cdesktopenv/cde/programs/dtappbuilder/src/libABobj/obj_trigger.c

115 lines
2.6 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*
* $XConsortium: obj_trigger.c /main/3 1995/11/06 18:39:23 rswiston $
*
* %W% %G% cde_app_builder/src/libABobj
*
* RESTRICTED CONFIDENTIAL INFORMATION:
*
* The information in this document is subject to special
* restrictions in a confidential disclosure agreement between
* HP, IBM, Sun, USL, SCO and Univel. Do not distribute this
* document outside HP, IBM, Sun, USL, SCO, or Univel without
* Sun's specific written approval. This document and all copies
* and derivative works thereof must be returned or destroyed at
* Sun's request.
*
* Copyright 1993 Sun Microsystems, Inc. All rights reserved.
*
*/
/*
* trigger.c - Action triggers
*/
#include <stdio.h>
#include <stdlib.h>
#include <ab_private/util.h>
#include "objP.h"
/*
* Creates and inits a trigger.
*/
ABTrigger
trigger_create(void)
{
ABTrigger trigger= NULL;
trigger= (ABTrigger)malloc(sizeof(*trigger));
trigger_init(trigger);
return trigger;
}
int
trigger_destroy(ABTrigger trigger)
{
trigger_release(trigger);
util_free(trigger);
return 0;
}
/*
* Sets default values for all the fields
*/
int
trigger_init(ABTrigger trigger)
{
trigger->next= NULL;
trigger->prev= NULL;
trigger->owner= NULL;
trigger->from= NULL;
trigger->when= AB_WHEN_UNDEF;
return 0;
}
/*
* Releases all resources and links the trigger may have. It is safe
* to delete the object after it is released.
*/
int
trigger_release(ABTrigger trigger)
{
return trigger_unlink(trigger);
}
/*
* Removes the trigger completely from the network of data structures.
*/
int
trigger_unlink(ABTrigger trigger)
{
if (trigger->owner != NULL)
{
obj_action_remove_trigger(trigger->owner, trigger);
}
return 0;
}