28 lines
1.3 KiB
C
28 lines
1.3 KiB
C
/* Long integers, for GNU tar.
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Copyright 1999, 2007 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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/* Handle large integers for calculating big tape lengths and the
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like. In practice, double precision does for now. On the vast
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majority of machines, it counts up to 2**52 bytes without any loss
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of information, and counts up to 2**62 bytes if data are always
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blocked in 1 kB boundaries. We'll need arbitrary precision
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arithmetic anyway once we get into the 2**64 range, so there's no
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point doing anything fancy before then. */
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#define TARLONG_FORMAT "%.0f"
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typedef double tarlong;
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