lib/libc/citrus/citrus_mapper_local.h

   1 /*      $NetBSD: citrus_mapper_local.h,v 1.2 2008/02/09 14:56:20 junyoung 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_MAPPER_LOCAL_H_
  30 #define _CITRUS_MAPPER_LOCAL_H_
  31
  32 #define _CITRUS_MAPPER_GETOPS_FUNC_BASE(_n_)                            \
  33 int _n_(struct _citrus_mapper_ops *, size_t, uint32_t)
  34 #define _CITRUS_MAPPER_GETOPS_FUNC(_n_)                                 \
  35 _CITRUS_MAPPER_GETOPS_FUNC_BASE(_citrus_##_n_##_mapper_getops)
  36
  37 #define _CITRUS_MAPPER_DECLS(_m_)                                       \
  38 static int      _citrus_##_m_##_mapper_init                             \
  39         (struct _citrus_mapper_area *__restrict,                        \
  40          struct _citrus_mapper * __restrict, const char * __restrict,   \
  41          const void * __restrict, size_t,                               \
  42          struct _citrus_mapper_traits * __restrict, size_t);            \
  43 static void     _citrus_##_m_##_mapper_uninit(struct _citrus_mapper *); \
  44 static int      _citrus_##_m_##_mapper_convert                          \
  45         (struct _citrus_mapper * __restrict,                            \
  46          _citrus_index_t * __restrict, _citrus_index_t,                 \
  47          void * __restrict);                                            \
  48 static void     _citrus_##_m_##_mapper_init_state                       \
  49         (struct _citrus_mapper * __restrict, void * __restrict);
  50
  51 #define _CITRUS_MAPPER_DEF_OPS(_m_)                                     \
  52 struct _citrus_mapper_ops _citrus_##_m_##_mapper_ops = {                \
  53         /* mo_abi_version */    _CITRUS_MAPPER_ABI_VERSION,             \
  54         /* mo_init */           &_citrus_##_m_##_mapper_init,           \
  55         /* mo_uninit */         &_citrus_##_m_##_mapper_uninit,         \
  56         /* mo_convert */        &_citrus_##_m_##_mapper_convert,        \
  57         /* mo_init_state */     &_citrus_##_m_##_mapper_init_state      \
  58 }
  59
  60 typedef _CITRUS_MAPPER_GETOPS_FUNC_BASE((*_citrus_mapper_getops_t));
  61 typedef int     (*_citrus_mapper_init_t)(
  62         struct _citrus_mapper_area *__restrict,
  63         struct _citrus_mapper *__restrict, const char *__restrict,
  64         const void *__restrict, size_t,
  65         struct _citrus_mapper_traits * __restrict, size_t);
  66 typedef void    (*_citrus_mapper_uninit_t)(struct _citrus_mapper *);
  67 typedef int     (*_citrus_mapper_convert_t)(struct _citrus_mapper * __restrict,
  68                                             _citrus_index_t * __restrict,
  69                                             _citrus_index_t,
  70                                             void * __restrict);
  71 typedef void    (*_citrus_mapper_init_state_t)(
  72         struct _citrus_mapper * __restrict, void * __restrict);
  73
  74 /*
  75  * ABI version change log
  76  *   0x00000001
  77  *     initial version
  78  */
  79 #define _CITRUS_MAPPER_ABI_VERSION      0x00000001
  80 struct _citrus_mapper_ops {
  81         uint32_t                        mo_abi_version;
  82         /* version 0x00000001 */
  83         _citrus_mapper_init_t           mo_init;
  84         _citrus_mapper_uninit_t         mo_uninit;
  85         _citrus_mapper_convert_t        mo_convert;
  86         _citrus_mapper_init_state_t     mo_init_state;
  87 };
  88
  89 struct _citrus_mapper_traits {
  90         /* version 0x00000001 */
  91         size_t                          mt_state_size;
  92         size_t                          mt_src_max;
  93         size_t                          mt_dst_max;
  94 };
  95
  96 struct _citrus_mapper {
  97         struct _citrus_mapper_ops               *cm_ops;
  98         void                                    *cm_closure;
  99         _citrus_module_t                        cm_module;
 100         struct _citrus_mapper_traits            *cm_traits;
 101         _CITRUS_HASH_ENTRY(_citrus_mapper)      cm_entry;
 102         int                                     cm_refcount;
 103         char                                    *cm_key;
 104 };
 105 #endif