usr/src/lib/libc/port/locale/mbsrtowcs.c

   1 /*
   2  * Copyright 2013 Garrett D'Amore <garrett@damore.org>
   3  * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
   4  * Copyright (c) 2002-2004 Tim J. Robbins.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #include "lint.h"
  30 #include <locale.h>
  31 #include <limits.h>
  32 #include <stdlib.h>
  33 #include <wchar.h>
  34 #include "mblocal.h"
  35 #include "localeimpl.h"
  36 #include "lctype.h"
  37
  38 size_t
  39 mbsrtowcs_l(wchar_t *_RESTRICT_KYWD dst, const char **_RESTRICT_KYWD src,
  40     size_t len, mbstate_t *_RESTRICT_KYWD ps, locale_t loc)
  41 {
  42         static mbstate_t mbs;
  43
  44         if (ps == NULL)
  45                 ps = &mbs;
  46
  47         return (loc->ctype->lc_mbsnrtowcs(dst, src, ULONG_MAX, len, ps));
  48 }
  49
  50 size_t
  51 mbsrtowcs(wchar_t *_RESTRICT_KYWD dst, const char **_RESTRICT_KYWD src,
  52     size_t len, mbstate_t *_RESTRICT_KYWD ps)
  53 {
  54         return (mbsrtowcs_l(dst, src, len, ps, uselocale(NULL)));
  55 }