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fix(drag_out): return E_OUTOFMEMORY on GlobalLock failure in HDropDataObject::GetData

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Daniel Harvey
2026-07-26 20:06:55 -04:00
parent 34df2563e4
commit 4f51758ad6
1 changed files with 5 additions and 3 deletions
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src/drag_out_win.cpp
+5 -3
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@@ -138,10 +138,12 @@ public:
HGLOBAL copy = GlobalAlloc(GMEM_MOVEABLE, sz); HGLOBAL copy = GlobalAlloc(GMEM_MOVEABLE, sz);
if (!copy) return E_OUTOFMEMORY; if (!copy) return E_OUTOFMEMORY;
void* src = GlobalLock(hdrop_); void* src = GlobalLock(hdrop_);
if (!src) { GlobalFree(copy); return E_OUTOFMEMORY; }
void* dst = GlobalLock(copy); void* dst = GlobalLock(copy);
if (src && dst) std::memcpy(dst, src, sz); if (!dst) { GlobalUnlock(hdrop_); GlobalFree(copy); return E_OUTOFMEMORY; }
if (src) GlobalUnlock(hdrop_); std::memcpy(dst, src, sz);
if (dst) GlobalUnlock(copy); GlobalUnlock(hdrop_);
GlobalUnlock(copy);
med->tymed = TYMED_HGLOBAL; med->tymed = TYMED_HGLOBAL;
med->hGlobal = copy; med->hGlobal = copy;