1 files changed, 92 insertions, 0 deletions
diff --git a/REORG.TODO/libio/tst_swprintf.c b/REORG.TODO/libio/tst_swprintf.c
new file mode 100644
index 0000000000..e4bd7f022a
--- /dev/null
+++ b/REORG.TODO/libio/tst_swprintf.c
@@ -0,0 +1,92 @@
+#include <stdio.h>
+#include <wchar.h>
+#include <sys/types.h>
+
+
+static wchar_t buf[100];
+#define nbuf (sizeof (buf) / sizeof (buf[0]))
+static const struct
+{
+  size_t n;
+  const char *str;
+  ssize_t exp;
+} tests[] =
+  {
+    { nbuf, "hello world", 11 },
+    { 0, "hello world", -1 },
+    { 0, "", -1 },
+    { nbuf, "", 0 }
+  };
+
+int
+main (int argc, char *argv[])
+{
+  size_t n;
+  int result = 0;
+
+  puts ("test 1");
+  n = swprintf (buf, nbuf, L"Hello %s", "world");
+  if (n != 11)
+    {
+      printf ("incorrect return value: %zd instead of 11\n", n);
+      result = 1;
+    }
+  else if (wcscmp (buf, L"Hello world") != 0)
+    {
+      printf ("incorrect string: L\"%ls\" instead of L\"Hello world\"\n", buf);
+      result = 1;
+    }
+
+  puts ("test 2");
+  n = swprintf (buf, nbuf, L"Is this >%g< 3.1?", 3.1);
+  if (n != 18)
+    {
+      printf ("incorrect return value: %zd instead of 18\n", n);
+      result = 1;
+    }
+  else if (wcscmp (buf, L"Is this >3.1< 3.1?") != 0)
+    {
+      printf ("incorrect string: L\"%ls\" instead of L\"Is this >3.1< 3.1?\"\n",
+	      buf);
+      result = 1;
+    }
+
+  for (n = 0; n < sizeof (tests) / sizeof (tests[0]); ++n)
+    {
+      ssize_t res = swprintf (buf, tests[n].n, L"%s", tests[n].str);
+
+      if (tests[n].exp < 0 && res >= 0)
+	{
+	  printf ("swprintf (buf, %Zu, L\"%%s\", \"%s\") expected to fail\n",
+		  tests[n].n, tests[n].str);
+	  result = 1;
+	}
+      else if (tests[n].exp >= 0 && tests[n].exp != res)
+	{
+	  printf ("swprintf (buf, %Zu, L\"%%s\", \"%s\") expected to return %Zd, but got %Zd\n",
+		  tests[n].n, tests[n].str, tests[n].exp, res);
+	  result = 1;
+	}
+      else
+	printf ("swprintf (buf, %Zu, L\"%%s\", \"%s\") OK\n",
+		tests[n].n, tests[n].str);
+    }
+
+  if (swprintf (buf, nbuf, L"%.0s", "foo") != 0
+      || wcslen (buf) != 0)
+    {
+      printf ("swprintf (buf, %Zu, L\"%%.0s\", \"foo\") create some output\n",
+	      nbuf);
+      result = 1;
+    }
+
+  if (swprintf (buf, nbuf, L"%.0ls", L"foo") != 0
+      || wcslen (buf) != 0)
+    {
+      printf ("swprintf (buf, %Zu, L\"%%.0ls\", L\"foo\") create some output\n",
+	      nbuf);
+      result = 1;
+    }
+
+  return result;
+}