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+/* -*- Mode: C; coding: utf-8; indent-tabs-mode: nil; tab-width: 2 -*-
+
+A dialog for setting time and date preferences.
+
+Copyright 2010 Canonical Ltd.
+
+Authors:
+ Michael Terry <michael.terry@canonical.com>
+
+This program is free software: you can redistribute it and/or modify it
+under the terms of the GNU General Public License version 3, as published
+by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranties of
+MERCHANTABILITY, SATISFACTORY QUALITY, 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 this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <locale.h>
+#include <langinfo.h>
+#include <string.h>
+#include "utils.h"
+
+/* Check the system locale setting to see if the format is 24-hour
+ time or 12-hour time */
+gboolean
+is_locale_12h (void)
+{
+ static const char *formats_24h[] = {"%H", "%R", "%T", "%OH", "%k", NULL};
+ const char *t_fmt = nl_langinfo (T_FMT);
+ int i;
+
+ for (i = 0; formats_24h[i]; ++i) {
+ if (strstr (t_fmt, formats_24h[i])) {
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}
+