summaryrefslogtreecommitdiff
path: root/src/locale-setup.c
blob: ae7529801b9510dd7c7c18add984d3aa08d505a0 (plain)
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
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/

/***
  This file is part of systemd.

  Copyright 2010 Lennart Poettering

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  systemd 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
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/

#include <string.h>
#include <stdlib.h>
#include <errno.h>

#include "locale-setup.h"
#include "util.h"
#include "macro.h"

enum {
        /* We don't list LC_ALL here on purpose. People should be
         * using LANG instead. */

        VARIABLE_LANG,
        VARIABLE_LC_CTYPE,
        VARIABLE_LC_NUMERIC,
        VARIABLE_LC_TIME,
        VARIABLE_LC_COLLATE,
        VARIABLE_LC_MONETARY,
        VARIABLE_LC_MESSAGES,
        VARIABLE_LC_PAPER,
        VARIABLE_LC_NAME,
        VARIABLE_LC_ADDRESS,
        VARIABLE_LC_TELEPHONE,
        VARIABLE_LC_MEASUREMENT,
        VARIABLE_LC_IDENTIFICATION,
        _VARIABLE_MAX
};

static const char * const variable_names[_VARIABLE_MAX] = {
        [VARIABLE_LANG] = "LANG",
        [VARIABLE_LC_CTYPE] = "LC_CTYPE",
        [VARIABLE_LC_NUMERIC] = "LC_NUMERIC",
        [VARIABLE_LC_TIME] = "TIME",
        [VARIABLE_LC_COLLATE] = "COLLATE",
        [VARIABLE_LC_MONETARY] = "MONETARY",
        [VARIABLE_LC_MESSAGES] = "MESSAGE",
        [VARIABLE_LC_PAPER] = "PAPER",
        [VARIABLE_LC_NAME] = "NAME",
        [VARIABLE_LC_ADDRESS] = "ADDRESS",
        [VARIABLE_LC_TELEPHONE] = "TELEPHONE",
        [VARIABLE_LC_MEASUREMENT] = "MEASUREMENT",
        [VARIABLE_LC_IDENTIFICATION] = "IDENTIFICATION"
};

int locale_setup(void) {
        char *variables[_VARIABLE_MAX];
        int r, i;

        zero(variables);

#ifdef TARGET_FEDORA
        if ((r = parse_env_file("/etc/sysconfig/i18n", NEWLINE,
                                "LANG", &variables[VARIABLE_LANG],
                                NULL)) < 0) {

                if (r != -ENOENT)
                        log_warning("Failed to read /etc/sysconfig/i18n: %s", strerror(-r));
        }
#elif defined(TARGET_ARCH)
        if ((r = parse_env_file("/etc/rc.conf", NEWLINE,
                                "LOCALE", &variables[VARIABLE_LANG],
                                NULL)) < 0) {

                if (r != -ENOENT)
                        log_warning("Failed to read /etc/rc.conf: %s", strerror(-r));
        }
#elif defined(TARGET_GENTOO)
        /* Gentoo's openrc expects locale variables in /etc/env.d/
         * These files are later compiled by env-update into shell
         * export commands at /etc/profile.env, with variables being
         * exported by openrc's runscript (so /etc/init.d/)
         */
        if ((r = parse_env_file("/etc/profile.env", NEWLINE,
                                "export LANG",              &variables[VARIABLE_LANG],
                                "export LC_CTYPE",          &variables[VARIABLE_LC_CTYPE],
                                "export LC_NUMERIC",        &variables[VARIABLE_LC_NUMERIC],
                                "export LC_TIME",           &variables[VARIABLE_LC_TIME],
                                "export LC_COLLATE",        &variables[VARIABLE_LC_COLLATE],
                                "export LC_MONETARY",       &variables[VARIABLE_LC_MONETARY],
                                "export LC_MESSAGES",       &variables[VARIABLE_LC_MESSAGES],
                                "export LC_PAPER",          &variables[VARIABLE_LC_PAPER],
                                "export LC_NAME",           &variables[VARIABLE_LC_NAME],
                                "export LC_ADDRESS",        &variables[VARIABLE_LC_ADDRESS],
                                "export LC_TELEPHONE",      &variables[VARIABLE_LC_TELEPHONE],
                                "export LC_MEASUREMENT",    &variables[VARIABLE_LC_MEASUREMENT],
                                "export LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION],
                                NULL)) < 0) {

                if (r != -ENOENT)
                        log_warning("Failed to read /etc/profile.env: %s", strerror(-r));
        }
#endif

        /* Override distribution-specific options with the
         * distribution-independent configuration */
        if ((r = parse_env_file("/etc/locale", NEWLINE,
                                "LANG",              &variables[VARIABLE_LANG],
                                "LC_CTYPE",          &variables[VARIABLE_LC_CTYPE],
                                "LC_NUMERIC",        &variables[VARIABLE_LC_NUMERIC],
                                "LC_TIME",           &variables[VARIABLE_LC_TIME],
                                "LC_COLLATE",        &variables[VARIABLE_LC_COLLATE],
                                "LC_MONETARY",       &variables[VARIABLE_LC_MONETARY],
                                "LC_MESSAGES",       &variables[VARIABLE_LC_MESSAGES],
                                "LC_PAPER",          &variables[VARIABLE_LC_PAPER],
                                "LC_NAME",           &variables[VARIABLE_LC_NAME],
                                "LC_ADDRESS",        &variables[VARIABLE_LC_ADDRESS],
                                "LC_TELEPHONE",      &variables[VARIABLE_LC_TELEPHONE],
                                "LC_MEASUREMENT",    &variables[VARIABLE_LC_MEASUREMENT],
                                "LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION],
                                NULL)) < 0) {

                if (r != -ENOENT)
                        log_warning("Failed to read /etc/locale: %s", strerror(-r));
        }

        if ((r = parse_env_file("/proc/cmdline", WHITESPACE,
#ifdef TARGET_FEDORA
                                "LANG",                     &variables[VARIABLE_LANG],
#endif
                                "locale.LANG",              &variables[VARIABLE_LANG],
                                "locale.LC_CTYPE",          &variables[VARIABLE_LC_CTYPE],
                                "locale.LC_NUMERIC",        &variables[VARIABLE_LC_NUMERIC],
                                "locale.LC_TIME",           &variables[VARIABLE_LC_TIME],
                                "locale.LC_COLLATE",        &variables[VARIABLE_LC_COLLATE],
                                "locale.LC_MONETARY",       &variables[VARIABLE_LC_MONETARY],
                                "locale.LC_MESSAGES",       &variables[VARIABLE_LC_MESSAGES],
                                "locale.LC_PAPER",          &variables[VARIABLE_LC_PAPER],
                                "locale.LC_NAME",           &variables[VARIABLE_LC_NAME],
                                "locale.LC_ADDRESS",        &variables[VARIABLE_LC_ADDRESS],
                                "locale.LC_TELEPHONE",      &variables[VARIABLE_LC_TELEPHONE],
                                "locale.LC_MEASUREMENT",    &variables[VARIABLE_LC_MEASUREMENT],
                                "locale.LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION],
                                NULL)) < 0) {

                if (r != -ENOENT)
                        log_warning("Failed to read /proc/cmdline: %s", strerror(-r));
        }

        if (!variables[VARIABLE_LANG]) {
                if (!(variables[VARIABLE_LANG] = strdup("C"))) {
                        r = -ENOMEM;
                        goto finish;
                }
        }

        for (i = 0; i < _VARIABLE_MAX; i++) {

                if (!variables[i])
                        continue;

                if (setenv(variable_names[i], variables[i], 1) < 0) {
                        r = -errno;
                        goto finish;
                }

        }
        r = 0;

finish:
        for (i = 0; i < _VARIABLE_MAX; i++)
                free(variables[i]);

        return r;
}