wcsmbs/mbrlen.c

   1 /* Copyright (C) 1996, 1997, 1998, 2002 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
   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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <wchar.h>
  21
  22 /* The mbrlen function has an internal shift state which gets used if
  23    the PS parameter is NULL.  */
  24 static mbstate_t internal;
  25
  26
  27 size_t
  28 __mbrlen (s, n, ps)
  29      const char *s;
  30      size_t n;
  31      mbstate_t *ps;
  32 {
  33   return __mbrtowc (NULL, s, n, ps ?: &internal);
  34 }
  35 libc_hidden_def (__mbrlen)
  36 weak_alias (__mbrlen, mbrlen)