1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <alloca.h>
#include <langinfo.h>
#include <string.h>
/* Undefine following line in production version. */
/* #define NDEBUG 1 */
#include <assert.h>
#include "locales.h"
#include "localeinfo.h"
#include "stringtrans.h"
void *xmalloc (size_t __n);
void *xrealloc (void *__ptr, size_t __n);
/* The real definition of the struct for the LC_NUMERIC locale. */
struct locale_numeric_t
{
const char *decimal_point;
const char *thousands_sep;
char *grouping;
size_t grouping_max;
size_t grouping_act;
};
void
numeric_startup (struct linereader *lr, struct localedef_t *locale,
struct charset_t *charset)
{
struct locale_numeric_t *numeric;
/* It is important that we always use UCS1 encoding for strings now. */
encoding_method = ENC_UCS1;
locale->categories[LC_NUMERIC].numeric = numeric =
(struct locale_numeric_t *) xmalloc (sizeof (struct locale_numeric_t));
memset (numeric, '\0', sizeof (struct locale_numeric_t));
numeric->grouping_max = 80;
numeric->grouping = (char *) xmalloc (numeric->grouping_max);
numeric->grouping_act = 0;
}
void
numeric_finish (struct localedef_t *locale)
{
struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric;
#define TEST_ELEM(cat) \
if (numeric->cat == NULL && !be_quiet) \
error (0, 0, _("field `%s' in category `%s' not defined"), \
#cat, "LC_NUMERIC")
TEST_ELEM (decimal_point);
TEST_ELEM (thousands_sep);
/* The decimal point must not be empty. This is not said explicitly
in POSIX but ANSI C (ISO/IEC 9899) says in 4.4.2.1 it has to be
!= "". */
if (numeric->decimal_point[0] == '\0' && !be_quiet)
{
error (0, 0, _("\
value for field `%s' in category `%s' must not be the empty string"),
"decimal_point", "LC_NUMERIC");
}
if (numeric->grouping_act == 0 && !be_quiet)
error (0, 0, _("field `%s' in category `%s' not defined"),
"grouping", "LC_NUMERIC");
}
void
numeric_output (struct localedef_t *locale, const char *output_path)
{
struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric;
struct iovec iov[2 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC)];
struct locale_file data;
u_int32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC)];
size_t cnt = 0;
if ((locale->binary & (1 << LC_NUMERIC)) != 0)
{
iov[0].iov_base = numeric;
iov[0].iov_len = locale->len[LC_NUMERIC];
write_locale_data (output_path, "LC_NUMERIC", 1, iov);
return;
}
data.magic = LIMAGIC (LC_NUMERIC);
data.n = _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC);
iov[cnt].iov_base = (void *) &data;
iov[cnt].iov_len = sizeof (data);
++cnt;
iov[cnt].iov_base = (void *) idx;
iov[cnt].iov_len = sizeof (idx);
++cnt;
idx[cnt - 2] = iov[0].iov_len + iov[1].iov_len;
iov[cnt].iov_base = (void *) (numeric->decimal_point ?: "");
iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
++cnt;
idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
iov[cnt].iov_base = (void *) (numeric->thousands_sep ?: "");
iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
++cnt;
idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
iov[cnt].iov_base = alloca (numeric->grouping_act + 1);
iov[cnt].iov_len = numeric->grouping_act + 1;
memcpy (iov[cnt].iov_base, numeric->grouping, numeric->grouping_act);
((char *) iov[cnt].iov_base)[numeric->grouping_act] = '\0';
assert (cnt + 1 == 2 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC));
write_locale_data (output_path, "LC_NUMERIC",
2 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC), iov);
}
void
numeric_add (struct linereader *lr, struct localedef_t *locale,
enum token_t tok, struct token *code,
struct charset_t *charset)
{
struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric;
switch (tok)
{
#define STR_ELEM(cat) \
case tok_##cat: \
if (numeric->cat != NULL) \
lr_error (lr, _("\
field `%s' in category `%s' declared more than once"), \
#cat, "LC_NUMERIC"); \
else if (code->val.str.start == NULL) \
{ \
lr_error (lr, _("unknown character in field `%s' of category `%s'"),\
#cat, "LC_NUMERIC"); \
numeric->cat = ""; \
} \
else \
numeric->cat = code->val.str.start; \
break
STR_ELEM (decimal_point);
STR_ELEM (thousands_sep);
case tok_grouping:
if (numeric->grouping_act == numeric->grouping_max)
{
numeric->grouping_max *= 2;
numeric->grouping = (char *) xrealloc (numeric->grouping,
numeric->grouping_max);
}
if (numeric->grouping_act > 0
&& (numeric->grouping[numeric->grouping_act - 1] == '\177'))
{
lr_error (lr, _("\
`-1' must be last entry in `%s' field in `%s' category"),
"grouping", "LC_NUMERIC");
--numeric->grouping_act;
}
if (code->tok == tok_minus1)
numeric->grouping[numeric->grouping_act++] = '\177';
else if (code->val.num == 0)
/* A value of 0 disables grouping from here on but we must
not store a NUL character since this terminates the string.
Use something different which must not be used otherwise. */
numeric->grouping[numeric->grouping_act++] = '\377';
else if (code->val.num > 126)
lr_error (lr, _("\
values for field `%s' in category `%s' must be smaller than 127"),
"grouping", "LC_NUMERIC");
else
numeric->grouping[numeric->grouping_act++] = code->val.num;
break;
default:
assert (! "unknown token in category `LC_NUMERIC': should not happen");
}
}
|
GitWeb