locale-setup.c revision 5430f7f2bc7330f3088b894166bf3524a067e3d8
/*-*- 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 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.
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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser 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"
#include "virt.h"
enum {
/* We don't list LC_ALL here on purpose. People should be
* using LANG instead. */
VARIABLE_LANG,
VARIABLE_LANGUAGE,
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_LANGUAGE] = "LANGUAGE",
[VARIABLE_LC_CTYPE] = "LC_CTYPE",
[VARIABLE_LC_NUMERIC] = "LC_NUMERIC",
[VARIABLE_LC_TIME] = "LC_TIME",
[VARIABLE_LC_COLLATE] = "LC_COLLATE",
[VARIABLE_LC_MONETARY] = "LC_MONETARY",
[VARIABLE_LC_MESSAGES] = "LC_MESSAGES",
[VARIABLE_LC_PAPER] = "LC_PAPER",
[VARIABLE_LC_NAME] = "LC_NAME",
[VARIABLE_LC_ADDRESS] = "LC_ADDRESS",
[VARIABLE_LC_TELEPHONE] = "LC_TELEPHONE",
[VARIABLE_LC_MEASUREMENT] = "LC_MEASUREMENT",
[VARIABLE_LC_IDENTIFICATION] = "LC_IDENTIFICATION"
};
int locale_setup(void) {
char *variables[_VARIABLE_MAX];
int r = 0, i;
zero(variables);
if (detect_container(NULL) <= 0)
if ((r = parse_env_file("/proc/cmdline", WHITESPACE,
#if defined(TARGET_FEDORA) || defined(TARGET_MEEGO)
"LANG", &variables[VARIABLE_LANG],
#endif
"locale.LANG", &variables[VARIABLE_LANG],
"locale.LANGUAGE", &variables[VARIABLE_LANGUAGE],
"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));
}
/* Hmm, nothing set on the kernel cmd line? Then let's
* try /etc/locale.conf */
if (r <= 0 &&
(r = parse_env_file("/etc/locale.conf", NEWLINE,
"LANG", &variables[VARIABLE_LANG],
"LANGUAGE", &variables[VARIABLE_LANGUAGE],
"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.conf: %s", strerror(-r));
}
#if defined(TARGET_FEDORA) || defined(TARGET_ALTLINUX) || defined(TARGET_MEEGO)
if (r <= 0 &&
(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_SUSE)
if (r <= 0 &&
(r = parse_env_file("/etc/sysconfig/language", NEWLINE,
"RC_LANG", &variables[VARIABLE_LANG],
NULL)) < 0) {
if (r != -ENOENT)
log_warning("Failed to read /etc/sysconfig/language: %s", strerror(-r));
}
#elif defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
if (r <= 0 &&
(r = parse_env_file("/etc/default/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/default/locale: %s", strerror(-r));
}
#elif defined(TARGET_ARCH)
if (r <= 0 &&
(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 <= 0 &&
(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));
}
#elif defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA )
if (r <= 0 &&
(r = parse_env_file("/etc/sysconfig/i18n", 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/sysconfig/i18n: %s", strerror(-r));
}
#endif
if (!variables[VARIABLE_LANG]) {
if (!(variables[VARIABLE_LANG] = strdup("C"))) {
r = -ENOMEM;
goto finish;
}
}
for (i = 0; i < _VARIABLE_MAX; i++) {
if (variables[i]) {
if (setenv(variable_names[i], variables[i], 1) < 0) {
r = -errno;
goto finish;
}
} else
unsetenv(variable_names[i]);
}
r = 0;
finish:
for (i = 0; i < _VARIABLE_MAX; i++)
free(variables[i]);
return r;
}