1 /*
   2  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
   3  * Copyright (c) 2004 Tim J. Robbins.
   4  * All rights reserved.
   5  *
   6  * Copyright (c) 2011 The FreeBSD Foundation
   7  * All rights reserved.
   8  * Portions of this software were developed by David Chisnall
   9  * under sponsorship from the FreeBSD Foundation.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32 
  33 #ifndef _MBLOCAL_H_
  34 #define _MBLOCAL_H_
  35 
  36 #include "runetype.h"
  37 #include "xlocale_private.h"
  38 
  39 /*
  40  * Conversion function pointers for current encoding.
  41  */
  42 struct xlocale_ctype {
  43         struct xlocale_component header;
  44         _RuneLocale *runes;
  45         size_t (*__mbrtowc)(wchar_t *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
  46             size_t, mbstate_t *_RESTRICT_KYWD);
  47         int (*__mbsinit)(const mbstate_t *);
  48         size_t (*__mbsnrtowcs)(wchar_t *_RESTRICT_KYWD, const char **_RESTRICT_KYWD,
  49             size_t, size_t, mbstate_t *_RESTRICT_KYWD);
  50         size_t (*__wcrtomb)(char *_RESTRICT_KYWD, wchar_t, mbstate_t *_RESTRICT_KYWD);
  51         size_t (*__wcsnrtombs)(char *_RESTRICT_KYWD, const wchar_t **_RESTRICT_KYWD,
  52             size_t, size_t, mbstate_t *_RESTRICT_KYWD);
  53         int __mb_cur_max;
  54         int __mb_sb_limit;
  55 };
  56 #define XLOCALE_CTYPE(x)        ((struct xlocale_ctype*)(x)->components[XLC_CTYPE])
  57 extern struct xlocale_ctype __xlocale_global_ctype;
  58 
  59 /*
  60  * Rune initialization function prototypes.
  61  */
  62 int     _none_init(struct xlocale_ctype *, _RuneLocale *);
  63 int     _UTF8_init(_RuneLocale *);
  64 int     _EUC_CN_init(_RuneLocale *);
  65 int     _EUC_JP_init(_RuneLocale *);
  66 int     _EUC_KR_init(_RuneLocale *);
  67 int     _EUC_TW_init(_RuneLocale *);
  68 int     _GB18030_init(_RuneLocale *);
  69 int     _GB2312_init(_RuneLocale *);
  70 int     _GBK_init(_RuneLocale *);
  71 int     _BIG5_init(_RuneLocale *);
  72 int     _MSKanji_init(_RuneLocale *);
  73 
  74 /*
  75  * Conversion function pointers for current encoding.
  76  */
  77 extern size_t (*__mbrtowc)(wchar_t *_RESTRICT_KYWD,
  78     const char *_RESTRICT_KYWD, size_t, mbstate_t *_RESTRICT_KYWD);
  79 extern int (*__mbsinit)(const mbstate_t *);
  80 extern size_t (*__mbsnrtowcs)(wchar_t *_RESTRICT_KYWD,
  81     const char **_RESTRICT_KYWD, size_t, size_t, mbstate_t *_RESTRICT_KYWD);
  82 
  83 extern size_t (*__wcrtomb)(char *_RESTRICT_KYWD, wchar_t,
  84     mbstate_t *_RESTRICT_KYWD);
  85 
  86 extern size_t (*__wcsnrtombs)(char *_RESTRICT_KYWD,
  87     const wchar_t **_RESTRICT_KYWD, size_t, size_t, mbstate_t *_RESTRICT_KYWD);
  88 
  89 extern int charset_is_ascii;
  90 
  91 size_t __mbsnrtowcs_std(wchar_t *_RESTRICT_KYWD, const char **_RESTRICT_KYWD,
  92     size_t, size_t, mbstate_t *_RESTRICT_KYWD);
  93 size_t __wcsnrtombs_std(char *_RESTRICT_KYWD, const wchar_t **_RESTRICT_KYWD,
  94     size_t, size_t, mbstate_t *_RESTRICT_KYWD);
  95 
  96 #define MIN(a, b)       ((a) < (b) ? (a) : (b))
  97 
  98 #endif  /* _MBLOCAL_H_ */