Merge pull request SDWebImage#606 from akhenakh/64bits_support

use a NSInteger as size (was NSUInteger, was long long) cause we are using -1 (NSURLResponseUnknownLength) in progress callback

Author: Olivier Poitrey

SDWebImage/SDWebImageDownloader.h

@@ -57,7 +57,7 @@ typedef enum
 extern NSString *const SDWebImageDownloadStartNotification;
 extern NSString *const SDWebImageDownloadStopNotification;
 
-typedef void(^SDWebImageDownloaderProgressBlock)(NSUInteger receivedSize, NSUInteger expectedSize);
+typedef void(^SDWebImageDownloaderProgressBlock)(NSInteger receivedSize, NSInteger expectedSize);
 typedef void(^SDWebImageDownloaderCompletedBlock)(UIImage *image, NSData *data, NSError *error, BOOL finished);
 
 /**

SDWebImage/SDWebImageDownloader.m

@@ -115,7 +115,7 @@ - (NSInteger)maxConcurrentDownloads
     return _downloadQueue.maxConcurrentOperationCount;
 }
 
-- (id<SDWebImageOperation>)downloadImageWithURL:(NSURL *)url options:(SDWebImageDownloaderOptions)options progress:(void (^)(NSUInteger, NSUInteger))progressBlock completed:(void (^)(UIImage *, NSData *, NSError *, BOOL))completedBlock
+- (id<SDWebImageOperation>)downloadImageWithURL:(NSURL *)url options:(SDWebImageDownloaderOptions)options progress:(void (^)(NSInteger, NSInteger))progressBlock completed:(void (^)(UIImage *, NSData *, NSError *, BOOL))completedBlock
 {
     __block SDWebImageDownloaderOperation *operation;
     __weak SDWebImageDownloader *wself = self;
@@ -139,7 +139,7 @@ - (NSInteger)maxConcurrentDownloads
         {
             request.allHTTPHeaderFields = wself.HTTPHeaders;
         }
-        operation = [SDWebImageDownloaderOperation.alloc initWithRequest:request options:options progress:^(NSUInteger receivedSize, NSUInteger expectedSize)
+        operation = [SDWebImageDownloaderOperation.alloc initWithRequest:request options:options progress:^(NSInteger receivedSize, NSInteger expectedSize)
         {
             if (!wself) return;
             SDWebImageDownloader *sself = wself;
@@ -183,7 +183,7 @@ - (NSInteger)maxConcurrentDownloads
     return operation;
 }
 
-- (void)addProgressCallback:(void (^)(NSUInteger, NSUInteger))progressBlock andCompletedBlock:(void (^)(UIImage *, NSData *data, NSError *, BOOL))completedBlock forURL:(NSURL *)url createCallback:(void (^)())createCallback
+- (void)addProgressCallback:(void (^)(NSInteger, NSInteger))progressBlock andCompletedBlock:(void (^)(UIImage *, NSData *data, NSError *, BOOL))completedBlock forURL:(NSURL *)url createCallback:(void (^)())createCallback
 {
     // The URL will be used as the key to the callbacks dictionary so it cannot be nil. If it is nil immediately call the completed block with no image or data.
     if(url == nil)

SDWebImage/SDWebImageDownloaderOperation.m

@@ -19,7 +19,7 @@ @interface SDWebImageDownloaderOperation ()
 
 @property (assign, nonatomic, getter = isExecuting) BOOL executing;
 @property (assign, nonatomic, getter = isFinished) BOOL finished;
-@property (assign, nonatomic) NSUInteger expectedSize;
+@property (assign, nonatomic) NSInteger expectedSize;
 @property (strong, nonatomic) NSMutableData *imageData;
 @property (strong, nonatomic) NSURLConnection *connection;
 @property (strong, atomic) NSThread *thread;
@@ -36,7 +36,7 @@ @implementation SDWebImageDownloaderOperation
     BOOL responseFromCached;
 }
 
-- (id)initWithRequest:(NSURLRequest *)request options:(SDWebImageDownloaderOptions)options progress:(void (^)(NSUInteger, NSUInteger))progressBlock completed:(void (^)(UIImage *, NSData *, NSError *, BOOL))completedBlock cancelled:(void (^)())cancelBlock
+- (id)initWithRequest:(NSURLRequest *)request options:(SDWebImageDownloaderOptions)options progress:(void (^)(NSInteger, NSInteger))progressBlock completed:(void (^)(UIImage *, NSData *, NSError *, BOOL))completedBlock cancelled:(void (^)())cancelBlock
 {
     if ((self = [super init]))
     {
@@ -94,7 +94,7 @@ - (void)start
     {
         if (self.progressBlock)
         {
-            self.progressBlock(0, -1);
+            self.progressBlock(0, NSURLResponseUnknownLength);
         }
         [[NSNotificationCenter defaultCenter] postNotificationName:SDWebImageDownloadStartNotification object:self];
 
@@ -208,7 +208,7 @@ - (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLRespon
 {
     if (![response respondsToSelector:@selector(statusCode)] || [((NSHTTPURLResponse *)response) statusCode] < 400)
     {
-        NSUInteger expected = response.expectedContentLength > 0 ? (NSUInteger)response.expectedContentLength : 0;
+        NSInteger expected = response.expectedContentLength > 0 ? (NSInteger)response.expectedContentLength : 0;
         self.expectedSize = expected;
         if (self.progressBlock)
         {
@@ -242,7 +242,7 @@ - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
         // Thanks to the author @Nyx0uf
 
         // Get the total bytes downloaded
-        const NSUInteger totalSize = self.imageData.length;
+        const NSInteger totalSize = self.imageData.length;
 
         // Update the data source, we must pass ALL the data, not just the new bytes
         CGImageSourceRef imageSource = CGImageSourceCreateIncremental(NULL);