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