1 /* $NetBSD: citrus_mapper_none.c,v 1.2 2003/06/27 17:53:31 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 1.2 2003/06/27 17:53:31 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 #include <sys/queue.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 size_t lenops, uint32_t expected_version) 58 { 59 if (expected_version<_CITRUS_MAPPER_ABI_VERSION || lenops<sizeof(*ops)) 60 return (EINVAL); 61 62 memcpy(ops, &_citrus_mapper_none_mapper_ops, 63 sizeof(_citrus_mapper_none_mapper_ops)); 64 65 return 0; 66 } 67 68 static int 69 /*ARGSUSED*/ 70 _citrus_mapper_none_mapper_init(struct _citrus_mapper_area *__restrict ma, 71 struct _citrus_mapper * __restrict cm, 72 const char * __restrict dir, 73 const void * __restrict var, size_t lenvar, 74 struct _citrus_mapper_traits * __restrict mt, 75 size_t lenmt) 76 { 77 78 _DIAGASSERT(cm && dir && mt); 79 80 if (lenmt<sizeof(*mt)) 81 return (EINVAL); 82 83 cm->cm_closure = NULL; 84 mt->mt_src_max = mt->mt_dst_max = 1; /* 1:1 converter */ 85 mt->mt_state_size = 0; /* stateless */ 86 87 return 0; 88 } 89 90 static void 91 /*ARGSUSED*/ 92 _citrus_mapper_none_mapper_uninit(struct _citrus_mapper *cm) 93 { 94 } 95 96 static int 97 /*ARGSUSED*/ 98 _citrus_mapper_none_mapper_convert(struct _citrus_mapper * __restrict cm, 99 _citrus_index_t * __restrict dst, 100 _citrus_index_t src, void * __restrict ps) 101 { 102 *dst = src; 103 return _CITRUS_MAPPER_CONVERT_SUCCESS; 104 } 105 106 static void 107 /*ARGSUSED*/ 108 _citrus_mapper_none_mapper_init_state(struct _citrus_mapper * __restrict cm, 109 void * __restrict ps) 110 { 111 } 112