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63 lines
2.2 KiB
63 lines
2.2 KiB
/*
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Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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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, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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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, version 2.0, 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
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef PLUGIN_KEYRING_CONVERTER_H_
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#define PLUGIN_KEYRING_CONVERTER_H_
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#include <stddef.h>
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#include <string>
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namespace keyring {
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/**
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utilities for conversion of keyring file format between machine architectures
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*/
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class Converter {
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public:
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enum class Arch {
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UNKNOWN, //<! unable to determine
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LE_32, //<! little endian, 32 bit
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LE_64, //<! little endian, 64 bit
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BE_32, //<! big endian, 32 bit
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BE_64 //<! big endian, 64 bit
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};
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static Arch get_native_arch();
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static size_t get_width(Arch arch);
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static size_t native_value(const char *length);
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static size_t convert(char const *src, char *dst, Arch src_t, Arch dst_t);
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static bool convert_data(char const *data, size_t data_size, Arch src,
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Arch dst, std::string &out);
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private:
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enum class Endian { UNKNOWN, LITTLE, BIG };
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static Endian get_endian(Arch arch);
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static Arch detect_native_arch();
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const static Arch native_arch; //!< used for storing native architecture
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};
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} /* namespace keyring */
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#endif /* PLUGIN_KEYRING_CONVERTER_H_ */
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