add boost on mac

macx64/include/boost/beast/zlib/error.hpp

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+//
+// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// Official repository: https://github.com/boostorg/beast
+//
+// This is a derivative work based on Zlib, copyright below:
+/*
+    Copyright (C) 1995-2013 Jean-loup Gailly and Mark Adler
+
+    This software is provided 'as-is', without any express or implied
+    warranty.  In no event will the authors be held liable for any damages
+    arising from the use of this software.
+
+    Permission is granted to anyone to use this software for any purpose,
+    including commercial applications, and to alter it and redistribute it
+    freely, subject to the following restrictions:
+
+    1. The origin of this software must not be misrepresented; you must not
+       claim that you wrote the original software. If you use this software
+       in a product, an acknowledgment in the product documentation would be
+       appreciated but is not required.
+    2. Altered source versions must be plainly marked as such, and must not be
+       misrepresented as being the original software.
+    3. This notice may not be removed or altered from any source distribution.
+
+    Jean-loup Gailly        Mark Adler
+    jloup@gzip.org          madler@alumni.caltech.edu
+
+    The data format used by the zlib library is described by RFCs (Request for
+    Comments) 1950 to 1952 in the files http://tools.ietf.org/html/rfc1950
+    (zlib format), rfc1951 (deflate format) and rfc1952 (gzip format).
+*/
+
+#ifndef BOOST_BEAST_ZLIB_ERROR_HPP
+#define BOOST_BEAST_ZLIB_ERROR_HPP
+
+#include <boost/beast/core/detail/config.hpp>
+#include <boost/beast/core/error.hpp>
+
+namespace boost {
+namespace beast {
+namespace zlib {
+
+/** Error codes returned by the deflate codecs.
+*/
+enum class error
+{
+    /** Additional buffers are required.
+
+        This error indicates that one or both of the buffers
+        provided buffers do not have sufficient available bytes
+        to make forward progress.
+
+        This does not always indicate a failure condition.
+
+        @note This is the same as `Z_BUF_ERROR` returned by ZLib.
+    */
+    need_buffers = 1,
+
+    /** End of stream reached.
+
+        @note This is the same as `Z_STREAM_END` returned by ZLib.
+    */
+    end_of_stream,
+
+    /** Invalid stream or parameters.
+
+        This error is returned when invalid parameters are passed,
+        or the operation being performed is not consistent with the
+        state of the stream. For example, attempting to write data
+        when the end of stream is already reached.
+
+        @note This is the same as `Z_STREAM_ERROR` returned by ZLib.
+    */
+    stream_error,
+
+    //
+    // Errors generated by basic_deflate_stream
+    //
+
+    //
+    // Errors generated by basic_inflate_stream
+    //
+
+    /// Invalid block type
+    invalid_block_type,
+
+    /// Invalid stored block length
+    invalid_stored_length,
+
+    /// Too many length or distance symbols
+    too_many_symbols,
+
+    /// Invalid code lengths
+    invalid_code_lenths,
+
+    /// Invalid bit length repeat
+    invalid_bit_length_repeat,
+
+    /// Missing end of block code
+    missing_eob,
+
+    /// Invalid literal/length code
+    invalid_literal_length,
+
+    /// Invalid distance code
+    invalid_distance_code,
+
+    /// Invalid distance too far back
+    invalid_distance,
+
+    //
+    // Errors generated by inflate_table
+    //
+
+    /// Over-subscribed length code
+    over_subscribed_length,
+
+    /// Incomplete length set
+    incomplete_length_set,
+
+
+
+    /// general error
+    general
+};
+
+} // zlib
+} // beast
+} // boost
+
+#include <boost/beast/zlib/impl/error.hpp>
+#ifdef BOOST_BEAST_HEADER_ONLY
+#include <boost/beast/zlib/impl/error.ipp>
+#endif
+
+#endif
+