* string/Makefile (tests): Add tst-strxfrm2.

	* string/tst-strxfrm2.c: New file.

	* string/strxfrm_l.c (STRXFRM): Do the trailing \1 removal
	optimization even if needed > n.

1 files changed, 43 insertions, 0 deletions

diff --git a/string/tst-strxfrm2.c b/string/tst-strxfrm2.c
new file mode 100644
index 0000000000..31fc42cc93
--- /dev/null
+++ b/string/tst-strxfrm2.c
@@ -0,0 +1,43 @@
+#include <locale.h>
+#include <stdio.h>
+#include <string.h>
+
+static int
+do_test (void)
+{
+  int res = 0;
+
+  char buf[10];
+  size_t l1 = strxfrm (NULL, "ab", 0);
+  size_t l2 = strxfrm (buf, "ab", 1);
+  size_t l3 = strxfrm (buf, "ab", sizeof (buf));
+
+  if (l1 != l2 || l1 != l3)
+    {
+      puts ("C locale test failed");
+      res = 1;
+    }
+
+  if (setlocale (LC_ALL, "de_DE.UTF-8") == NULL)
+    {
+      puts ("setlocale failed");
+      res = 1;
+    }
+  else
+    {
+      l1 = strxfrm (NULL, "ab", 0);
+      l2 = strxfrm (buf, "ab", 1);
+      l3 = strxfrm (buf, "ab", sizeof (buf));
+
+      if (l1 != l2 || l1 != l3)
+	{
+	  puts ("UTF-8 locale test failed");
+	  res = 1;
+	}
+    }
+
+  return res;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"