From 4f032d290913d008e06f1ba0cf4e4268711edf28 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Tue, 16 Mar 2021 18:03:21 -0400
Subject: db_lc_messages_get(): New function

---
(limited to 'src/locale.c')

diff --git a/src/locale.c b/src/locale.c
new file mode 100644
index 0000000..c5ef596
--- /dev/null
+++ b/src/locale.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2021  P. J. McDermott
+ *
+ * This file is part of Dodge Balls
+ *
+ * Dodge Balls 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Dodge Balls 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 Dodge Balls.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include "locale.h"
+
+const char *
+db_lc_messages_get(void)
+{
+	static char *lang;
+
+	lang = getenv("LC_ALL");
+	if (lang != NULL && lang[0] != '\0') {
+		return lang;
+	}
+
+	lang = getenv("LC_MESSAGES");
+	if (lang != NULL && lang[0] != '\0') {
+		return lang;
+	}
+
+	lang = getenv("LANG");
+	if (lang != NULL && lang[0] != '\0') {
+		return lang;
+	}
+
+	return (lang = NULL);
+}
--
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