user32: Add argument check for PTITLEBARINFO in GetTitleBarInfo().

a679b4e3 · Rico Schüller · Alexandre Julliard · 9aee8fd5 · a679b4e3
Commit a679b4e3 authored Nov 12, 2009 by Rico Schüller Committed by Alexandre Julliard Nov 13, 2009
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nonclient.c dlls/user32/nonclient.c +5 -0

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--- a/dlls/user32/nonclient.c
+++ b/dlls/user32/nonclient.c
@@ -1630,6 +1630,11 @@ BOOL WINAPI GetTitleBarInfo(HWND hwnd, PTITLEBARINFO tbi) {

    TRACE("(%p %p)\n", hwnd, tbi);

+    if(!tbi) {
+        SetLastError(ERROR_NOACCESS);
+        return FALSE;
+    }
+
    if(tbi->cbSize != sizeof(TITLEBARINFO)) {
        TRACE("Invalid TITLEBARINFO size: %d\n", tbi->cbSize);
        SetLastError(ERROR_INVALID_PARAMETER);