/* Lowercase mapping for UTF-16 strings (locale dependent).
   Copyright (C) 2009-2022 Free Software Foundation, Inc.
   Written by Bruno Haible <bruno@clisp.org>, 2009.

   This file is free software.
   It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+".
   You can redistribute it and/or modify it under either
     - the terms of the GNU Lesser General Public License as published
       by the Free Software Foundation, either version 3, or (at your
       option) any later version, or
     - the terms of the GNU General Public License as published by the
       Free Software Foundation; either version 2, or (at your option)
       any later version, or
     - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".

   This file is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License and the GNU General Public License
   for more details.

   You should have received a copy of the GNU Lesser General Public
   License and of the GNU General Public License along with this
   program.  If not, see <https://www.gnu.org/licenses/>.  */

#include <config.h>

/* Specification.  */
#include "unicase.h"

#include <stddef.h>

#include "unicase/unicasemap.h"
#include "unicase/special-casing.h"

uint16_t *
u16_tolower (const uint16_t *s, size_t n, const char *iso639_language,
             uninorm_t nf,
             uint16_t *resultbuf, size_t *lengthp)
{
  return u16_casemap (s, n,
                      unicase_empty_prefix_context, unicase_empty_suffix_context,
                      iso639_language,
                      uc_tolower, offsetof (struct special_casing_rule, lower[0]),
                      nf,
                      resultbuf, lengthp);
}
