1 /* $FreeBSD$ */ 2 /* $NetBSD: citrus_lookup_factory.c,v 1.4 2003/10/27 00:12:42 lukem Exp $ */ 3 4 /*- 5 * SPDX-License-Identifier: BSD-2-Clause 6 * 7 * Copyright (c)2003 Citrus Project, 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 34 #include <assert.h> 35 #include <ctype.h> 36 #include <errno.h> 37 #include <limits.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <string.h> 41 42 #include "citrus_namespace.h" 43 #include "citrus_region.h" 44 #include "citrus_bcs.h" 45 #include "citrus_db_factory.h" 46 #include "citrus_db_hash.h" 47 #include "citrus_lookup_factory.h" 48 #include "citrus_lookup_file.h" 49 50 #define T_COMM '#' 51 static int 52 convert_line(struct _citrus_db_factory *df, const char *line, size_t len) 53 { 54 const char *p; 55 char data[LINE_MAX], key[LINE_MAX]; 56 57 /* cut off trailing comment */ 58 p = memchr(line, T_COMM, len); 59 if (p) 60 len = p - line; 61 62 /* key */ 63 line = _bcs_skip_ws_len(line, &len); 64 if (len == 0) 65 return (0); 66 p = _bcs_skip_nonws_len(line, &len); 67 if (p == line) 68 return (0); 69 snprintf(key, sizeof(key), "%.*s", (int)(p-line), line); 70 _bcs_convert_to_lower(key); 71 72 /* data */ 73 line = _bcs_skip_ws_len(p, &len); 74 _bcs_trunc_rws_len(line, &len); 75 snprintf(data, sizeof(data), "%.*s", (int)len, line); 76 77 return (_db_factory_addstr_by_s(df, key, data)); 78 } 79 80 static int 81 dump_db(struct _citrus_db_factory *df, struct _region *r) 82 { 83 void *ptr; 84 size_t size; 85 86 size = _db_factory_calc_size(df); 87 ptr = malloc(size); 88 if (ptr == NULL) 89 return (errno); 90 _region_init(r, ptr, size); 91 92 return (_db_factory_serialize(df, _CITRUS_LOOKUP_MAGIC, r)); 93 } 94 95 int 96 _citrus_lookup_factory_convert(FILE *out, FILE *in) 97 { 98 struct _citrus_db_factory *df; 99 struct _region r; 100 char *line; 101 size_t size; 102 int ret; 103 104 ret = _db_factory_create(&df, &_db_hash_std, NULL); 105 if (ret) 106 return (ret); 107 108 while ((line = fgetln(in, &size)) != NULL) 109 if ((ret = convert_line(df, line, size))) { 110 _db_factory_free(df); 111 return (ret); 112 } 113 114 ret = dump_db(df, &r); 115 _db_factory_free(df); 116 if (ret) 117 return (ret); 118 119 if (fwrite(_region_head(&r), _region_size(&r), 1, out) != 1) 120 return (errno); 121 122 return (0); 123 } 124