|  | /* Copyright (C) 1996-2016 Free Software Foundation, Inc. | 
|  | This file is part of the GNU C Library. | 
|  | Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu> | 
|  |  | 
|  | The GNU C Library is free software; you can redistribute it and/or | 
|  | modify it under the terms of the GNU Lesser General Public | 
|  | License as published by the Free Software Foundation; either | 
|  | version 2.1 of the License, or (at your option) any later version. | 
|  |  | 
|  | The GNU C Library is distributed in the hope that it will be useful, | 
|  | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
|  | Lesser General Public License for more details. | 
|  |  | 
|  | You should have received a copy of the GNU Lesser General Public | 
|  | License along with the GNU C Library; if not, see | 
|  | <http://www.gnu.org/licenses/>.  */ | 
|  |  | 
|  | #include <wchar.h> | 
|  |  | 
|  | /* The mbrlen function has an internal shift state which gets used if | 
|  | the PS parameter is NULL.  */ | 
|  | static mbstate_t internal; | 
|  |  | 
|  |  | 
|  | size_t | 
|  | __mbrlen (const char *s, size_t n, mbstate_t *ps) | 
|  | { | 
|  | return __mbrtowc (NULL, s, n, ps ?: &internal); | 
|  | } | 
|  | libc_hidden_def (__mbrlen) | 
|  | weak_alias (__mbrlen, mbrlen) |