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59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2,
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* as published by the Free Software Foundation.
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*
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* In addition to the permissions in the GNU General Public License,
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* the authors give you unlimited permission to link the compiled
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* version of this file into combinations with other programs,
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* and to distribute those combinations without any restriction
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* coming from the use of this file. (The General Public License
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* restrictions do apply in other respects; for example, they cover
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* modification of the file, and distribution when not linked into
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* a combined executable.)
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*
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* This file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDE_git_zlib_h__
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#define INCLUDE_git_zlib_h__
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#include <zlib.h>
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/**
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* @file git2/zlib.h
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* @brief Git data compression routines
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* @defgroup git_zlib Git data compression routines
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* @ingroup Git
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* @{
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*/
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GIT_BEGIN_DECL
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#if defined(NO_DEFLATE_BOUND) || ZLIB_VERNUM < 0x1200
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/**
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* deflateBound returns an upper bound on the compressed size.
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*
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* This is a stub function used when zlib does not supply the
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* deflateBound() implementation itself.
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*
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* @param stream the stream pointer.
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* @param s total length of the source data (in bytes).
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* @return maximum length of the compressed data.
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*/
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GIT_INLINE(size_t) deflateBound(z_streamp stream, size_t s)
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{
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return (s + ((s + 7) >> 3) + ((s + 63) >> 6) + 11);
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}
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#endif
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/** @} */
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GIT_END_DECL
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#endif
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