1 /* $FreeBSD$ */ 2 /* $NetBSD: citrus_mapper_none.c,v 1.2 2003/06/27 17:53:31 tshiozak Exp $ */ 3 4 /*- 5 * SPDX-License-Identifier: BSD-2-Clause 6 * 7 * Copyright (c)2003 Citrus Project, 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #include <sys/queue.h> 34 35 #include <assert.h> 36 #include <errno.h> 37 #include <stdlib.h> 38 #include <string.h> 39 40 #include "citrus_namespace.h" 41 #include "citrus_types.h" 42 #include "citrus_module.h" 43 #include "citrus_hash.h" 44 #include "citrus_mapper.h" 45 #include "citrus_mapper_none.h" 46 47 /* ---------------------------------------------------------------------- */ 48 49 _CITRUS_MAPPER_DECLS(mapper_none); 50 _CITRUS_MAPPER_DEF_OPS(mapper_none); 51 52 53 /* ---------------------------------------------------------------------- */ 54 55 int 56 _citrus_mapper_none_mapper_getops(struct _citrus_mapper_ops *ops) 57 { 58 59 memcpy(ops, &_citrus_mapper_none_mapper_ops, 60 sizeof(_citrus_mapper_none_mapper_ops)); 61 62 return (0); 63 } 64 65 static int 66 /*ARGSUSED*/ 67 _citrus_mapper_none_mapper_init(struct _citrus_mapper_area *__restrict ma __unused, 68 struct _citrus_mapper * __restrict cm, const char * __restrict dir __unused, 69 const void * __restrict var __unused, size_t lenvar __unused, 70 struct _citrus_mapper_traits * __restrict mt, size_t lenmt) 71 { 72 73 if (lenmt < sizeof(*mt)) 74 return (EINVAL); 75 76 cm->cm_closure = NULL; 77 mt->mt_src_max = mt->mt_dst_max = 1; /* 1:1 converter */ 78 mt->mt_state_size = 0; /* stateless */ 79 80 return (0); 81 } 82 83 static void 84 /*ARGSUSED*/ 85 _citrus_mapper_none_mapper_uninit(struct _citrus_mapper *cm __unused) 86 { 87 88 } 89 90 static int 91 /*ARGSUSED*/ 92 _citrus_mapper_none_mapper_convert(struct _citrus_mapper * __restrict cm __unused, 93 _citrus_index_t * __restrict dst, _citrus_index_t src, 94 void * __restrict ps __unused) 95 { 96 97 *dst = src; 98 return (_CITRUS_MAPPER_CONVERT_SUCCESS); 99 } 100 101 static void 102 /*ARGSUSED*/ 103 _citrus_mapper_none_mapper_init_state(void) 104 { 105 106 } 107