1 /* $NetBSD: citrus_lookup_factory.c,v 1.4 2003/10/27 00:12:42 lukem 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 #if HAVE_NBTOOL_CONFIG_H 30 #include "nbtool_config.h" 31 #endif 32 33 #include <sys/cdefs.h> 34 #if defined(LIBC_SCCS) && !defined(lint) 35 __RCSID("$NetBSD: citrus_lookup_factory.c,v 1.4 2003/10/27 00:12:42 lukem Exp $"); 36 #endif /* LIBC_SCCS and not lint */ 37 38 #include <assert.h> 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <string.h> 42 #include <errno.h> 43 #include <ctype.h> 44 #include <limits.h> 45 46 #include "citrus_namespace.h" 47 #include "citrus_region.h" 48 #include "citrus_bcs.h" 49 #include "citrus_db_factory.h" 50 #include "citrus_db_hash.h" 51 #include "citrus_lookup_factory.h" 52 #include "citrus_lookup_file.h" 53 54 #define T_COMM '#' 55 static int 56 convert_line(struct _citrus_db_factory *df, const char *line, size_t len) 57 { 58 const char *p; 59 char key[LINE_MAX], data[LINE_MAX]; 60 61 /* cut off trailing comment */ 62 p = memchr(line, T_COMM, len); 63 if (p) 64 len = p - line; 65 66 /* key */ 67 line = _bcs_skip_ws_len(line, &len); 68 if (len == 0) 69 return 0; 70 p = _bcs_skip_nonws_len(line, &len); 71 if (p==line) 72 return 0; 73 snprintf(key, sizeof(key), "%.*s", (int)(p-line), line); 74 _bcs_convert_to_lower(key); 75 76 /* data */ 77 line = _bcs_skip_ws_len(p, &len); 78 _bcs_trunc_rws_len(line, &len); 79 snprintf(data, sizeof(data), "%.*s", (int)len, line); 80 81 return _db_factory_addstr_by_s(df, key, data); 82 } 83 84 static int 85 dump_db(struct _citrus_db_factory *df, struct _region *r) 86 { 87 size_t size; 88 void *ptr; 89 90 size = _db_factory_calc_size(df); 91 ptr = malloc(size); 92 if (ptr == NULL) 93 return errno; 94 _region_init(r, ptr, size); 95 96 return _db_factory_serialize(df, _CITRUS_LOOKUP_MAGIC, r); 97 } 98 99 int 100 _citrus_lookup_factory_convert(FILE *out, FILE *in) 101 { 102 struct _citrus_db_factory *df; 103 struct _region r; 104 char *line; 105 size_t size; 106 int ret; 107 108 ret = _db_factory_create(&df, &_db_hash_std, NULL); 109 if (ret) 110 return ret; 111 112 while ((line = fgetln(in, &size)) != NULL) 113 if ((ret = convert_line(df, line, size))) { 114 _db_factory_free(df); 115 return ret; 116 } 117 118 ret = dump_db(df, &r); 119 _db_factory_free(df); 120 if (ret) 121 return ret; 122 123 if (fwrite(_region_head(&r), _region_size(&r), 1, out) != 1) 124 return errno; 125 126 return 0; 127 } 128