1 files changed, 65 insertions, 0 deletions
diff --git a/wcsmbs/tst-mbsrtowcs.c b/wcsmbs/tst-mbsrtowcs.c
new file mode 100644
index 0000000000..eb6c8e21b1
--- /dev/null
+++ b/wcsmbs/tst-mbsrtowcs.c
@@ -0,0 +1,65 @@
+/* Test NUL handling of mbsrtowcs.
+   Copyright (C) 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdio.h>
+#include <string.h>
+#include <wchar.h>
+
+int
+main (void)
+{
+  const unsigned char buf[] = { 'a', 'b', '\0', 'c', 'd', '\0', 'e' };
+  wchar_t out[sizeof (buf)];
+  memset (out, '\xff', sizeof (out));
+
+  mbstate_t state;
+  memset (&state, '\0', sizeof (state));
+
+  const char *in = buf;
+  size_t n = mbsrtowcs (out, &in, sizeof (out) / sizeof (wchar_t), &state);
+
+  int result = 0;
+  if (n != 2)
+    {
+      printf ("n = %zu, expected 2\n", n);
+      result = 1;
+    }
+  if (in != NULL)
+    {
+      printf ("in = %p, expected NULL\n", in);
+      result = 1;
+    }
+  if (out[0] != L'a')
+    {
+      printf ("out[0] = L'%lc', expected L'a'\n", (wint_t) out[0]);
+      result = 1;
+    }
+  if (out[1] != L'b')
+    {
+      printf ("out[1] = L'%lc', expected L'b'\n", (wint_t) out[1]);
+      result = 1;
+    }
+  if (out[2] != L'\0')
+    {
+      printf ("out[2] = L'%lc', expected L'\\0'\n", (wint_t) out[2]);
+      result = 1;
+    }
+  return result;
+}