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
|
/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include "loadinfo.h"
/* On some strange systems still no definition of NULL is found. Sigh! */
#ifndef NULL
# if defined __STDC__ && __STDC__
# define NULL ((void *) 0)
# else
# define NULL 0
# endif
#endif
/* @@ end of prolog @@ */
/* Split a locale name NAME into a leading language part and all the
rest. Return a pointer to the first character after the language,
i.e. to the first byte of the rest. */
static char *_nl_find_language (const char *name);
static char *
_nl_find_language (const char *name)
{
while (name[0] != '\0' && name[0] != '_' && name[0] != '@' && name[0] != '.')
++name;
return (char *) name;
}
int
_nl_explode_name (char *name,
const char **language, const char **modifier,
const char **territory, const char **codeset,
const char **normalized_codeset)
{
char *cp;
int mask;
*modifier = NULL;
*territory = NULL;
*codeset = NULL;
*normalized_codeset = NULL;
/* Now we determine the single parts of the locale name. First
look for the language. Termination symbols are `_', '.', and `@'. */
mask = 0;
*language = cp = name;
cp = _nl_find_language (*language);
if (*language == cp)
/* This does not make sense: language has to be specified. Use
this entry as it is without exploding. Perhaps it is an alias. */
cp = strchr (*language, '\0');
else
{
if (cp[0] == '_')
{
/* Next is the territory. */
cp[0] = '\0';
*territory = ++cp;
while (cp[0] != '\0' && cp[0] != '.' && cp[0] != '@')
++cp;
mask |= XPG_TERRITORY;
}
if (cp[0] == '.')
{
/* Next is the codeset. */
cp[0] = '\0';
*codeset = ++cp;
while (cp[0] != '\0' && cp[0] != '@')
++cp;
mask |= XPG_CODESET;
if (*codeset != cp && (*codeset)[0] != '\0')
{
*normalized_codeset = _nl_normalize_codeset (*codeset,
cp - *codeset);
if (*normalized_codeset == NULL)
return -1;
else if (strcmp (*codeset, *normalized_codeset) == 0)
free ((char *) *normalized_codeset);
else
mask |= XPG_NORM_CODESET;
}
}
}
if (cp[0] == '@')
{
/* Next is the modifier. */
cp[0] = '\0';
*modifier = ++cp;
if (cp[0] != '\0')
mask |= XPG_MODIFIER;
}
if (*territory != NULL && (*territory)[0] == '\0')
mask &= ~XPG_TERRITORY;
if (*codeset != NULL && (*codeset)[0] == '\0')
mask &= ~XPG_CODESET;
return mask;
}
|
