ObjFW  Diff

int _OFString_CryptoHashing_reference;

@implementation OFString (CryptoHashing)
- (OFString *)of_cryptoHashWithClass: (Class <OFCryptoHash>)class
{
	void *pool = objc_autoreleasePoolPush();
	id <OFCryptoHash> hash = [class cryptoHash];
	id <OFCryptoHash> hash = [class
	    cryptoHashWithAllowsSwappableMemory: true];
	size_t digestSize = [class digestSize];
	const unsigned char *digest;
	char cString[digestSize * 2];

	[hash updateWithBuffer: self.UTF8String
			length: self.UTF8StringLength];
	digest = hash.digest;