Replace legacy make with bmake
[dragonfly.git] / lib / libc / citrus / citrus_lookup_factory.c
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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 1.2 2008/04/10 10:21:01 hasso Exp $ */
2180e8af
JS
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 '#'
48static int
49convert_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
77static int
78dump_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
92int
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}