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[OPENGLCFG] Fix crash if no drivers (#1919)

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Actually, it crashes here on Windows XP.
This commit is contained in:
Carlo Bramini 2019-09-21 15:58:38 +02:00 committed by Hermès BÉLUSCA - MAÏTO
parent c57d4d7b9e
commit e7b8f27309
1 changed files with 3 additions and 2 deletions
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5
dll/cpl/openglcfg/general.c
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@ -190,13 +190,14 @@ INT_PTR CALLBACK GeneralPageProc(HWND hWndDlg, UINT uMsg, WPARAM wParam, LPARAM
break; break;
case WM_DESTROY: case WM_DESTROY:
{ if (pOglDrivers != NULL)
{
INT iKey; INT iKey;
for (iKey = 0; iKey <= dwNumDrivers; iKey++) for (iKey = 0; iKey <= dwNumDrivers; iKey++)
HeapFree(GetProcessHeap(), 0, pOglDrivers[iKey]); HeapFree(GetProcessHeap(), 0, pOglDrivers[iKey]);
HeapFree(GetProcessHeap(), 0, pOglDrivers); HeapFree(GetProcessHeap(), 0, pOglDrivers);
} }
} }
return FALSE; return FALSE;