chiark / gitweb /
Remove umount*.service files for Debian
[elogind.git] / src / locale-setup.c
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
30 enum {
31         /* We don't list LC_ALL here on purpose. People should be
32          * using LANG instead. */
33
34         VARIABLE_LANG,
35         VARIABLE_LC_CTYPE,
36         VARIABLE_LC_NUMERIC,
37         VARIABLE_LC_TIME,
38         VARIABLE_LC_COLLATE,
39         VARIABLE_LC_MONETARY,
40         VARIABLE_LC_MESSAGES,
41         VARIABLE_LC_PAPER,
42         VARIABLE_LC_NAME,
43         VARIABLE_LC_ADDRESS,
44         VARIABLE_LC_TELEPHONE,
45         VARIABLE_LC_MEASUREMENT,
46         VARIABLE_LC_IDENTIFICATION,
47         _VARIABLE_MAX
48 };
49
50 static const char * const variable_names[_VARIABLE_MAX] = {
51         [VARIABLE_LANG] = "LANG",
52         [VARIABLE_LC_CTYPE] = "LC_CTYPE",
53         [VARIABLE_LC_NUMERIC] = "LC_NUMERIC",
54         [VARIABLE_LC_TIME] = "TIME",
55         [VARIABLE_LC_COLLATE] = "COLLATE",
56         [VARIABLE_LC_MONETARY] = "MONETARY",
57         [VARIABLE_LC_MESSAGES] = "MESSAGE",
58         [VARIABLE_LC_PAPER] = "PAPER",
59         [VARIABLE_LC_NAME] = "NAME",
60         [VARIABLE_LC_ADDRESS] = "ADDRESS",
61         [VARIABLE_LC_TELEPHONE] = "TELEPHONE",
62         [VARIABLE_LC_MEASUREMENT] = "MEASUREMENT",
63         [VARIABLE_LC_IDENTIFICATION] = "IDENTIFICATION"
64 };
65
66 int locale_setup(void) {
67         char *variables[_VARIABLE_MAX];
68         int r, i;
69
70         zero(variables);
71
72         if ((r = parse_env_file("/proc/cmdline", WHITESPACE,
73 #ifdef TARGET_FEDORA
74                                 "LANG",                     &variables[VARIABLE_LANG],
75 #endif
76                                 "locale.LANG",              &variables[VARIABLE_LANG],
77                                 "locale.LC_CTYPE",          &variables[VARIABLE_LC_CTYPE],
78                                 "locale.LC_NUMERIC",        &variables[VARIABLE_LC_NUMERIC],
79                                 "locale.LC_TIME",           &variables[VARIABLE_LC_TIME],
80                                 "locale.LC_COLLATE",        &variables[VARIABLE_LC_COLLATE],
81                                 "locale.LC_MONETARY",       &variables[VARIABLE_LC_MONETARY],
82                                 "locale.LC_MESSAGES",       &variables[VARIABLE_LC_MESSAGES],
83                                 "locale.LC_PAPER",          &variables[VARIABLE_LC_PAPER],
84                                 "locale.LC_NAME",           &variables[VARIABLE_LC_NAME],
85                                 "locale.LC_ADDRESS",        &variables[VARIABLE_LC_ADDRESS],
86                                 "locale.LC_TELEPHONE",      &variables[VARIABLE_LC_TELEPHONE],
87                                 "locale.LC_MEASUREMENT",    &variables[VARIABLE_LC_MEASUREMENT],
88                                 "locale.LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION],
89                                 NULL)) < 0) {
90
91                 if (r != -ENOENT)
92                         log_warning("Failed to read /proc/cmdline: %s", strerror(-r));
93         }
94
95         /* Hmm, nothing set on the kernel cmd line? Then let's
96          * try /etc/locale.conf */
97         if (r <= 0 &&
98             (r = parse_env_file("/etc/locale.conf", NEWLINE,
99                                "LANG",              &variables[VARIABLE_LANG],
100                                "LC_CTYPE",          &variables[VARIABLE_LC_CTYPE],
101                                "LC_NUMERIC",        &variables[VARIABLE_LC_NUMERIC],
102                                "LC_TIME",           &variables[VARIABLE_LC_TIME],
103                                "LC_COLLATE",        &variables[VARIABLE_LC_COLLATE],
104                                "LC_MONETARY",       &variables[VARIABLE_LC_MONETARY],
105                                "LC_MESSAGES",       &variables[VARIABLE_LC_MESSAGES],
106                                "LC_PAPER",          &variables[VARIABLE_LC_PAPER],
107                                "LC_NAME",           &variables[VARIABLE_LC_NAME],
108                                "LC_ADDRESS",        &variables[VARIABLE_LC_ADDRESS],
109                                "LC_TELEPHONE",      &variables[VARIABLE_LC_TELEPHONE],
110                                "LC_MEASUREMENT",    &variables[VARIABLE_LC_MEASUREMENT],
111                                "LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION],
112                                 NULL)) < 0) {
113
114                 if (r != -ENOENT)
115                         log_warning("Failed to read /etc/locale.conf: %s", strerror(-r));
116         }
117
118 #ifdef TARGET_FEDORA
119         if (r <= 0 &&
120             (r = parse_env_file("/etc/sysconfig/i18n", NEWLINE,
121                                 "LANG", &variables[VARIABLE_LANG],
122                                 NULL)) < 0) {
123
124                 if (r != -ENOENT)
125                         log_warning("Failed to read /etc/sysconfig/i18n: %s", strerror(-r));
126         }
127
128 #elif defined(TARGET_SUSE)
129         if (r <= 0 &&
130             (r = parse_env_file("/etc/sysconfig/language", NEWLINE,
131                                 "RC_LANG", &variables[VARIABLE_LANG],
132                                 NULL)) < 0) {
133
134                 if (r != -ENOENT)
135                         log_warning("Failed to read /etc/sysconfig/language: %s", strerror(-r));
136         }
137
138 #elif defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU)
139         if (r <= 0 &&
140             (r = parse_env_file("/etc/default/locale", NEWLINE,
141                                 "LANG", &variables[VARIABLE_LANG],
142                                 NULL)) < 0) {
143
144                 if (r != -ENOENT)
145                         log_warning("Failed to read /etc/default/locale: %s", strerror(-r));
146         }
147
148 #elif defined(TARGET_ARCH)
149         if (r <= 0 &&
150             (r = parse_env_file("/etc/rc.conf", NEWLINE,
151                                 "LOCALE", &variables[VARIABLE_LANG],
152                                 NULL)) < 0) {
153
154                 if (r != -ENOENT)
155                         log_warning("Failed to read /etc/rc.conf: %s", strerror(-r));
156         }
157
158 #elif defined(TARGET_GENTOO)
159         /* Gentoo's openrc expects locale variables in /etc/env.d/
160          * These files are later compiled by env-update into shell
161          * export commands at /etc/profile.env, with variables being
162          * exported by openrc's runscript (so /etc/init.d/)
163          */
164         if (r <= 0 &&
165             (r = parse_env_file("/etc/profile.env", NEWLINE,
166                                 "export LANG",              &variables[VARIABLE_LANG],
167                                 "export LC_CTYPE",          &variables[VARIABLE_LC_CTYPE],
168                                 "export LC_NUMERIC",        &variables[VARIABLE_LC_NUMERIC],
169                                 "export LC_TIME",           &variables[VARIABLE_LC_TIME],
170                                 "export LC_COLLATE",        &variables[VARIABLE_LC_COLLATE],
171                                 "export LC_MONETARY",       &variables[VARIABLE_LC_MONETARY],
172                                 "export LC_MESSAGES",       &variables[VARIABLE_LC_MESSAGES],
173                                 "export LC_PAPER",          &variables[VARIABLE_LC_PAPER],
174                                 "export LC_NAME",           &variables[VARIABLE_LC_NAME],
175                                 "export LC_ADDRESS",        &variables[VARIABLE_LC_ADDRESS],
176                                 "export LC_TELEPHONE",      &variables[VARIABLE_LC_TELEPHONE],
177                                 "export LC_MEASUREMENT",    &variables[VARIABLE_LC_MEASUREMENT],
178                                 "export LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION],
179                                 NULL)) < 0) {
180
181                 if (r != -ENOENT)
182                         log_warning("Failed to read /etc/profile.env: %s", strerror(-r));
183         }
184 #endif
185
186         if (!variables[VARIABLE_LANG]) {
187                 if (!(variables[VARIABLE_LANG] = strdup("C"))) {
188                         r = -ENOMEM;
189                         goto finish;
190                 }
191         }
192
193         for (i = 0; i < _VARIABLE_MAX; i++) {
194
195                 if (variables[i]) {
196                         if (setenv(variable_names[i], variables[i], 1) < 0) {
197                                 r = -errno;
198                                 goto finish;
199                         }
200                 } else
201                         unsetenv(variable_names[i]);
202         }
203
204         r = 0;
205
206 finish:
207         for (i = 0; i < _VARIABLE_MAX; i++)
208                 free(variables[i]);
209
210         return r;
211 }