1 /* $NetBSD: citrus_mapper_none.c,v 1.2 2003/06/27 17:53:31 tshiozak 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 #include <sys/cdefs.h> 32 #include <sys/queue.h> 33 34 #include <assert.h> 35 #include <errno.h> 36 #include <stdlib.h> 37 #include <string.h> 38 39 #include "citrus_namespace.h" 40 #include "citrus_types.h" 41 #include "citrus_module.h" 42 #include "citrus_hash.h" 43 #include "citrus_mapper.h" 44 #include "citrus_mapper_none.h" 45 46 /* ---------------------------------------------------------------------- */ 47 48 _CITRUS_MAPPER_DECLS(mapper_none); 49 _CITRUS_MAPPER_DEF_OPS(mapper_none); 50 51 52 /* ---------------------------------------------------------------------- */ 53 54 int 55 _citrus_mapper_none_mapper_getops(struct _citrus_mapper_ops *ops) 56 { 57 58 memcpy(ops, &_citrus_mapper_none_mapper_ops, 59 sizeof(_citrus_mapper_none_mapper_ops)); 60 61 return (0); 62 } 63 64 static int 65 /*ARGSUSED*/ 66 _citrus_mapper_none_mapper_init(struct _citrus_mapper_area *__restrict ma __unused, 67 struct _citrus_mapper * __restrict cm, const char * __restrict dir __unused, 68 const void * __restrict var __unused, size_t lenvar __unused, 69 struct _citrus_mapper_traits * __restrict mt, size_t lenmt) 70 { 71 72 if (lenmt < sizeof(*mt)) 73 return (EINVAL); 74 75 cm->cm_closure = NULL; 76 mt->mt_src_max = mt->mt_dst_max = 1; /* 1:1 converter */ 77 mt->mt_state_size = 0; /* stateless */ 78 79 return (0); 80 } 81 82 static void 83 /*ARGSUSED*/ 84 _citrus_mapper_none_mapper_uninit(struct _citrus_mapper *cm __unused) 85 { 86 87 } 88 89 static int 90 /*ARGSUSED*/ 91 _citrus_mapper_none_mapper_convert(struct _citrus_mapper * __restrict cm __unused, 92 _citrus_index_t * __restrict dst, _citrus_index_t src, 93 void * __restrict ps __unused) 94 { 95 96 *dst = src; 97 return (_CITRUS_MAPPER_CONVERT_SUCCESS); 98 } 99 100 static void 101 /*ARGSUSED*/ 102 _citrus_mapper_none_mapper_init_state(void) 103 { 104 105 } 106