To get the size of the dispatch data you can call dispatch_data_get_size(dispatch_data_t) on it which would let you create an NSData object.
https://developer.apple.com/documentation/dispatch/1452977-dispatch_data_get_size?language=objc -Ryan On Tue, Oct 30, 2018 at 7:26 PM Carl Hoefs <newsli...@autonomy.caltech.edu> wrote: > Is it possible to create an NSData object from a dispatch_data_t? > > I'm interfacing to a 3rd party library that returns only a dispatch_data_t > object. Once upon a time you could simply cast that to (NSData *) and work > with it that way, but Xcode now flags it as an error: > > dispatch_data_t data_t = BGRequestSidebandDL(channel); > NSData *nsdata = data_t; <<< > > >>> Incompatible pointer types initializing 'NSData *' with an > expression > of type 'dispatch_data_t' (aka 'NSObject<OS_dispatch_data> *') > > Nor can I do this: > NSData *nsdata = [[NSData alloc] initWithBytes:data_t length:size]; > because I don't know the size of the dispatch_data_t returned to me. > > Thx, > -Carl > > _______________________________________________ > > 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: > > https://lists.apple.com/mailman/options/cocoa-dev/conceptuallyflawed%40gmail.com > > This email sent to conceptuallyfla...@gmail.com > _______________________________________________ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
