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