On Wed, Mar 19, 2008 at 12:10 PM, J. Todd Slack <
[EMAIL PROTECTED]> wrote:

> Hi All,
>
> Continuing my quest to get back into Cocoa/Objective-C, I am getting the
> following error stating that NSString may not respond to certain calls.
>
> Here is a screenshot:
>
> http://jasonslack.biz/pic3.png
>
> Can anyone explain what I am doing wrong because as far as I can see this
> should be valid?


There are many serious problems with that code. Ignoring the warning, I see:

1) That is not the proper way to find the user's documents folder. <
http://developer.apple.com/documentation/Cocoa/Conceptual/LowLevelFileMgmt/Tasks/LocatingDirectories.html#//apple_ref/doc/uid/20001279
>

2) You leak an NSString with the output variable.

3) You can't use a "char*" to store the result from encoding with
NSUnicodeStringEncoding

4) You can't use strlen() with Unicode characters.

5) "%C" is not the correct format specifier for an ASCII character.

6) That is not the correct way to combine paths.

I think you need to stop coding and get some good documents on Unicode and
possibly Cocoa memory management.
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