lib/libc/citrus/citrus_iconv_local.h

   1 /*      $NetBSD: citrus_iconv_local.h,v 1.2 2003/07/01 09:42:16 tshiozak Exp $  */
   2
   3 /*-
   4  * Copyright (c)2003 Citrus Project,
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #ifndef _CITRUS_ICONV_LOCAL_H_
  30 #define _CITRUS_ICONV_LOCAL_H_
  31
  32 #define _CITRUS_ICONV_GETOPS_FUNC_BASE(_n_)                             \
  33 int _n_(struct _citrus_iconv_ops *, size_t, uint32_t)
  34 #define _CITRUS_ICONV_GETOPS_FUNC(_n_)                                  \
  35 _CITRUS_ICONV_GETOPS_FUNC_BASE(_citrus_##_n_##_iconv_getops)
  36
  37 #define _CITRUS_ICONV_DECLS(_m_)                                        \
  38 static int      _citrus_##_m_##_iconv_init_shared                       \
  39         (struct _citrus_iconv_shared * __restrict,                      \
  40          const char * __restrict,                                       \
  41          const char * __restrict, const char * __restrict,              \
  42          const void * __restrict, size_t);                              \
  43 static void     _citrus_##_m_##_iconv_uninit_shared                     \
  44         (struct _citrus_iconv_shared *);                                \
  45 static int      _citrus_##_m_##_iconv_convert                           \
  46         (struct _citrus_iconv * __restrict,                             \
  47          const char * __restrict * __restrict, size_t * __restrict,     \
  48          char * __restrict * __restrict, size_t * __restrict outbytes,  \
  49          uint32_t, size_t * __restrict);                                \
  50 static int      _citrus_##_m_##_iconv_init_context                      \
  51         (struct _citrus_iconv *);                                       \
  52 static void     _citrus_##_m_##_iconv_uninit_context                    \
  53         (struct _citrus_iconv *)
  54
  55
  56 #define _CITRUS_ICONV_DEF_OPS(_m_)                                      \
  57 struct _citrus_iconv_ops _citrus_##_m_##_iconv_ops = {                  \
  58         /* io_abi_version */    _CITRUS_ICONV_ABI_VERSION,              \
  59         /* io_init_shared */    &_citrus_##_m_##_iconv_init_shared,     \
  60         /* io_uninit_shared */  &_citrus_##_m_##_iconv_uninit_shared,   \
  61         /* io_init_context */   &_citrus_##_m_##_iconv_init_context,    \
  62         /* io_uninit_context */ &_citrus_##_m_##_iconv_uninit_context,  \
  63         /* io_convert */        &_citrus_##_m_##_iconv_convert          \
  64 }
  65
  66 typedef _CITRUS_ICONV_GETOPS_FUNC_BASE((*_citrus_iconv_getops_t));
  67 typedef int     (*_citrus_iconv_init_shared_t)
  68         (struct _citrus_iconv_shared * __restrict,
  69          const char * __restrict, const char * __restrict,
  70          const char * __restrict, const void * __restrict, size_t);
  71 typedef void    (*_citrus_iconv_uninit_shared_t)
  72         (struct _citrus_iconv_shared *);
  73 typedef int     (*_citrus_iconv_convert_t)
  74         (struct _citrus_iconv * __restrict,
  75          const char *__restrict* __restrict, size_t * __restrict,
  76          char * __restrict * __restrict, size_t * __restrict, uint32_t,
  77          size_t * __restrict);
  78 typedef int     (*_citrus_iconv_init_context_t)(struct _citrus_iconv *);
  79 typedef void    (*_citrus_iconv_uninit_context_t)(struct _citrus_iconv *);
  80
  81 struct _citrus_iconv_ops {
  82         uint32_t                        io_abi_version;
  83         _citrus_iconv_init_shared_t     io_init_shared;
  84         _citrus_iconv_uninit_shared_t   io_uninit_shared;
  85         _citrus_iconv_init_context_t    io_init_context;
  86         _citrus_iconv_uninit_context_t  io_uninit_context;
  87         _citrus_iconv_convert_t         io_convert;
  88 };
  89 #define _CITRUS_ICONV_ABI_VERSION       2
  90
  91 struct _citrus_iconv_shared {
  92         struct _citrus_iconv_ops                        *ci_ops;
  93         void                                            *ci_closure;
  94         /* private */
  95         _CITRUS_HASH_ENTRY(_citrus_iconv_shared)        ci_hash_entry;
  96         TAILQ_ENTRY(_citrus_iconv_shared)               ci_tailq_entry;
  97         _citrus_module_t                                ci_module;
  98         unsigned int                                    ci_used_count;
  99         char                                            *ci_convname;
 100 };
 101
 102 struct _citrus_iconv {
 103         struct _citrus_iconv_shared     *cv_shared;
 104         void                            *cv_closure;
 105 };
 106
 107 #endif