On 1 Nov, 2012, at 15:24 , Mike Abdullah <[email protected]> wrote:
> Well that sounds an impossible problem, but might not be. Give us the crash
> report too.
12/10/2012 12:41:10: -[__NSCFConstantString characterAtIndex:]: Range or index
out of bounds
12/10/2012 12:41:10: (
0 CoreFoundation 0x00007fff9354a0a6
__exceptionPreprocess + 198
1 libobjc.A.dylib 0x00007fff8ba543f0
objc_exception_throw + 43
2 CoreFoundation 0x00007fff93549e7c
+[NSException raise:format:] + 204
3 CoreFoundation 0x00007fff9350e8ee
-[__NSCFString characterAtIndex:] + 94
4 PDF Nomad 0x000000010380b5fe PDF Nomad +
1205758 ( -> -[ANBorderedTextView keyDown:] (in PDF Nomad)
(ANBorderedTextView.m:91) )
5 AppKit 0x00007fff8a9ba120 -[NSWindow
sendEvent:] + 9687
6 AppKit 0x00007fff8a9b5744
-[NSApplication sendEvent:] + 5761
7 AppKit 0x00007fff8a8cb2fa
-[NSApplication run] + 636
8 AppKit 0x00007fff8a86fcb6
NSApplicationMain + 869
9 PDF Nomad 0x00000001036e6f84 PDF Nomad +
8068
)
Unfortunately, I did not receive a full crash report, so I can't show register
contents.
-António
> On 1 Nov 2012, at 12:11, Antonio Nunes <[email protected]> wrote:
>
>> 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
>>
>> -----------------------------------------------------------
>> Don't believe everything you think
>> -----------------------------------------------------------
>>
>>
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