[PATCH v2 1/1] xmllite/writer: Correctly partially duplicate strings

[David Kahurani]

From: David Kahurani

Signed-off-by: David Kahurani 
---
 dlls/xmllite/writer.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/dlls/xmllite/writer.c b/dlls/xmllite/writer.c
index c4f9ed2f440..065716f7e8c 100644
--- a/dlls/xmllite/writer.c
+++ b/dlls/xmllite/writer.c
@@ -250,7 +250,6 @@ static struct element *pop_element(xmlwriter *writer)

static WCHAR *writer_strndupW(const xmlwriter *writer, const WCHAR *str, int len)
 {
-    size_t size;
     WCHAR *ret;

if (!str)
@@ -259,9 +258,12 @@ static WCHAR *writer_strndupW(const xmlwriter *writer, const WCHAR *str, int len
     if (len == -1)
         len = lstrlenW(str);

-    size = (len + 1) * sizeof(WCHAR);
-    ret = writer_alloc(writer, size);
-    if (ret) memcpy(ret, str, size);
+    ret = writer_alloc(writer, (len + 1) * sizeof(WCHAR));
+    if (ret)
+    {
+        memcpy(ret, str, len * sizeof(WCHAR));
+        ret[len] = 0;
+    }

return ret;
 }