winhttp: Avoid a null pointer dereference (clang).

e950e898 · Hans Leidekker · Alexandre Julliard · 485fde81 · e950e898
Commit e950e898 authored Dec 09, 2011 by Hans Leidekker Committed by Alexandre Julliard Dec 09, 2011
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session.c dlls/winhttp/session.c +1 -1

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--- a/dlls/winhttp/session.c
+++ b/dlls/winhttp/session.c
@@ -565,7 +565,7 @@ static void str_to_buffer( WCHAR *buffer, const WCHAR *str, LPDWORD buflen )
    if (str) len = strlenW( str );
    if (buffer && *buflen > len)
    {
-        memcpy( buffer, str, len * sizeof(WCHAR) );
+        if (str) memcpy( buffer, str, len * sizeof(WCHAR) );
        buffer[len] = 0;
    }
    *buflen = len * sizeof(WCHAR);