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
convert_line(struct _citrus_db_factory * df,const char * line,size_t len)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
dump_db(struct _citrus_db_factory * df,struct _region * r)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
_citrus_lookup_factory_convert(FILE * out,FILE * in)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