Initial import of the CDE 2.1.30 sources from the Open Group.
This commit is contained in:
Peter Howkins
243
cde/programs/dtpdmd/dispatch.c
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243
cde/programs/dtpdmd/dispatch.c
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/******************************************************************************
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******************************************************************************
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**
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** File: dispatch.c
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** RCS: $XConsortium: dispatch.c /main/4 1996/05/28 13:33:53 cde-hp $
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**
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** Description:
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**
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** (c) Copyright 1995, Hewlett-Packard Company, all rights reserved.
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**
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******************************************************************************
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*****************************************************************************/
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#define DISPATCH_DOT_C
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#include "dtpdmdP.h"
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/******************************************************************************
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*
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* Dispatch PDM_MANAGER requests
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*
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* note: 'rec->pdm_exec_errorcode' is set to 0 (zero) and
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* stays that way as long as no errors occur.
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* Ultimately it gets set to either and error or
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* success code.
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*/
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void dispatch_mgr( XEvent *report )
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{
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XpPdmServiceRec *rec;
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/*
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* Locate or create a client record for this request.
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*/
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rec = find_rec( report->xselectionrequest.requestor );
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/*
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* Setup the client record per the request.
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*/
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mgr_initialize( report, rec );
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if ( rec->pdm_exec_errorcode ) {
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/*
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* Reply to requestor, but with bad news that
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* basic initialization in prep to launch a
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* pdm could not be completed.
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*/
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mgr_launch_reply( rec );
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delete_rec( rec );
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return;
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}
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/*
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* Locate the pdm to be launched.
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*/
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mgr_fetch_pdm( rec );
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if ( rec->pdm_exec_errorcode ) {
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/*
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* Reply to requestor, but with bad news that
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* selection of a pdm to launch could not be
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* completed.
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*/
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mgr_launch_reply( rec );
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delete_rec( rec );
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return;
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}
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/*
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* Launch the pdm.
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*/
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mgr_launch_pdm( rec );
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if ( rec->pdm_exec_errorcode ) {
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/*
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* Reply to requestor, but with bad news that
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* the pdm could not be launched.
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*/
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mgr_launch_reply( rec );
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delete_rec( rec );
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return;
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}
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/*
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* Set state flags indicating a pdm has been started, but
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* defer the calling of 'mgr_launch_reply' until after the
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* pdm itself tells us it is up and running.
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*
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* The pdm can generate stderr which we will trap, and can
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* generate a SIGCLD which we will also trap and take
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* significant on.
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*/
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rec->pdm_exec_errorcode = g.pdm_start_ok;
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rec->do_launch_reply = True;
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/* sometime later someone else calls mgr_launch_reply( rec ) */
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return;
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}
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/******************************************************************************
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*
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* Dispatch MBOX and MAIL requests
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*/
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void dispatch_mbox( XEvent *report )
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{
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XpPdmServiceRec *rec;
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if (report->type == SelectionRequest) {
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/*
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* Locate or create a client record for this request.
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*/
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rec = find_rec( report->xselectionrequest.requestor );
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mbox_initialize( report, rec );
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mbox_build( rec );
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mbox_reply( rec );
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}
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else /* if (report->type == ClientMessage) */ {
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/*
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* Locate (do not create) a client record for this request.
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*/
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rec = find_rec_by_mbox_win( report->xclient.window );
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mbox_receive( rec, report );
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}
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return;
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}
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/******************************************************************************
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*
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* Dispatch TARGETS requests
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*/
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void dispatch_targets( XEvent *report )
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{
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Atom *target_list;
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int target_count;
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XEvent reply;
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Status status;
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target_count = 4;
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target_list = (Atom *) Xmalloc( sizeof(Atom) * target_count );
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target_list[0] = g.pdm_targets;
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target_list[1] = g.pdm_start;
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target_list[2] = g.pdm_timestamp;
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target_list[3] = g.pdm_mbox;
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/* target_list[4] = g.pdm_multiple; */
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XChangeProperty( report->xselectionrequest.display,
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report->xselectionrequest.requestor,
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report->xselectionrequest.property,
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XA_ATOM,
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32,
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PropModeReplace,
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(unsigned char *) target_list,
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target_count );
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reply.xselection.type = SelectionNotify;
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reply.xselection.requestor = report->xselectionrequest.requestor;
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reply.xselection.selection = report->xselectionrequest.selection;
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reply.xselection.target = report->xselectionrequest.target;
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reply.xselection.property = report->xselectionrequest.property;
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reply.xselection.time = report->xselectionrequest.time;
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status = XSendEvent( report->xselectionrequest.display,
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report->xselectionrequest.requestor,
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True, 0, &reply );
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}
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/******************************************************************************
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*
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* Dispatch MULTIPLE requests
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*/
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void dispatch_multiple( XEvent *report )
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{
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}
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/******************************************************************************
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*
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* Dispatch TIMESTAMP requests
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*/
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void dispatch_timestamp( XEvent *report )
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{
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XEvent reply;
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Status status;
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XChangeProperty( report->xselectionrequest.display,
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report->xselectionrequest.requestor,
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report->xselectionrequest.property,
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XA_INTEGER,
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32,
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PropModeReplace,
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(unsigned char *) &g.time,
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1 );
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reply.xselection.type = SelectionNotify;
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reply.xselection.requestor = report->xselectionrequest.requestor;
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reply.xselection.selection = report->xselectionrequest.selection;
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reply.xselection.target = report->xselectionrequest.target;
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reply.xselection.property = report->xselectionrequest.property;
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reply.xselection.time = report->xselectionrequest.time;
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status = XSendEvent( report->xselectionrequest.display,
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report->xselectionrequest.requestor,
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True, 0, &reply );
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}
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/******************************************************************************
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*
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* Dispatch unsupported selection requests
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*/
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void dispatch_not_supported( XEvent *report )
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{
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XEvent reply;
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Status status;
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reply.xselection.type = SelectionNotify;
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reply.xselection.requestor = report->xselectionrequest.requestor;
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reply.xselection.selection = report->xselectionrequest.selection;
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reply.xselection.target = report->xselectionrequest.target;
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reply.xselection.property = None;
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reply.xselection.time = report->xselectionrequest.time;
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status = XSendEvent( report->xselectionrequest.display,
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report->xselectionrequest.requestor,
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True, 0, &reply );
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}
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