1  /* Copyright (C) 1996-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <wchar.h>
      19  
      20  /* The mbrlen function has an internal shift state which gets used if
      21     the PS parameter is NULL.  */
      22  static mbstate_t internal;
      23  
      24  
      25  size_t
      26  __mbrlen (const char *s, size_t n, mbstate_t *ps)
      27  {
      28    return __mbrtowc (NULL, s, n, ps ?: &internal);
      29  }
      30  libc_hidden_def (__mbrlen)
      31  weak_alias (__mbrlen, mbrlen)