locale: initialize locale from /etc/locale by default

1 files changed, 153 insertions, 0 deletions

diff --git a/src/locale-setup.c b/src/locale-setup.c
new file mode 100644
index 0000000000..923be045e1
--- /dev/null
+++ b/src/locale-setup.c
@@ -0,0 +1,153 @@
+/*-*- 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 {
+        VARIABLE_LANG,
+        VARIABLE_LC_CTYPE,
+        VARIABLE_LC_NUMERIC,
+        VARIABLE_LC_TIME,
+        VARIABLE_LC_COLLATE,
+        VARIABLE_LC_MONETARY,
+        VARIABLE_LC_MESSAGES,
+        VARIABLE_LC_ALL,
+        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_ALL] = "ALL",
+        [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));
+        }
+#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_ALL",            &variables[VARIABLE_LC_ALL],
+                                "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_ALL",            &variables[VARIABLE_LC_ALL],
+                                "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;
+}