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41 lines
972 B
C
41 lines
972 B
C
/*
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* Copyright (C) 2009-2012 the libgit2 contributors
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*
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* This file is part of libgit2, distributed under the GNU GPL v2 with
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* a Linking Exception. For full terms see the included COPYING file.
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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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