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comctl32: Added input validation to TOOLTIPS_GetTextW() in order to handle gracefully the case where it is called with an empty tooltip.

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Will Tipton 2008-08-11 10:23:45 -04:00 committed by Alexandre Julliard
parent 497377ec39
commit accb5f8faf
1 changed files with 3 additions and 0 deletions
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3
dlls/comctl32/tooltips.c
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@ -1574,6 +1574,9 @@ TOOLTIPS_GetTextW (HWND hwnd, WPARAM wParam, LPARAM lParam)
nTool = TOOLTIPS_GetToolFromInfoW (infoPtr, lpToolInfo);
if (nTool == -1) return 0;
if (infoPtr->tools[nTool].lpszText == NULL)
return 0;
strcpyW (lpToolInfo->lpszText, infoPtr->tools[nTool].lpszText);
return 0;