Le 22 sept. 2011 à 16:37, AM a écrit : > > On Sep 21, 2011, at 6:09 PM, Conrad Shultz wrote: > >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> On 9/21/11 2:22 PM, Charles Srstka wrote: >>> Why not? I find it to be safer than checking for the existence of >>> a method, because you never know if that method might have actually >>> have existed before it went public, but in a less stable form or >>> with different behavior. If this is the case, then just checking >>> whether the method exists and calling it could produce who knows >>> what behavior on older systems. >> >> I have always been under the impression that Apple recommends weak >> linking and run-time checks. It's what's covered in the (aging) Tech >> Note 2064 for OS X and, IIRC, is what is discussed in, for example, >> the original iPad/iOS 3.2 release notes. >> >> What are some examples of breakage happening under this scenario? I'd >> like to be on the lookout myself if I indeed did put too much faith in >> the documentation. > > One relevant case I encountered was a leak in CFFileDescriptor which occurred > on 10.5 but was fixed in 10.6. Under 10.5 (when detected), I had to manually > close a leaked file descriptor. >
For bugs specifics to a framework version, I prefer to use the framework provided constants instead of gestalt. if (kCFCoreFoundationVersionNumber <= kCFCoreFoundationVersionNumber10_6) // close manually. > Cheers, > M_______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/cocoa-dev/devlists%40shadowlab.org > > This email sent to devli...@shadowlab.org -- Jean-Daniel _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
