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- Fixed bug that could cause SIGSEGV by accessing beyond the end of text in

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a WINGs textfield widget.
This commit is contained in:
dan
2003-03-20 13:11:13 +00:00
parent 18ed046356
commit 5f79f1bcde
3 changed files with 8 additions and 2 deletions
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6
WINGs/wtextfield.c
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@@ -1335,12 +1335,13 @@ pointToCursorPosition(TextField *tPtr, int x)
if (tPtr->flags.bordered)
x -= 2;
a = tPtr->viewPosition;
b = tPtr->viewPosition + tPtr->textLen;
if (WMWidthOfString(tPtr->font, &(tPtr->text[tPtr->viewPosition]),
tPtr->textLen - tPtr->viewPosition) < x)
return tPtr->textLen;
a = tPtr->viewPosition;
b = tPtr->textLen;
while (a < b && b-a>1) {
mid = (a+b)/2;
tw = WMWidthOfString(tPtr->font, &(tPtr->text[tPtr->viewPosition]),
@@ -1352,6 +1353,7 @@ pointToCursorPosition(TextField *tPtr, int x)
else
return mid;
}
return (a+b)/2;
}