CODEWITHSUNDEEP
iphoneautomatic-ref-counting
Qamar Suleiman
Qamar Suleiman

Reputation: 1226

CFDataRef to NSData

I am having trouble converting a CFDataRef into NSData whilst using ARC. I am using the __bridge_transfer OR __bridge cast but it is not working. Could anyone suggest me some other way of casting this two types. I get the following error

Automatic Reference Counting Issue: Incompatible types casting 'CFDataRef *' (aka 'const struct __CFData **') to 'NSData *' with a __bridge cast

Upvotes: 1

Views: 4900

Answers (1)

amattn
amattn

Reputation: 10065

NSData *my_nsdata = (__bridge_transfer NSData*)my_cfdata; // -1 on the my_cfdata

or

NSData *my_nsdata = (__bridge NSData*)my_cfdata; // no adjustment of retain counts.

From my blog post here:

http://amattn.com/2011/12/07/arc_best_practices.html

Upvotes: 6

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