Hi,
I have this code in my app:
- (void)keyDown:(NSEvent *)theEvent
{
unichar oneChar;
NSString *theChars = [theEvent charactersIgnoringModifiers];
if ( 0 == theChars.length ) {
return;
}
oneChar = [theChars characterAtIndex:0];
…
}
After about 10 months of the app being available, with this method unchanged, I
received a single crash report that points to a crash on the last line:
-[__NSCFConstantString characterAtIndex:]: Range or index out of bounds
The length property of a string returns an NSUInteger, so it should never be
lower than zero. I don't see how the out of bounds error could ever happen for
index 0, when the string has a length greater than 0. Any ideas? (Considering
that I only ever received a single report for what is an often exercised bit of
code, should I just consider this a freak incident and ignore it?)
-António
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Don't believe everything you think
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