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[thirdparty/systemd.git] / src / locale-setup.c
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1/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
2
3/***
4 This file is part of systemd.
5
6 Copyright 2010 Lennart Poettering
7
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
20***/
21
22#include <string.h>
23#include <stdlib.h>
24#include <errno.h>
25
26#include "locale-setup.h"
27#include "util.h"
28#include "macro.h"
29
30enum {
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31 /* We don't list LC_ALL here on purpose. People should be
32 * using LANG instead. */
33
72bca11b 34 VARIABLE_LANG,
07bceef2 35 VARIABLE_LANGUAGE,
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36 VARIABLE_LC_CTYPE,
37 VARIABLE_LC_NUMERIC,
38 VARIABLE_LC_TIME,
39 VARIABLE_LC_COLLATE,
40 VARIABLE_LC_MONETARY,
41 VARIABLE_LC_MESSAGES,
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42 VARIABLE_LC_PAPER,
43 VARIABLE_LC_NAME,
44 VARIABLE_LC_ADDRESS,
45 VARIABLE_LC_TELEPHONE,
46 VARIABLE_LC_MEASUREMENT,
47 VARIABLE_LC_IDENTIFICATION,
48 _VARIABLE_MAX
49};
50
51static const char * const variable_names[_VARIABLE_MAX] = {
52 [VARIABLE_LANG] = "LANG",
07bceef2 53 [VARIABLE_LANGUAGE] = "LANGUAGE",
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54 [VARIABLE_LC_CTYPE] = "LC_CTYPE",
55 [VARIABLE_LC_NUMERIC] = "LC_NUMERIC",
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56 [VARIABLE_LC_TIME] = "LC_TIME",
57 [VARIABLE_LC_COLLATE] = "LC_COLLATE",
58 [VARIABLE_LC_MONETARY] = "LC_MONETARY",
08a67ac4 59 [VARIABLE_LC_MESSAGES] = "LC_MESSAGES",
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60 [VARIABLE_LC_PAPER] = "LC_PAPER",
61 [VARIABLE_LC_NAME] = "LC_NAME",
62 [VARIABLE_LC_ADDRESS] = "LC_ADDRESS",
63 [VARIABLE_LC_TELEPHONE] = "LC_TELEPHONE",
64 [VARIABLE_LC_MEASUREMENT] = "LC_MEASUREMENT",
65 [VARIABLE_LC_IDENTIFICATION] = "LC_IDENTIFICATION"
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66};
67
68int locale_setup(void) {
69 char *variables[_VARIABLE_MAX];
d885ac66 70 int r = 0, i;
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71
72 zero(variables);
73
03aea2ae 74 if (detect_container(NULL) <= 0)
2fc97846 75 if ((r = parse_env_file("/proc/cmdline", WHITESPACE,
54e4fdef 76#if defined(TARGET_FEDORA) || defined(TARGET_MEEGO)
2fc97846 77 "LANG", &variables[VARIABLE_LANG],
ce8a6aa1 78#endif
2fc97846 79 "locale.LANG", &variables[VARIABLE_LANG],
07bceef2 80 "locale.LANGUAGE", &variables[VARIABLE_LANGUAGE],
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81 "locale.LC_CTYPE", &variables[VARIABLE_LC_CTYPE],
82 "locale.LC_NUMERIC", &variables[VARIABLE_LC_NUMERIC],
83 "locale.LC_TIME", &variables[VARIABLE_LC_TIME],
84 "locale.LC_COLLATE", &variables[VARIABLE_LC_COLLATE],
85 "locale.LC_MONETARY", &variables[VARIABLE_LC_MONETARY],
86 "locale.LC_MESSAGES", &variables[VARIABLE_LC_MESSAGES],
87 "locale.LC_PAPER", &variables[VARIABLE_LC_PAPER],
88 "locale.LC_NAME", &variables[VARIABLE_LC_NAME],
89 "locale.LC_ADDRESS", &variables[VARIABLE_LC_ADDRESS],
90 "locale.LC_TELEPHONE", &variables[VARIABLE_LC_TELEPHONE],
91 "locale.LC_MEASUREMENT", &variables[VARIABLE_LC_MEASUREMENT],
92 "locale.LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION],
93 NULL)) < 0) {
ce8a6aa1 94
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95 if (r != -ENOENT)
96 log_warning("Failed to read /proc/cmdline: %s", strerror(-r));
97 }
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98
99 /* Hmm, nothing set on the kernel cmd line? Then let's
fd5bf055 100 * try /etc/locale.conf */
ce8a6aa1 101 if (r <= 0 &&
fd5bf055 102 (r = parse_env_file("/etc/locale.conf", NEWLINE,
ce8a6aa1 103 "LANG", &variables[VARIABLE_LANG],
07bceef2 104 "LANGUAGE", &variables[VARIABLE_LANGUAGE],
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105 "LC_CTYPE", &variables[VARIABLE_LC_CTYPE],
106 "LC_NUMERIC", &variables[VARIABLE_LC_NUMERIC],
107 "LC_TIME", &variables[VARIABLE_LC_TIME],
108 "LC_COLLATE", &variables[VARIABLE_LC_COLLATE],
109 "LC_MONETARY", &variables[VARIABLE_LC_MONETARY],
110 "LC_MESSAGES", &variables[VARIABLE_LC_MESSAGES],
111 "LC_PAPER", &variables[VARIABLE_LC_PAPER],
112 "LC_NAME", &variables[VARIABLE_LC_NAME],
113 "LC_ADDRESS", &variables[VARIABLE_LC_ADDRESS],
114 "LC_TELEPHONE", &variables[VARIABLE_LC_TELEPHONE],
115 "LC_MEASUREMENT", &variables[VARIABLE_LC_MEASUREMENT],
116 "LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION],
117 NULL)) < 0) {
118
119 if (r != -ENOENT)
fd5bf055 120 log_warning("Failed to read /etc/locale.conf: %s", strerror(-r));
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121 }
122
54e4fdef 123#if defined(TARGET_FEDORA) || defined(TARGET_ALTLINUX) || defined(TARGET_MEEGO)
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124 if (r <= 0 &&
125 (r = parse_env_file("/etc/sysconfig/i18n", NEWLINE,
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126 "LANG", &variables[VARIABLE_LANG],
127 NULL)) < 0) {
128
129 if (r != -ENOENT)
130 log_warning("Failed to read /etc/sysconfig/i18n: %s", strerror(-r));
131 }
653ab83b 132
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133#elif defined(TARGET_SUSE)
134 if (r <= 0 &&
135 (r = parse_env_file("/etc/sysconfig/language", NEWLINE,
136 "RC_LANG", &variables[VARIABLE_LANG],
137 NULL)) < 0) {
138
139 if (r != -ENOENT)
140 log_warning("Failed to read /etc/sysconfig/language: %s", strerror(-r));
141 }
142
1bd8b818 143#elif defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
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144 if (r <= 0 &&
145 (r = parse_env_file("/etc/default/locale", NEWLINE,
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146 "LANG", &variables[VARIABLE_LANG],
147 "LC_CTYPE", &variables[VARIABLE_LC_CTYPE],
148 "LC_NUMERIC", &variables[VARIABLE_LC_NUMERIC],
149 "LC_TIME", &variables[VARIABLE_LC_TIME],
150 "LC_COLLATE", &variables[VARIABLE_LC_COLLATE],
151 "LC_MONETARY", &variables[VARIABLE_LC_MONETARY],
152 "LC_MESSAGES", &variables[VARIABLE_LC_MESSAGES],
153 "LC_PAPER", &variables[VARIABLE_LC_PAPER],
154 "LC_NAME", &variables[VARIABLE_LC_NAME],
155 "LC_ADDRESS", &variables[VARIABLE_LC_ADDRESS],
156 "LC_TELEPHONE", &variables[VARIABLE_LC_TELEPHONE],
157 "LC_MEASUREMENT", &variables[VARIABLE_LC_MEASUREMENT],
158 "LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION],
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159 NULL)) < 0) {
160
161 if (r != -ENOENT)
162 log_warning("Failed to read /etc/default/locale: %s", strerror(-r));
163 }
164
f2fcd59f 165#elif defined(TARGET_ARCH)
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166 if (r <= 0 &&
167 (r = parse_env_file("/etc/rc.conf", NEWLINE,
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168 "LOCALE", &variables[VARIABLE_LANG],
169 NULL)) < 0) {
f2fcd59f 170
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171 if (r != -ENOENT)
172 log_warning("Failed to read /etc/rc.conf: %s", strerror(-r));
173 }
653ab83b 174
918f4c69
GSB
175#elif defined(TARGET_GENTOO)
176 /* Gentoo's openrc expects locale variables in /etc/env.d/
177 * These files are later compiled by env-update into shell
178 * export commands at /etc/profile.env, with variables being
179 * exported by openrc's runscript (so /etc/init.d/)
180 */
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181 if (r <= 0 &&
182 (r = parse_env_file("/etc/profile.env", NEWLINE,
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183 "export LANG", &variables[VARIABLE_LANG],
184 "export LC_CTYPE", &variables[VARIABLE_LC_CTYPE],
185 "export LC_NUMERIC", &variables[VARIABLE_LC_NUMERIC],
186 "export LC_TIME", &variables[VARIABLE_LC_TIME],
187 "export LC_COLLATE", &variables[VARIABLE_LC_COLLATE],
188 "export LC_MONETARY", &variables[VARIABLE_LC_MONETARY],
189 "export LC_MESSAGES", &variables[VARIABLE_LC_MESSAGES],
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190 "export LC_PAPER", &variables[VARIABLE_LC_PAPER],
191 "export LC_NAME", &variables[VARIABLE_LC_NAME],
192 "export LC_ADDRESS", &variables[VARIABLE_LC_ADDRESS],
193 "export LC_TELEPHONE", &variables[VARIABLE_LC_TELEPHONE],
194 "export LC_MEASUREMENT", &variables[VARIABLE_LC_MEASUREMENT],
195 "export LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION],
196 NULL)) < 0) {
197
198 if (r != -ENOENT)
199 log_warning("Failed to read /etc/profile.env: %s", strerror(-r));
200 }
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201#elif defined(TARGET_MANDRIVA)
202 if (r <= 0 &&
203 (r = parse_env_file("/etc/sysconfig/i18n", NEWLINE,
204 "LANG", &variables[VARIABLE_LANG],
205 "LC_CTYPE", &variables[VARIABLE_LC_CTYPE],
206 "LC_NUMERIC", &variables[VARIABLE_LC_NUMERIC],
207 "LC_TIME", &variables[VARIABLE_LC_TIME],
208 "LC_COLLATE", &variables[VARIABLE_LC_COLLATE],
209 "LC_MONETARY", &variables[VARIABLE_LC_MONETARY],
210 "LC_MESSAGES", &variables[VARIABLE_LC_MESSAGES],
211 "LC_PAPER", &variables[VARIABLE_LC_PAPER],
212 "LC_NAME", &variables[VARIABLE_LC_NAME],
213 "LC_ADDRESS", &variables[VARIABLE_LC_ADDRESS],
214 "LC_TELEPHONE", &variables[VARIABLE_LC_TELEPHONE],
215 "LC_MEASUREMENT", &variables[VARIABLE_LC_MEASUREMENT],
216 "LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION],
217 NULL)) < 0) {
218
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219 if (r != -ENOENT)
220 log_warning("Failed to read /etc/sysconfig/i18n: %s", strerror(-r));
1de4d79b
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221 }
222
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223#endif
224
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225 if (!variables[VARIABLE_LANG]) {
226 if (!(variables[VARIABLE_LANG] = strdup("C"))) {
227 r = -ENOMEM;
228 goto finish;
229 }
230 }
231
232 for (i = 0; i < _VARIABLE_MAX; i++) {
233
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LP
234 if (variables[i]) {
235 if (setenv(variable_names[i], variables[i], 1) < 0) {
236 r = -errno;
237 goto finish;
238 }
239 } else
240 unsetenv(variable_names[i]);
72bca11b 241 }
8780d48d 242
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243 r = 0;
244
245finish:
246 for (i = 0; i < _VARIABLE_MAX; i++)
247 free(variables[i]);
248
249 return r;
250}