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72bca11b LP |
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 | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
72bca11b LP |
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 | |
5430f7f2 | 16 | Lesser General Public License for more details. |
72bca11b | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
72bca11b LP |
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" | |
5dc4c17f | 29 | #include "virt.h" |
a5c32cff | 30 | #include "fileio.h" |
72bca11b LP |
31 | |
32 | enum { | |
97e3d13f LP |
33 | /* We don't list LC_ALL here on purpose. People should be |
34 | * using LANG instead. */ | |
35 | ||
72bca11b | 36 | VARIABLE_LANG, |
07bceef2 | 37 | VARIABLE_LANGUAGE, |
72bca11b LP |
38 | VARIABLE_LC_CTYPE, |
39 | VARIABLE_LC_NUMERIC, | |
40 | VARIABLE_LC_TIME, | |
41 | VARIABLE_LC_COLLATE, | |
42 | VARIABLE_LC_MONETARY, | |
43 | VARIABLE_LC_MESSAGES, | |
72bca11b LP |
44 | VARIABLE_LC_PAPER, |
45 | VARIABLE_LC_NAME, | |
46 | VARIABLE_LC_ADDRESS, | |
47 | VARIABLE_LC_TELEPHONE, | |
48 | VARIABLE_LC_MEASUREMENT, | |
49 | VARIABLE_LC_IDENTIFICATION, | |
50 | _VARIABLE_MAX | |
51 | }; | |
52 | ||
53 | static const char * const variable_names[_VARIABLE_MAX] = { | |
54 | [VARIABLE_LANG] = "LANG", | |
07bceef2 | 55 | [VARIABLE_LANGUAGE] = "LANGUAGE", |
72bca11b LP |
56 | [VARIABLE_LC_CTYPE] = "LC_CTYPE", |
57 | [VARIABLE_LC_NUMERIC] = "LC_NUMERIC", | |
e624abf7 LP |
58 | [VARIABLE_LC_TIME] = "LC_TIME", |
59 | [VARIABLE_LC_COLLATE] = "LC_COLLATE", | |
60 | [VARIABLE_LC_MONETARY] = "LC_MONETARY", | |
08a67ac4 | 61 | [VARIABLE_LC_MESSAGES] = "LC_MESSAGES", |
e624abf7 LP |
62 | [VARIABLE_LC_PAPER] = "LC_PAPER", |
63 | [VARIABLE_LC_NAME] = "LC_NAME", | |
64 | [VARIABLE_LC_ADDRESS] = "LC_ADDRESS", | |
65 | [VARIABLE_LC_TELEPHONE] = "LC_TELEPHONE", | |
66 | [VARIABLE_LC_MEASUREMENT] = "LC_MEASUREMENT", | |
67 | [VARIABLE_LC_IDENTIFICATION] = "LC_IDENTIFICATION" | |
72bca11b LP |
68 | }; |
69 | ||
70 | int locale_setup(void) { | |
71 | char *variables[_VARIABLE_MAX]; | |
d885ac66 | 72 | int r = 0, i; |
72bca11b LP |
73 | |
74 | zero(variables); | |
75 | ||
39d99a07 LP |
76 | if (detect_container(NULL) <= 0) { |
77 | r = parse_env_file("/proc/cmdline", WHITESPACE, | |
39d99a07 LP |
78 | "locale.LANG", &variables[VARIABLE_LANG], |
79 | "locale.LANGUAGE", &variables[VARIABLE_LANGUAGE], | |
80 | "locale.LC_CTYPE", &variables[VARIABLE_LC_CTYPE], | |
81 | "locale.LC_NUMERIC", &variables[VARIABLE_LC_NUMERIC], | |
82 | "locale.LC_TIME", &variables[VARIABLE_LC_TIME], | |
83 | "locale.LC_COLLATE", &variables[VARIABLE_LC_COLLATE], | |
84 | "locale.LC_MONETARY", &variables[VARIABLE_LC_MONETARY], | |
85 | "locale.LC_MESSAGES", &variables[VARIABLE_LC_MESSAGES], | |
86 | "locale.LC_PAPER", &variables[VARIABLE_LC_PAPER], | |
87 | "locale.LC_NAME", &variables[VARIABLE_LC_NAME], | |
88 | "locale.LC_ADDRESS", &variables[VARIABLE_LC_ADDRESS], | |
89 | "locale.LC_TELEPHONE", &variables[VARIABLE_LC_TELEPHONE], | |
90 | "locale.LC_MEASUREMENT", &variables[VARIABLE_LC_MEASUREMENT], | |
91 | "locale.LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION], | |
92 | NULL); | |
93 | ||
94 | if (r < 0 && r != -ENOENT) | |
95 | log_warning("Failed to read /proc/cmdline: %s", strerror(-r)); | |
96 | } | |
ce8a6aa1 LP |
97 | |
98 | /* Hmm, nothing set on the kernel cmd line? Then let's | |
fd5bf055 | 99 | * try /etc/locale.conf */ |
39d99a07 LP |
100 | if (r <= 0) { |
101 | r = parse_env_file("/etc/locale.conf", NEWLINE, | |
102 | "LANG", &variables[VARIABLE_LANG], | |
103 | "LANGUAGE", &variables[VARIABLE_LANGUAGE], | |
104 | "LC_CTYPE", &variables[VARIABLE_LC_CTYPE], | |
105 | "LC_NUMERIC", &variables[VARIABLE_LC_NUMERIC], | |
106 | "LC_TIME", &variables[VARIABLE_LC_TIME], | |
107 | "LC_COLLATE", &variables[VARIABLE_LC_COLLATE], | |
108 | "LC_MONETARY", &variables[VARIABLE_LC_MONETARY], | |
109 | "LC_MESSAGES", &variables[VARIABLE_LC_MESSAGES], | |
110 | "LC_PAPER", &variables[VARIABLE_LC_PAPER], | |
111 | "LC_NAME", &variables[VARIABLE_LC_NAME], | |
112 | "LC_ADDRESS", &variables[VARIABLE_LC_ADDRESS], | |
113 | "LC_TELEPHONE", &variables[VARIABLE_LC_TELEPHONE], | |
114 | "LC_MEASUREMENT", &variables[VARIABLE_LC_MEASUREMENT], | |
115 | "LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION], | |
116 | NULL); | |
117 | ||
118 | if (r < 0 && r != -ENOENT) | |
fd5bf055 | 119 | log_warning("Failed to read /etc/locale.conf: %s", strerror(-r)); |
ce8a6aa1 LP |
120 | } |
121 | ||
72bca11b | 122 | if (!variables[VARIABLE_LANG]) { |
39d99a07 LP |
123 | variables[VARIABLE_LANG] = strdup("C"); |
124 | if (!variables[VARIABLE_LANG]) { | |
72bca11b LP |
125 | r = -ENOMEM; |
126 | goto finish; | |
127 | } | |
128 | } | |
129 | ||
130 | for (i = 0; i < _VARIABLE_MAX; i++) { | |
8780d48d LP |
131 | if (variables[i]) { |
132 | if (setenv(variable_names[i], variables[i], 1) < 0) { | |
133 | r = -errno; | |
134 | goto finish; | |
135 | } | |
136 | } else | |
137 | unsetenv(variable_names[i]); | |
72bca11b | 138 | } |
8780d48d | 139 | |
72bca11b LP |
140 | r = 0; |
141 | ||
142 | finish: | |
143 | for (i = 0; i < _VARIABLE_MAX; i++) | |
144 | free(variables[i]); | |
145 | ||
146 | return r; | |
147 | } |