David Kahurani : xmllite/writer: Handle possible memory allocation failures.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 098f3c892e3acb63fac7130afce80afd3e7925ba
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=098f3c892e3acb63fac7130afce80afd3e7925ba

Author: David Kahurani <k.kahurani at gmail.com>
Date:   Mon Jun 20 12:49:46 2022 +0300

xmllite/writer: Handle possible memory allocation failures.

Signed-off-by: David Kahurani <k.kahurani at gmail.com>

---

 dlls/xmllite/writer.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/dlls/xmllite/writer.c b/dlls/xmllite/writer.c
index 58d9edea059..3f5b3527f23 100644
--- a/dlls/xmllite/writer.c
+++ b/dlls/xmllite/writer.c
@@ -180,6 +180,13 @@ static struct element *alloc_element(xmlwriter *writer, const WCHAR *prefix, con
     len += lstrlenW(local);
 
     ret->qname = writer_alloc(writer, (len + 1)*sizeof(WCHAR));
+
+    if (!ret->qname)
+    {
+        writer_free(writer, ret);
+        return NULL;
+    }
+
     ret->len = len;
     if (prefix)
     {
@@ -249,7 +256,8 @@ static WCHAR *writer_strndupW(const xmlwriter *writer, const WCHAR *str, int len
 
     size = (len + 1) * sizeof(WCHAR);
     ret = writer_alloc(writer, size);
-    memcpy(ret, str, size);
+    if (ret) memcpy(ret, str, size);
+
     return ret;
 }