From: Szabolcs Nagy <nsz@port70.net>
Date: Thu, 22 Jun 2017 23:28:25 +0000 (+0000)
Subject: uselocale(0) regression test
X-Git-Url: http://nsz.repo.hu/git/?p=libc-test;a=commitdiff_plain;h=d891546b2de2436b459fdc95dc0390226bb1ad8b

uselocale(0) regression test
---

diff --git a/src/regression/uselocale-0.c b/src/regression/uselocale-0.c
new file mode 100644
index 0000000..b84e996
--- /dev/null
+++ b/src/regression/uselocale-0.c
@@ -0,0 +1,29 @@
+// commit: 63f4b9f18f3674124d8bcb119739fec85e6da005
+// uselocale(0) should not change the current locale
+#include <locale.h>
+#include "test.h"
+
+int main(void)
+{
+	locale_t c = newlocale(LC_ALL_MASK, "C", 0);
+
+	if (!c) {
+		t_error("newlocale failed\n");
+		return t_status;
+	}
+
+	if (!uselocale(c))
+		t_error("uselocale(c) failed\n");
+
+	locale_t l1 = uselocale(0);
+	if (l1 != c)
+		t_error("uselocale failed to set locale: "
+			"%p != %p\n", (void*)l1, (void*)c);
+
+	locale_t l2 = uselocale(0);
+	if (l2 != l1)
+		t_error("uselocale(0) changed locale: "
+			"%p != %p\n", (void*)l2, (void*)l1);
+
+	return t_status;
+}