wcsmbs/mbrlen.c

   1 /* Copyright (C) 1996 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 Library General Public License as
   7 published by the Free Software Foundation; either version 2 of the
   8 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 Library General Public License for more details.
  14
  15 You should have received a copy of the GNU Library General Public
  16 License along with the GNU C Library; see the file COPYING.LIB.  If
  17 not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18 Boston, MA 02111-1307, USA.  */
  19
  20 #include <wchar.h>
  21
  22
  23 /* The mbrlen function has an internal shift state which gets used if
  24    the PS parameter is NULL.  */
  25 static mbstate_t internal;
  26
  27
  28 size_t
  29 mbrlen (s, n, ps)
  30      const char *s;
  31      size_t n;
  32      mbstate_t *ps;
  33 {
  34   return mbrtowc (NULL, s, n, ps ?: &internal);
  35 }