1 /* $NetBSD: src/lib/libc/citrus/citrus_lookup_factory.c,v 1.4 2003/10/27 00:12:42 lukem Exp $ */ 2 /* $DragonFly: src/lib/libc/citrus/citrus_lookup_factory.c,v 1.1 2005/03/11 23:33:53 joerg Exp $ */ 3 4 /*- 5 * Copyright (c)2003 Citrus Project, 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/endian.h> 31 #include <assert.h> 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <string.h> 35 #include <errno.h> 36 #include <ctype.h> 37 #include <limits.h> 38 39 #include "citrus_namespace.h" 40 #include "citrus_region.h" 41 #include "citrus_bcs.h" 42 #include "citrus_db_factory.h" 43 #include "citrus_db_hash.h" 44 #include "citrus_lookup_factory.h" 45 #include "citrus_lookup_file.h" 46 47 #define T_COMM '#' 48 static int 49 convert_line(struct _citrus_db_factory *df, const char *line, size_t len) 50 { 51 const char *p; 52 char key[LINE_MAX], data[LINE_MAX]; 53 54 /* cut off trailing comment */ 55 p = memchr(line, T_COMM, len); 56 if (p) 57 len = p - line; 58 59 /* key */ 60 line = _bcs_skip_ws_len(line, &len); 61 if (len == 0) 62 return 0; 63 p = _bcs_skip_nonws_len(line, &len); 64 if (p==line) 65 return 0; 66 snprintf(key, sizeof(key), "%.*s", (int)(p-line), line); 67 _bcs_convert_to_lower(key); 68 69 /* data */ 70 line = _bcs_skip_ws_len(p, &len); 71 _bcs_trunc_rws_len(line, &len); 72 snprintf(data, sizeof(data), "%.*s", (int)len, line); 73 74 return _db_factory_addstr_by_s(df, key, data); 75 } 76 77 static int 78 dump_db(struct _citrus_db_factory *df, struct _region *r) 79 { 80 size_t size; 81 void *ptr; 82 83 size = _db_factory_calc_size(df); 84 ptr = malloc(size); 85 if (ptr == NULL) 86 return errno; 87 _region_init(r, ptr, size); 88 89 return _db_factory_serialize(df, _CITRUS_LOOKUP_MAGIC, r); 90 } 91 92 int 93 _citrus_lookup_factory_convert(FILE *out, FILE *in) 94 { 95 struct _citrus_db_factory *df; 96 struct _region r; 97 char *line; 98 size_t size; 99 int ret; 100 101 ret = _db_factory_create(&df, &_db_hash_std, NULL); 102 if (ret) 103 return ret; 104 105 while ((line = fgetln(in, &size)) != NULL) 106 if ((ret = convert_line(df, line, size))) { 107 _db_factory_free(df); 108 return ret; 109 } 110 111 ret = dump_db(df, &r); 112 _db_factory_free(df); 113 if (ret) 114 return ret; 115 116 if (fwrite(_region_head(&r), _region_size(&r), 1, out) != 1) 117 return errno; 118 119 return 0; 120 } 121