newlib/libc/include/sys/iconvnls.h

   1 /*
   2  * Copyright (c) 2003-2004, Artem B. Bityuckiy.
   3  * Rights transferred to Franklin Electronic Publishers.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 /*
  28  * Funtions, macros, etc implimented in iconv library but used by other
  29  * NLS-related subsystems too.
  30  */
  31 #ifndef __SYS_ICONVNLS_H__
  32 #define __SYS_ICONVNLS_H__
  33
  34 #include <_ansi.h>
  35 #include <reent.h>
  36 #include <wchar.h>
  37 #include <iconv.h>
  38
  39 /* Iconv data path environment variable name */
  40 #define NLS_ENVVAR_NAME  "NLSPATH"
  41 /* Default NLSPATH value */
  42 #define ICONV_DEFAULT_NLSPATH "/usr/locale"
  43 /* Direction markers */
  44 #define ICONV_NLS_FROM 0
  45 #define ICONV_NLS_TO   1
  46
  47 void
  48 _iconv_nls_get_state (iconv_t cd, mbstate_t *ps, int direction);
  49
  50 int
  51 _iconv_nls_set_state (iconv_t cd, mbstate_t *ps, int direction);
  52
  53 int
  54 _iconv_nls_is_stateful (iconv_t cd, int direction);
  55
  56 int
  57 _iconv_nls_get_mb_cur_max (iconv_t cd, int direction);
  58
  59 size_t
  60 _iconv_nls_conv (struct _reent *rptr, iconv_t cd,
  61                         const char **inbuf, size_t *inbytesleft,
  62                         char **outbuf, size_t *outbytesleft);
  63
  64 const char *
  65 _iconv_nls_construct_filename (struct _reent *rptr, const char *file,
  66                                       const char *dir, const char *ext);
  67
  68
  69 int
  70 _iconv_nls_open (struct _reent *rptr, const char *encoding,
  71                         iconv_t *towc, iconv_t *fromwc, int flag);
  72
  73 char *
  74 _iconv_resolve_encoding_name (struct _reent *rptr, const char *ca);
  75
  76 #endif /* __SYS_ICONVNLS_H__ */
  77