATA_EXT
	      The data extension requested is not supported.

	CSA_E_UNSUPPORTED_FLAG
	      The flag requested is not	supported.

	CSA_E_UNSUPPORTED_FUNCTION_EXT
	      The specified function extension is  not	supported
	      or CSA_EXT_REQUIRED is set.

SEE ALSO
     csacsa(5),	csa_add_calendar(3), csa_add_entry(3),
     csa_call_callbacks(3), csa_delete_calendar(3),
     csa_delete_entry(3), csa_free(3),
     csa_list_calendar_attributes(3), csa_list_calendars(3),
     csa_list_entries(3), csa_list_entry_attributes(3),
     csa_list_entry_sequence(3), csa_logoff(3),	csa_logon(3),
     csa_look_up(3), csa_query_configuration(3),
     csa_read_calendar_attributes(3),
     csa_read_entry_attributes(3), csa_read_next_reminder(3),
     csa_register_callback(3), csa_unregister_callback(3),
     csa_update_calendar_attributes(3),

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csa_free_time_search(3)C LIBRARY FUNCTIONScsa_free_time_search(3)

     csa_update_entry_attributes(3).

Unix System LaboratoLast change: 1 August 1995			4


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