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glibc  2.9
mbrlen.c
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00001 /* Copyright (C) 1996, 1997, 1998, 2002 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <wchar.h>
00021 
00022 /* The mbrlen function has an internal shift state which gets used if
00023    the PS parameter is NULL.  */
00024 static mbstate_t internal;
00025 
00026 
00027 size_t
00028 __mbrlen (s, n, ps)
00029      const char *s;
00030      size_t n;
00031      mbstate_t *ps;
00032 {
00033   return __mbrtowc (NULL, s, n, ps ?: &internal);
00034 }
00035 libc_hidden_def (__mbrlen)
00036 weak_alias (__mbrlen, mbrlen)