Subversion Repositories openrisc_2011-10-31

#ifndef CYGONCE_LIBC_I18N_INTERNAL_H

#define CYGONCE_LIBC_I18N_INTERNAL_H

/*===========================================================================

//

//      internal.h

//

//      Internal header file to support the i18n locale functions.

//

//===========================================================================

//####ECOSGPLCOPYRIGHTBEGIN####

// -------------------------------------------

// This file is part of eCos, the Embedded Configurable Operating System.

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.

//

// eCos is free software; you can redistribute it and/or modify it under

// the terms of the GNU General Public License as published by the Free

// Software Foundation; either version 2 or (at your option) any later version.

//

// eCos 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 General Public License

// for more details.

//

// You should have received a copy of the GNU General Public License along

// with eCos; if not, write to the Free Software Foundation, Inc.,

// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

//

// As a special exception, if other files instantiate templates or use macros

// or inline functions from this file, or you compile this file and link it

// with other works to produce a work based on this file, this file does not

// by itself cause the resulting work to be covered by the GNU General Public

// License. However the source code for this file must still be made available

// in accordance with section (3) of the GNU General Public License.

//

// This exception does not invalidate any other reasons why a work based on

// this file might be covered by the GNU General Public License.

//

// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

// at http://sources.redhat.com/ecos/ecos-license/

// -------------------------------------------

//####ECOSGPLCOPYRIGHTEND####

//===========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    jjohnstn

// Contributors:

// Date:         2000-11-16

// Purpose:

// Description:

// Usage:        This file is used internally by i18n functions.

//

//####DESCRIPTIONEND####

//

//=========================================================================*/

/* escape character used for JIS encoding */

#define ESC_CHAR 0x1b

/* PROTOTYPES */

typedef int (*mbtowc_fn_type)(wchar_t *pwc, const char *s, size_t n, int *state);

typedef int (*wctomb_fn_type)(char *s, wchar_t wchar, int *state );

extern int __mbtowc_jp ( wchar_t *__pwc, const char *__s, size_t __n, int *__state );

extern int __mbtowc_c  ( wchar_t *__pwc, const char *__s, size_t __n, int *__state );

extern int __wctomb_jp ( char *__s, wchar_t __wchar, int *__state );

/* MACROS used to support SHIFT_JIS, EUC-JP, and JIS multibyte encodings */

#define _issjis1(c)    (((c) >= 0x81 && (c) <= 0x9f) || ((c) >= 0xe0 && (c) <= 0xef))

#define _issjis2(c)    (((c) >= 0x40 && (c) <= 0x7e) || ((c) >= 0x80 && (c) <= 0xfc))

#define _iseucjp(c)    ((c) >= 0xa1 && (c) <= 0xfe)

#define _isjis(c)      ((c) >= 0x21 && (c) <= 0x7e)

// TYPE DEFINITIONS

// define a type to encapsulate the locale. In time this will get much

// richer and complete

typedef struct {

  const char *name;

  struct lconv numdata;

  int mb_cur_max;

  /* if next two fields are NULL, it implies the default "C" single-byte handling. */

  mbtowc_fn_type mbtowc_fn;

  wctomb_fn_type wctomb_fn;

} Cyg_libc_locale_t;

// ctype locale pointer shared between setlocale and mb routines

extern const Cyg_libc_locale_t *__current_ctype_locale;

#endif /* CYGONCE_LIBC_I18N_INTERNAL_H */