[PATCH v2 6/6] xmllite/writer: Handle empty names in WriteStartElement().

[Nikolay Sivov]

From: Nikolay Sivov

---
 dlls/xmllite/tests/writer.c | 3 +++
 dlls/xmllite/writer.c       | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/dlls/xmllite/tests/writer.c b/dlls/xmllite/tests/writer.c
index d3263c6911d..92aa90d3984 100644
--- a/dlls/xmllite/tests/writer.c
+++ b/dlls/xmllite/tests/writer.c
@@ -1003,6 +1003,9 @@ static void test_WriteStartElement(void)
     hr = IXmlWriter_WriteStartElement(writer, NULL, NULL, NULL);
     ok(hr == E_INVALIDARG, "Unexpected hr %#lx.\n", hr);

+    hr = IXmlWriter_WriteStartElement(writer, NULL, L"", NULL);
+    ok(hr == E_INVALIDARG, "Unexpected hr %#lx.\n", hr);
+
     hr = IXmlWriter_WriteProcessingInstruction(writer, L"a", L"a");
     ok(hr == WR_E_INVALIDACTION, "Unexpected hr %#lx.\n", hr);

diff --git a/dlls/xmllite/writer.c b/dlls/xmllite/writer.c
index 3926f917f9f..c7dcafda875 100644
--- a/dlls/xmllite/writer.c
+++ b/dlls/xmllite/writer.c
@@ -2018,7 +2018,7 @@ static HRESULT WINAPI xmlwriter_WriteStartElement(IXmlWriter *iface, LPCWSTR pre

TRACE("%p, %s, %s, %s.\n", iface, wine_dbgstr_w(prefix), wine_dbgstr_w(local_name), wine_dbgstr_w(uri));

-    if (!local_name)
+    if (is_empty_string(local_name))
         return E_INVALIDARG;

switch (writer->state)