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Added sanity checks in the cleanup code.

This commit is contained in:
Francis Beaudet 1999-09-03 12:40:34 +00:00 committed by Alexandre Julliard
parent 5bd551756b
commit 28a082f6d4
1 changed files with 17 additions and 7 deletions
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24
dlls/comctl32/tooltips.c
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@ -785,7 +785,8 @@ TOOLTIPS_DelToolA (HWND hwnd, WPARAM wParam, LPARAM lParam)
/* delete text string */
toolPtr = &infoPtr->tools[nTool];
if ((toolPtr->hinst) && (toolPtr->lpszText)) {
if (toolPtr->lpszText != LPSTR_TEXTCALLBACKW)
if ( (toolPtr->lpszText != LPSTR_TEXTCALLBACKW) &&
(HIWORD((INT)toolPtr->lpszText) != 0) )
COMCTL32_Free (toolPtr->lpszText);
}
@ -871,7 +872,8 @@ TOOLTIPS_DelToolW (HWND hwnd, WPARAM wParam, LPARAM lParam)
/* delete text string */
toolPtr = &infoPtr->tools[nTool];
if ((toolPtr->hinst) && (toolPtr->lpszText)) {
if (toolPtr->lpszText != LPSTR_TEXTCALLBACKW)
if ( (toolPtr->lpszText != LPSTR_TEXTCALLBACKW) &&
(HIWORD((INT)toolPtr->lpszText) != 0) )
COMCTL32_Free (toolPtr->lpszText);
}
@ -1572,7 +1574,8 @@ TOOLTIPS_SetToolInfoA (HWND hwnd, WPARAM wParam, LPARAM lParam)
if (lpToolInfo->lpszText == LPSTR_TEXTCALLBACKA)
toolPtr->lpszText = LPSTR_TEXTCALLBACKW;
else {
if (toolPtr->lpszText) {
if ( (toolPtr->lpszText) &&
(HIWORD((INT)toolPtr->lpszText) != 0) ) {
COMCTL32_Free (toolPtr->lpszText);
toolPtr->lpszText = NULL;
}
@ -1626,7 +1629,8 @@ TOOLTIPS_SetToolInfoW (HWND hwnd, WPARAM wParam, LPARAM lParam)
if (lpToolInfo->lpszText == LPSTR_TEXTCALLBACKW)
toolPtr->lpszText = LPSTR_TEXTCALLBACKW;
else {
if (toolPtr->lpszText) {
if ( (toolPtr->lpszText) &&
(HIWORD((INT)toolPtr->lpszText) != 0) ) {
COMCTL32_Free (toolPtr->lpszText);
toolPtr->lpszText = NULL;
}
@ -1740,7 +1744,8 @@ TOOLTIPS_UpdateTipTextA (HWND hwnd, WPARAM wParam, LPARAM lParam)
if (lpToolInfo->lpszText == LPSTR_TEXTCALLBACKA)
toolPtr->lpszText = LPSTR_TEXTCALLBACKW;
else {
if (toolPtr->lpszText) {
if ( (toolPtr->lpszText) &&
(HIWORD((INT)toolPtr->lpszText) != 0) ) {
COMCTL32_Free (toolPtr->lpszText);
toolPtr->lpszText = NULL;
}
@ -1793,7 +1798,8 @@ TOOLTIPS_UpdateTipTextW (HWND hwnd, WPARAM wParam, LPARAM lParam)
if (lpToolInfo->lpszText == LPSTR_TEXTCALLBACKW)
toolPtr->lpszText = LPSTR_TEXTCALLBACKW;
else {
if (toolPtr->lpszText) {
if ( (toolPtr->lpszText) &&
(HIWORD((INT)toolPtr->lpszText) != 0) ) {
COMCTL32_Free (toolPtr->lpszText);
toolPtr->lpszText = NULL;
}
@ -1887,8 +1893,12 @@ TOOLTIPS_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
for (i = 0; i < infoPtr->uNumTools; i++) {
toolPtr = &infoPtr->tools[i];
if ((toolPtr->hinst) && (toolPtr->lpszText)) {
if (toolPtr->lpszText != LPSTR_TEXTCALLBACKW)
if ( (toolPtr->lpszText != LPSTR_TEXTCALLBACKW) &&
(HIWORD((INT)toolPtr->lpszText) != 0) )
{
COMCTL32_Free (toolPtr->lpszText);
toolPtr->lpszText = NULL;
}
}
/* remove subclassing */