114 lines
2.4 KiB
C++
Executable File
114 lines
2.4 KiB
C++
Executable File
//
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// LISTDU.CPP
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//
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// Source file for ArchiveLib 2.0
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//
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// Copyright (c) Greenleaf Software, Inc. 1994-1996
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// All Rights Reserved
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//
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// CONTENTS
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//
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// ALEntryList::DeleteUnmarked()
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// ALEntryListDeleteUnmarked()
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//
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// REVISION HISTORY
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//
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// February 14, 1996 2.0A : New release
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//
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#include "arclib.h"
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#if !defined( AL_IBM )
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#pragma hdrstop
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#endif
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//
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// NAME
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//
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// ALEntryList::DeleteUnmarked()
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//
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// PLATFORMS/ENVIRONMENTS
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//
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// Console Windows PM
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// C++ C VB Delphi
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//
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// SHORT DESCRIPTION
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//
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// Delete all unmarked ALEntry objects from the list.
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//
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// C++ SYNOPSIS
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//
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// #include "arclib.h"
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//
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// int ALEntryList::DeleteUnmarked();
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//
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// C SYNOPSIS
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//
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// #include "arclib.h"
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//
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// int ALEntryListDeleteUnmarked( hALEntryList this_object );
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//
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// VB SYNOPSIS
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//
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// Declare Function ALEntryListDeleteUnmarked Lib "AL20LW"
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// (ByVal this_object&) As Integer
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//
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// DELPHI SYNOPSIS
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//
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// function ALEntryListDeleteUnmarked( this_object : hALEntryList ) : Integer;
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//
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// ARGUMENTS
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//
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// this_object : A reference or pointer to the ALEntryList object that
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// is going to be modified. Note that the C++
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// version of this call doesn't have an explicit argument
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// here, since it has access to 'this' implicitly.
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//
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// DESCRIPTION
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//
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// Sometimes you may have a list with a whole bunch of unmarked entries.
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// Those unmarked entries are just sitting there taking up space, so it
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// would be handy to be able to just delete them. That is what this
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// function does.
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//
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// RETURNS
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//
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// The number of entries that are deleted.
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//
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// EXAMPLE
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//
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// SEE ALSO
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//
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// REVISION HISTORY
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//
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// February 14, 1996 2.0A : New Release
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//
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int AL_PROTO
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ALEntryList::DeleteUnmarked() /* Tag public function */
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{
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ALEntry *job;
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int count = 0;
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job = GetFirstEntry();
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while ( job ) {
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ALEntry *next_job = job->GetNextEntry();
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if ( job->GetMark() == 0 ) {
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count++;
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delete job;
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}
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job = next_job;
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}
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return count;
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}
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#if !defined( AL_NO_C )
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extern "C" AL_LINKAGE int AL_FUNCTION
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ALEntryListDeleteUnmarked( hALEntryList this_object ) /* Tag public function */
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{
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AL_ASSERT_OBJECT( this_object, ALEntryList, "ALEntryListDeleteUnmarked" );
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return ( (ALEntryList *) this_object )->DeleteUnmarked();
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}
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#endif
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