1 /* $NetBSD: citrus_pivot_factory.c,v 1.1 2003/06/25 09:51:39 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_pivot_factory.c,v 1.1 2003/06/25 09:51:39 tshiozak Exp $"); 32 #endif /* LIBC_SCCS and not lint */ 33 34 #include <assert.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <string.h> 38 #include <errno.h> 39 #include <ctype.h> 40 #include <limits.h> 41 #include <sys/queue.h> 42 43 #include "citrus_namespace.h" 44 #include "citrus_region.h" 45 #include "citrus_bcs.h" 46 #include "citrus_db_factory.h" 47 #include "citrus_db_hash.h" 48 #include "citrus_pivot_file.h" 49 #include "citrus_pivot_factory.h" 50 51 struct src_entry { 52 char *se_name; 53 struct _citrus_db_factory *se_df; 54 SIMPLEQ_ENTRY(src_entry) se_entry; 55 }; 56 SIMPLEQ_HEAD(src_head, src_entry); 57 58 static int 59 find_src(struct src_head *sh, struct src_entry **rse, const char *name) 60 { 61 int ret; 62 struct src_entry *se; 63 64 SIMPLEQ_FOREACH(se, sh, se_entry) { 65 if (_bcs_strcasecmp(se->se_name, name) == 0) { 66 *rse = se; 67 return 0; 68 } 69 } 70 se = malloc(sizeof(*se)); 71 if (se == NULL) 72 return errno; 73 se->se_name = strdup(name); 74 if (se->se_name == NULL) { 75 ret = errno; 76 free(se); 77 return ret; 78 } 79 ret = _db_factory_create(&se->se_df, &_db_hash_std, NULL); 80 if (ret) { 81 free(se->se_name); 82 free(se); 83 return ret; 84 } 85 SIMPLEQ_INSERT_TAIL(sh, se, se_entry); 86 *rse = se; 87 88 return 0; 89 } 90 91 static void 92 free_src(struct src_head *sh) 93 { 94 struct src_entry *se; 95 96 while((se = SIMPLEQ_FIRST(sh)) != NULL) { 97 SIMPLEQ_REMOVE_HEAD(sh, se_entry); 98 _db_factory_free(se->se_df); 99 free(se->se_name); 100 free(se); 101 } 102 } 103 104 105 #define T_COMM '#' 106 static int 107 convert_line(struct src_head *sh, const char *line, size_t len) 108 { 109 int ret; 110 struct src_entry *se; 111 const char *p; 112 char key1[LINE_MAX], key2[LINE_MAX], data[LINE_MAX]; 113 u_int32_t val; 114 115 /* cut off trailing comment */ 116 p = memchr(line, T_COMM, len); 117 if (p) 118 len = p - line; 119 120 /* key1 */ 121 line = _bcs_skip_ws_len(line, &len); 122 if (len == 0) 123 return 0; 124 p = _bcs_skip_nonws_len(line, &len); 125 if (p==line) 126 return 0; 127 snprintf(key1, sizeof(key1), "%.*s", (int)(p-line), line); 128 129 /* key2 */ 130 line = _bcs_skip_ws_len(p, &len); 131 if (len == 0) 132 return 0; 133 p = _bcs_skip_nonws_len(line, &len); 134 if (p==line) 135 return 0; 136 snprintf(key2, sizeof(key2), "%.*s", (int)(p-line), line); 137 138 /* data */ 139 line = _bcs_skip_ws_len(p, &len); 140 _bcs_trunc_rws_len(line, &len); 141 snprintf(data, sizeof(data), "%.*s", (int)len, line); 142 /* LINTED: discard const */ 143 val = strtoul(data, (char **)&p, 0); 144 if (*p != '\0') 145 return EFTYPE; 146 147 /* insert to DB */ 148 ret = find_src(sh, &se, key1); 149 if (ret) 150 return ret; 151 152 return _db_factory_add32_by_s(se->se_df, key2, val); 153 } 154 155 static int 156 dump_db(struct src_head *sh, struct _region *r) 157 { 158 int ret; 159 struct _db_factory *df; 160 struct src_entry *se; 161 size_t size; 162 void *ptr; 163 struct _region subr; 164 165 ret = _db_factory_create(&df, &_db_hash_std, NULL); 166 if (ret) 167 return ret; 168 169 SIMPLEQ_FOREACH(se, sh, se_entry) { 170 size = _db_factory_calc_size(se->se_df); 171 ptr = malloc(size); 172 if (ptr == NULL) 173 goto quit; 174 _region_init(&subr, ptr, size); 175 ret = _db_factory_serialize(se->se_df, _CITRUS_PIVOT_SUB_MAGIC, 176 &subr); 177 if (ret) 178 goto quit; 179 ret = _db_factory_add_by_s(df, se->se_name, &subr, 1); 180 if (ret) 181 goto quit; 182 } 183 184 size = _db_factory_calc_size(df); 185 ptr = malloc(size); 186 if (ptr == NULL) 187 goto quit; 188 _region_init(r, ptr, size); 189 190 ret = _db_factory_serialize(df, _CITRUS_PIVOT_MAGIC, r); 191 ptr = NULL; 192 193 quit: 194 free(ptr); 195 _db_factory_free(df); 196 return ret; 197 } 198 199 int 200 _citrus_pivot_factory_convert(FILE *out, FILE *in) 201 { 202 struct src_head sh; 203 struct _region r; 204 char *line; 205 size_t size; 206 int ret; 207 208 SIMPLEQ_INIT(&sh); 209 210 while ((line = fgetln(in, &size)) != NULL) 211 if ((ret = convert_line(&sh, line, size))) { 212 free_src(&sh); 213 return ret; 214 } 215 216 ret = dump_db(&sh, &r); 217 free_src(&sh); 218 if (ret) 219 return ret; 220 221 if (fwrite(_region_head(&r), _region_size(&r), 1, out) != 1) 222 return errno; 223 224 return 0; 225 } 226