1 /* $NetBSD: citrus_mapper_none.c,v 1.1 2003/06/25 09:51:45 tshiozak 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 #include <sys/cdefs.h> 30 #if defined(LIBC_SCCS) && !defined(lint) 31 __RCSID("$NetBSD: citrus_mapper_none.c,v 1.1 2003/06/25 09:51:45 tshiozak Exp $"); 32 #endif /* LIBC_SCCS and not lint */ 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 size_t lenops, uint32_t expected_version) 57 { 58 if (expected_version<_CITRUS_MAPPER_ABI_VERSION || lenops<sizeof(*ops)) 59 return (EINVAL); 60 61 memcpy(ops, &_citrus_mapper_none_mapper_ops, 62 sizeof(_citrus_mapper_none_mapper_ops)); 63 64 return 0; 65 } 66 67 static int 68 /*ARGSUSED*/ 69 _citrus_mapper_none_mapper_init(struct _citrus_mapper_area *__restrict ma, 70 struct _citrus_mapper * __restrict cm, 71 const char * __restrict dir, 72 const void * __restrict var, size_t lenvar, 73 struct _citrus_mapper_traits * __restrict mt, 74 size_t lenmt) 75 { 76 77 _DIAGASSERT(cm && dir && mt); 78 79 if (lenmt<sizeof(*mt)) 80 return (EINVAL); 81 82 cm->cm_closure = NULL; 83 mt->mt_src_max = mt->mt_dst_max = 1; /* 1:1 converter */ 84 mt->mt_state_size = 0; /* stateless */ 85 86 return 0; 87 } 88 89 static void 90 /*ARGSUSED*/ 91 _citrus_mapper_none_mapper_uninit(struct _citrus_mapper *cm) 92 { 93 } 94 95 static int 96 /*ARGSUSED*/ 97 _citrus_mapper_none_mapper_convert(struct _citrus_mapper * __restrict cm, 98 _citrus_index_t * __restrict dst, 99 _citrus_index_t src, void * __restrict ps) 100 { 101 *dst = src; 102 return _CITRUS_MAPPER_CONVERT_SUCCESS; 103 } 104 105 static void 106 /*ARGSUSED*/ 107 _citrus_mapper_none_mapper_init_state(struct _citrus_mapper * __restrict cm, 108 void * __restrict ps) 109 { 110 } 111