wcsmbs/mbrtoc32.c

   1 /* Convert multibyte to char32_t.
   2    Copyright (C) 2018-2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <uchar.h>
  20 #include <wchar.h>
  21
  22
  23 /* This is the private state used if PS is NULL.  */
  24 static mbstate_t state;
  25
  26 size_t
  27 mbrtoc32 (char32_t *pc32, const char *s, size_t n, mbstate_t *ps)
  28 {
  29   if (ps == NULL)
  30     ps = &state;
  31   return mbrtowc ((wchar_t *) pc32, s, n, ps);
  32 }