Coverage Report

Created: 2025-03-06 06:58

/src/libunistring/lib/unicase/simple-mapping.h
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/* Simple case mapping for Unicode characters.
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   Copyright (C) 2002, 2006, 2009-2024 Free Software Foundation, Inc.
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   Written by Bruno Haible <bruno@clisp.org>, 2009.
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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 Lesser General Public License as
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   published by the Free Software Foundation; either version 2.1 of the
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   License, or (at your option) any later version.
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   This file 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 Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public License
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   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
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ucs4_t
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FUNC (ucs4_t uc)
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{
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  unsigned int index1 = uc >> mapping_header_0;
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  if (index1 < mapping_header_1)
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    {
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      int lookup1 = u_mapping.level1[index1];
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      if (lookup1 >= 0)
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        {
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          unsigned int index2 = (uc >> mapping_header_2) & mapping_header_3;
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          int lookup2 = u_mapping.level2[lookup1 + index2];
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          if (lookup2 >= 0)
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            {
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              unsigned int index3 = (uc & mapping_header_4);
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              int lookup3 = u_mapping.level3[lookup2 + index3];
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              return uc + lookup3;
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            }
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        }
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    }
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  return uc;
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0
}