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57 lines
2.3 KiB
57 lines
2.3 KiB
/* 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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#ifndef DD__UTILITY_INCLUDED
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#define DD__UTILITY_INCLUDED
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#include "sql/dd/string_type.h" // dd::String_type
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struct CHARSET_INFO;
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namespace dd {
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///////////////////////////////////////////////////////////////////////////
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/**
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Normalize (or transform) the multibyte character set string.
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The normalized string contains the weight of the each character of the source
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string. The normalized strings are suitable for the comparisons (strings
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yields the correct collation order).
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@param cs Character set.
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@param src Source string.
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@param[out] normalized_str_buf Buffer to store the normalized string.
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@param normalized_str_buf_length Size of the normalized_str_buf.
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@returns length of the normalized string. 0 is returned if buffer length is
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insufficient to store the normalized string.
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*/
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size_t normalize_string(const CHARSET_INFO *cs, const String_type &src,
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char *normalized_str_buf,
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size_t normalized_str_buf_length);
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///////////////////////////////////////////////////////////////////////////
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} // namespace dd
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#endif
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