lib/mbrlen.c

   1 /* Recognize multibyte character.
   2    Copyright (C) 1999-2000, 2008-2018 Free Software Foundation, Inc.
   3    Written by Bruno Haible <bruno@clisp.org>, 2008.
   4
   5    This program is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program 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
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17
  18 #include <config.h>
  19
  20 /* Specification.  */
  21 #include <wchar.h>
  22
  23
  24 static mbstate_t internal_state;
  25
  26 size_t
  27 mbrlen (const char *s, size_t n, mbstate_t *ps)
  28 {
  29   if (ps == NULL)
  30     ps = &internal_state;
  31   return mbrtowc (NULL, s, n, ps);
  32 }