include/iconv.h

   1 /*      $FreeBSD$       */
   2 /*      $NetBSD: iconv.h,v 1.6 2005/02/03 04:39:32 perry Exp $  */
   3
   4 /*-
   5  * Copyright (c) 2003 Citrus Project,
   6  * Copyright (c) 2009, 2010 Gabor Kovesdan <gabor@FreeBSD.org>
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  *
  30  */
  31
  32 #ifndef _ICONV_H_
  33 #define _ICONV_H_
  34
  35 #include <sys/cdefs.h>
  36 #include <sys/types.h>
  37
  38 #include <wchar.h>
  39
  40 #include <sys/cdefs.h>
  41 #include <sys/types.h>
  42
  43 #include <_libiconv_compat.h>
  44 #ifdef __LIBICONV_COMPAT
  45 #define libiconv_open           iconv_open
  46 #define libiconv_close          iconv_close
  47 #define libiconv                iconv
  48 #define libiconv_t              iconv_t
  49 #endif
  50 #ifdef __cplusplus
  51 typedef bool    __iconv_bool;
  52 #elif __STDC_VERSION__ >= 199901L
  53 typedef _Bool   __iconv_bool;
  54 #else
  55 typedef int     __iconv_bool;
  56 #endif
  57
  58 struct __tag_iconv_t;
  59 typedef struct __tag_iconv_t    *iconv_t;
  60
  61 __BEGIN_DECLS
  62 iconv_t iconv_open(const char *, const char *);
  63 size_t  iconv(iconv_t, const char ** __restrict,
  64               size_t * __restrict, char ** __restrict,
  65               size_t * __restrict);
  66 int     iconv_close(iconv_t);
  67 /*
  68  * non-portable interfaces for iconv
  69  */
  70 int     __iconv_get_list(char ***, size_t *, __iconv_bool);
  71 void    __iconv_free_list(char **, size_t);
  72 size_t  __iconv(iconv_t, const char **, size_t *, char **,
  73                      size_t *, __uint32_t, size_t *);
  74 #define __ICONV_F_HIDE_INVALID  0x0001
  75
  76 /*
  77  * GNU interfaces for iconv
  78  */
  79 #ifdef __LIBICONV_COMPAT
  80 #define libiconv_open_into              iconv_open_into
  81 #define libiconvctl                     iconvctl
  82 #define libiconvlist                    iconvlist
  83 #define libiconv_set_relocation_prefix  iconv_set_relocation_prefix
  84 #endif
  85
  86 /* We have iconvctl() */
  87 #define _ICONV_VERSION  0x0108
  88 extern int _iconv_version;
  89
  90 #ifdef __LIBICONV_COMPAT
  91 #define _libiconv_version               _iconv_version
  92 #define _LIBICONV_VERSION               _ICONV_VERSION
  93 #endif
  94
  95 typedef struct {
  96         void    *spaceholder[64];
  97 } iconv_allocation_t;
  98
  99 int      iconv_open_into(const char *, const char *, iconv_allocation_t *);
 100 void     iconv_set_relocation_prefix(const char *orig_prefix,
 101              const char *curr_prefix);
 102
 103 /*
 104  * iconvctl() request macros
 105  */
 106 #define ICONV_TRIVIALP          0
 107 #define ICONV_GET_TRANSLITERATE 1
 108 #define ICONV_SET_TRANSLITERATE 2
 109 #define ICONV_GET_DISCARD_ILSEQ 3
 110 #define ICONV_SET_DISCARD_ILSEQ 4
 111 #define ICONV_SET_HOOKS         5
 112 #define ICONV_SET_FALLBACKS     6
 113
 114 typedef void (*iconv_unicode_char_hook) (unsigned int mbr, void *data);
 115 typedef void (*iconv_wide_char_hook) (wchar_t wc, void *data);
 116
 117 struct iconv_hooks {
 118         iconv_unicode_char_hook          uc_hook;
 119         iconv_wide_char_hook             wc_hook;
 120         void                            *data;
 121 };
 122
 123 /*
 124  * Fallbacks aren't supported but type definitions are provided for
 125  * source compatibility.
 126  */
 127 typedef void (*iconv_unicode_mb_to_uc_fallback) (const char*,
 128                 size_t, void (*write_replacement) (const unsigned int *,
 129                 size_t, void*), void*, void*);
 130 typedef void (*iconv_unicode_uc_to_mb_fallback) (unsigned int,
 131                 void (*write_replacement) (const char *, size_t, void*),
 132                 void*, void*);
 133 typedef void (*iconv_wchar_mb_to_wc_fallback) (const char*, size_t,
 134                 void (*write_replacement) (const wchar_t *, size_t, void*),
 135                 void*, void*);
 136 typedef void (*iconv_wchar_wc_to_mb_fallback) (wchar_t,
 137                 void (*write_replacement) (const char *, size_t, void*),
 138                 void*, void*);
 139
 140 struct iconv_fallbacks {
 141         iconv_unicode_mb_to_uc_fallback  mb_to_uc_fallback;
 142         iconv_unicode_uc_to_mb_fallback  uc_to_mb_fallback;
 143         iconv_wchar_mb_to_wc_fallback    mb_to_wc_fallback;
 144         iconv_wchar_wc_to_mb_fallback    wc_to_mb_fallback;
 145         void                            *data;
 146 };
 147
 148
 149 void             iconvlist(int (*do_one) (unsigned int, const char * const *,
 150                     void *), void *);
 151 const char      *iconv_canonicalize(const char *);
 152 int              iconvctl(iconv_t, int, void *);
 153 __END_DECLS
 154
 155 #endif /* !_ICONV_H_ */