lib/libc/iconv/citrus_iconv_local.h

   1 /* $NetBSD: citrus_iconv_local.h,v 1.3 2008/02/09 14:56:20 junyoung Exp $ */
   2
   3 /*-
   4  * SPDX-License-Identifier: BSD-2-Clause
   5  *
   6  * Copyright (c)2003 Citrus Project,
   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 #ifndef _CITRUS_ICONV_LOCAL_H_
  32 #define _CITRUS_ICONV_LOCAL_H_
  33
  34 #include <iconv.h>
  35 #include <stdbool.h>
  36
  37 #define _CITRUS_ICONV_GETOPS_FUNC_BASE(_n_)                             \
  38     int _n_(struct _citrus_iconv_ops *)
  39 #define _CITRUS_ICONV_GETOPS_FUNC(_n_)                                  \
  40     _CITRUS_ICONV_GETOPS_FUNC_BASE(_citrus_##_n_##_iconv_getops)
  41
  42 #define _CITRUS_ICONV_DECLS(_m_)                                        \
  43 static int       _citrus_##_m_##_iconv_init_shared                      \
  44                     (struct _citrus_iconv_shared * __restrict,          \
  45                     const char * __restrict, const char * __restrict);  \
  46 static void      _citrus_##_m_##_iconv_uninit_shared                    \
  47                     (struct _citrus_iconv_shared *);                    \
  48 static int       _citrus_##_m_##_iconv_convert                          \
  49                     (struct _citrus_iconv * __restrict,                 \
  50                     char * __restrict * __restrict,                     \
  51                     size_t * __restrict,                                \
  52                     char * __restrict * __restrict,                     \
  53                     size_t * __restrict outbytes,                       \
  54                     uint32_t, size_t * __restrict);                     \
  55 static int       _citrus_##_m_##_iconv_init_context                     \
  56                     (struct _citrus_iconv *);                           \
  57 static void      _citrus_##_m_##_iconv_uninit_context                   \
  58                     (struct _citrus_iconv *)
  59
  60
  61 #define _CITRUS_ICONV_DEF_OPS(_m_)                                      \
  62 extern struct _citrus_iconv_ops _citrus_##_m_##_iconv_ops;              \
  63 struct _citrus_iconv_ops _citrus_##_m_##_iconv_ops = {                  \
  64         /* io_init_shared */    &_citrus_##_m_##_iconv_init_shared,     \
  65         /* io_uninit_shared */  &_citrus_##_m_##_iconv_uninit_shared,   \
  66         /* io_init_context */   &_citrus_##_m_##_iconv_init_context,    \
  67         /* io_uninit_context */ &_citrus_##_m_##_iconv_uninit_context,  \
  68         /* io_convert */        &_citrus_##_m_##_iconv_convert          \
  69 }
  70
  71 typedef _CITRUS_ICONV_GETOPS_FUNC_BASE((*_citrus_iconv_getops_t));
  72 typedef int (*_citrus_iconv_init_shared_t)
  73     (struct _citrus_iconv_shared * __restrict,
  74     const char * __restrict, const char * __restrict);
  75 typedef void (*_citrus_iconv_uninit_shared_t)
  76     (struct _citrus_iconv_shared *);
  77 typedef int (*_citrus_iconv_convert_t)
  78     (struct _citrus_iconv * __restrict,
  79     char *__restrict* __restrict, size_t * __restrict,
  80     char * __restrict * __restrict, size_t * __restrict, uint32_t,
  81     size_t * __restrict);
  82 typedef int (*_citrus_iconv_init_context_t)(struct _citrus_iconv *);
  83 typedef void (*_citrus_iconv_uninit_context_t)(struct _citrus_iconv *);
  84
  85 struct _citrus_iconv_ops {
  86         _citrus_iconv_init_shared_t     io_init_shared;
  87         _citrus_iconv_uninit_shared_t   io_uninit_shared;
  88         _citrus_iconv_init_context_t    io_init_context;
  89         _citrus_iconv_uninit_context_t  io_uninit_context;
  90         _citrus_iconv_convert_t         io_convert;
  91 };
  92
  93 struct _citrus_iconv_shared {
  94         struct _citrus_iconv_ops                        *ci_ops;
  95         void                                            *ci_closure;
  96         _CITRUS_HASH_ENTRY(_citrus_iconv_shared)         ci_hash_entry;
  97         TAILQ_ENTRY(_citrus_iconv_shared)                ci_tailq_entry;
  98         _citrus_module_t                                 ci_module;
  99         unsigned int                                     ci_used_count;
 100         char                                            *ci_convname;
 101         bool                                             ci_discard_ilseq;
 102         struct iconv_hooks                              *ci_hooks;
 103         bool                                             ci_ilseq_invalid;
 104 };
 105
 106 struct _citrus_iconv {
 107         struct _citrus_iconv_shared                     *cv_shared;
 108         void                                            *cv_closure;
 109 };
 110
 111 #endif