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Commit accb5f8f authored by Will Tipton's avatar Will Tipton Committed by Alexandre Julliard
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comctl32: Added input validation to TOOLTIPS_GetTextW() in order to handle…

comctl32: Added input validation to TOOLTIPS_GetTextW() in order to handle gracefully the case where it is called with an empty tooltip.
parent 497377ec
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dlls/comctl32/tooltips.c
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...@@ -1574,6 +1574,9 @@ TOOLTIPS_GetTextW (HWND hwnd, WPARAM wParam, LPARAM lParam) ...@@ -1574,6 +1574,9 @@ TOOLTIPS_GetTextW (HWND hwnd, WPARAM wParam, LPARAM lParam)
nTool = TOOLTIPS_GetToolFromInfoW (infoPtr, lpToolInfo); nTool = TOOLTIPS_GetToolFromInfoW (infoPtr, lpToolInfo);
if (nTool == -1) return 0; if (nTool == -1) return 0;
if (infoPtr->tools[nTool].lpszText == NULL)
return 0;
strcpyW (lpToolInfo->lpszText, infoPtr->tools[nTool].lpszText); strcpyW (lpToolInfo->lpszText, infoPtr->tools[nTool].lpszText);
return 0; return 0;
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