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livetrax/libs/pbd/property.cc
Paul Davis cdcc4d3720 new file
git-svn-id: svn://localhost/ardour2/branches/3.0@6686 d708f5d6-7413-0410-9779-e7cbd77b26cf
2010-02-15 16:25:46 +00:00

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1.2 KiB
C++

/*
Copyright (C) 2010 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "pbd/properties.h"
#include "pbd/error.h"
#include "i18n.h"
using namespace PBD;
PropertyChange
new_change ()
{
static uint64_t change_bit = 1;
/* catch out-of-range */
if (!change_bit) {
fatal << _("programming error: ")
<< "change_bit out of range in ARDOUR::new_change()"
<< endmsg;
/*NOTREACHED*/
}
PropertyChange c = PropertyChange (change_bit);
change_bit <<= 1; // if it shifts too far, change_bit == 0
return c;
}