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Merge pull request #981 from mythodeia/master 

initialise kPNGSignatureData data
This commit is contained in:
Bogdan Poplauschi 2014-12-17 10:52:23 +02:00
parent 6698910fe1 b271cbb371
commit 6b137fb8ba
1 changed files with 3 additions and 1 deletions
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4
SDWebImage/SDImageCache.m
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@ -48,7 +48,6 @@ BOOL ImageDataHasPNGPreffix(NSData *data) {
static id instance;
dispatch_once(&once, ^{
instance = [self new];
kPNGSignatureData = [NSData dataWithBytes:kPNGSignatureBytes length:8];
});
return instance;
}
@ -61,6 +60,9 @@ BOOL ImageDataHasPNGPreffix(NSData *data) {
if ((self = [super init])) {
NSString *fullNamespace = [@"com.hackemist.SDWebImageCache." stringByAppendingString:ns];
// initialise PNG signature data
kPNGSignatureData = [NSData dataWithBytes:kPNGSignatureBytes length:8];
// Create IO serial queue
_ioQueue = dispatch_queue_create("com.hackemist.SDWebImageCache", DISPATCH_QUEUE_SERIAL);