lib/libc/iconv/citrus_mapper_local.h

   1 /* $NetBSD: citrus_mapper_local.h,v 1.2 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_MAPPER_LOCAL_H_
  32 #define _CITRUS_MAPPER_LOCAL_H_
  33
  34 #define _CITRUS_MAPPER_GETOPS_FUNC_BASE(_n_)                            \
  35 int _n_(struct _citrus_mapper_ops *)
  36 #define _CITRUS_MAPPER_GETOPS_FUNC(_n_)                                 \
  37 _CITRUS_MAPPER_GETOPS_FUNC_BASE(_citrus_##_n_##_mapper_getops)
  38
  39 #define _CITRUS_MAPPER_DECLS(_m_)                                       \
  40 static int       _citrus_##_m_##_mapper_init                            \
  41                     (struct _citrus_mapper_area *__restrict,            \
  42                     struct _citrus_mapper * __restrict,                 \
  43                     const char * __restrict, const void * __restrict,   \
  44                     size_t, struct _citrus_mapper_traits * __restrict,  \
  45                     size_t);                                            \
  46 static void      _citrus_##_m_##_mapper_uninit(                         \
  47                     struct _citrus_mapper *);                           \
  48 static int       _citrus_##_m_##_mapper_convert                         \
  49                     (struct _citrus_mapper * __restrict,                \
  50                     _citrus_index_t * __restrict, _citrus_index_t,      \
  51                     void * __restrict);                                 \
  52 static void      _citrus_##_m_##_mapper_init_state                      \
  53                     (void);
  54
  55 #define _CITRUS_MAPPER_DEF_OPS(_m_)                                     \
  56 extern struct _citrus_mapper_ops _citrus_##_m_##_mapper_ops;            \
  57 struct _citrus_mapper_ops _citrus_##_m_##_mapper_ops = {                \
  58         /* mo_init */           &_citrus_##_m_##_mapper_init,           \
  59         /* mo_uninit */         &_citrus_##_m_##_mapper_uninit,         \
  60         /* mo_convert */        &_citrus_##_m_##_mapper_convert,        \
  61         /* mo_init_state */     &_citrus_##_m_##_mapper_init_state      \
  62 }
  63
  64 typedef _CITRUS_MAPPER_GETOPS_FUNC_BASE((*_citrus_mapper_getops_t));
  65 typedef int (*_citrus_mapper_init_t)(
  66     struct _citrus_mapper_area *__restrict,
  67     struct _citrus_mapper *__restrict, const char *__restrict,
  68     const void *__restrict, size_t,
  69     struct _citrus_mapper_traits * __restrict, size_t);
  70 typedef void (*_citrus_mapper_uninit_t)(struct _citrus_mapper *);
  71 typedef int (*_citrus_mapper_convert_t)(struct _citrus_mapper * __restrict,
  72     _citrus_index_t * __restrict, _citrus_index_t, void * __restrict);
  73 typedef void (*_citrus_mapper_init_state_t)(void);
  74
  75 struct _citrus_mapper_ops {
  76         _citrus_mapper_init_t                    mo_init;
  77         _citrus_mapper_uninit_t                  mo_uninit;
  78         _citrus_mapper_convert_t                 mo_convert;
  79         _citrus_mapper_init_state_t              mo_init_state;
  80 };
  81
  82 struct _citrus_mapper_traits {
  83         /* version 0x00000001 */
  84         size_t                                   mt_state_size;
  85         size_t                                   mt_src_max;
  86         size_t                                   mt_dst_max;
  87 };
  88
  89 struct _citrus_mapper {
  90         struct _citrus_mapper_ops               *cm_ops;
  91         void                                    *cm_closure;
  92         _citrus_module_t                         cm_module;
  93         struct _citrus_mapper_traits            *cm_traits;
  94         _CITRUS_HASH_ENTRY(_citrus_mapper)       cm_entry;
  95         int                                      cm_refcount;
  96         char                                    *cm_key;
  97 };
  98 #endif