Added workaround for problem with type conversion on 2.2.1 for apps with a base sdk >= 3.0

Fiddle with header organisation / comments

@@ -416,6 +416,11 @@ extern unsigned long const ASIWWANBandwidthThrottleAmount;
 - (void)attemptToApplyCredentialsAndResume;
 - (void)attemptToApplyProxyCredentialsAndResume;
 
+// Attempt to show the built-in authentication dialog, returns YES if credentials were supplied, NO if user cancelled dialog / dialog is disabled / running on main thread
+// Currently only used on iPhone OS
+- (BOOL)showProxyAuthenticationDialog;
+- (BOOL)showAuthenticationDialog;
+
 #pragma mark stream status handlers
 
 // CFnetwork event handlers
@@ -533,12 +538,12 @@ extern unsigned long const ASIWWANBandwidthThrottleAmount;
 + (void)reachabilityChanged:(NSNotification *)note;
 #endif
 
-
-- (BOOL)showProxyAuthenticationDialog;
-- (BOOL)showAuthenticationDialog;
-
+// Returns the maximum amount of data we can read as part of the current measurement period, and sleeps this thread if our allowance is used up
 + (unsigned long)maxUploadReadLength;
 
+// Determines whether we're on iPhone OS 2.0 at runtime, currently used to determine whether we should apply a workaround for an issue with converting longs to doubles on iPhone OS 2
++ (BOOL)isiPhoneOS2;
+
 @property (retain) NSString *username;
 @property (retain) NSString *password;
 @property (retain) NSString *domain;

@@ -95,6 +95,8 @@ static NSRecursiveLock *delegateAuthenticationLock = nil;
 
 static NSOperationQueue *sharedRequestQueue = nil;
 
+static BOOL isiPhoneOS2;
+
 // Private stuff
 @interface ASIHTTPRequest ()
 
@@ -157,6 +159,12 @@ static NSOperationQueue *sharedRequestQueue = nil;
 		ASIRequestCancelledError = [[NSError errorWithDomain:NetworkRequestErrorDomain code:ASIRequestCancelledErrorType userInfo:[NSDictionary dictionaryWithObjectsAndKeys:@"The request was cancelled",NSLocalizedDescriptionKey,nil]] retain];
 		ASIUnableToCreateRequestError = [[NSError errorWithDomain:NetworkRequestErrorDomain code:ASIUnableToCreateRequestErrorType userInfo:[NSDictionary dictionaryWithObjectsAndKeys:@"Unable to create request (bad url?)",NSLocalizedDescriptionKey,nil]] retain];
 		ASITooMuchRedirectionError = [[NSError errorWithDomain:NetworkRequestErrorDomain code:ASITooMuchRedirectionErrorType userInfo:[NSDictionary dictionaryWithObjectsAndKeys:@"The request failed because it redirected too many times",NSLocalizedDescriptionKey,nil]] retain];	
+
+#if TARGET_OS_IPHONE
+		isiPhoneOS2 = ((floorf([[[UIDevice currentDevice] systemVersion] floatValue]) == 2.0) ? YES : NO);
+#else
+		isiPhoneOS2 = NO;
+#endif
 	}
 	[super initialize];
 }
@@ -698,7 +706,13 @@ static NSOperationQueue *sharedRequestQueue = nil;
 	if (shouldResetProgressIndicators) {
 		double amount = 1;
 		if (showAccurateProgress) {
-			amount = postLength;
+			
+			//Workaround for an issue with converting a long to a double on iPhone OS 2.2.1 with a base SDK >= 3.0
+			if ([ASIHTTPRequest isiPhoneOS2]) {
+				amount = [[NSNumber numberWithUnsignedLongLong:postLength] doubleValue]; 
+			} else {
+				amount = (double)postLength;
+			}
 		}
 		[self resetUploadProgress:amount];
 	}	
@@ -983,7 +997,16 @@ static NSOperationQueue *sharedRequestQueue = nil;
 
 	// Update this request's own upload progress delegate
 	if (uploadProgressDelegate) {
-		[ASIHTTPRequest setProgress:(double)(1.0*(totalBytesSent-uploadBufferSize)/(postLength-uploadBufferSize)) forProgressIndicator:uploadProgressDelegate];
+		
+		double progress;
+		//Workaround for an issue with converting a long to a double on iPhone OS 2.2.1 with a base SDK >= 3.0
+		if ([ASIHTTPRequest isiPhoneOS2]) {
+			progress = [[NSNumber numberWithUnsignedLongLong:(totalBytesSent-uploadBufferSize)/(postLength-uploadBufferSize)] doubleValue]; 
+		} else {
+			progress = (double)(1.0*(totalBytesSent-uploadBufferSize)/(postLength-uploadBufferSize));
+		}
+		
+		[ASIHTTPRequest setProgress:progress forProgressIndicator:uploadProgressDelegate];
 		
 	}
 
@@ -1047,7 +1070,15 @@ static NSOperationQueue *sharedRequestQueue = nil;
 		}
 			
 		if (downloadProgressDelegate && contentLength > 0)  {
-			[ASIHTTPRequest setProgress:(double)(1.0*bytesReadSoFar/(contentLength+partialDownloadSize)) forProgressIndicator:downloadProgressDelegate];
+			double progress;
+			//Workaround for an issue with converting a long to a double on iPhone OS 2.2.1 with a base SDK >= 3.0
+			if ([ASIHTTPRequest isiPhoneOS2]) {
+				progress = [[NSNumber numberWithUnsignedLongLong:bytesReadSoFar/(contentLength+partialDownloadSize)] doubleValue]; 
+			} else {
+				progress = (double)(1.0*bytesReadSoFar/(contentLength+partialDownloadSize));
+			}
+			
+			[ASIHTTPRequest setProgress:progress forProgressIndicator:downloadProgressDelegate];
 		}
 		
 		[self setLastBytesRead:bytesReadSoFar];
@@ -2862,6 +2893,11 @@ static NSOperationQueue *sharedRequestQueue = nil;
 	return toRead;
 }
 
++ (BOOL)isiPhoneOS2
+{
+	return isiPhoneOS2;
+}
+
 
 @synthesize username;
 @synthesize password;

@@ -231,6 +231,7 @@
 	}
 	[self setUploadProgressBytes:[self uploadProgressBytes] - bytes];
 	
+	
 	double progress = ([self uploadProgressBytes]*1.0)/([self uploadProgressTotalBytes]*1.0);
 	[ASIHTTPRequest setProgress:progress forProgressIndicator:[self uploadProgressDelegate]];
 }
@@ -243,7 +244,13 @@
 	}
 	[self setUploadProgressBytes:[self uploadProgressBytes] + bytes];
 	
-	double progress = ([self uploadProgressBytes]*1.0)/([self uploadProgressTotalBytes]*1.0);
+	double progress;
+	//Workaround for an issue with converting a long to a double on iPhone OS 2.2.1 with a base SDK >= 3.0
+	if ([ASIHTTPRequest isiPhoneOS2]) {
+		progress = [[NSNumber numberWithUnsignedLongLong:[self uploadProgressBytes]] doubleValue]/[[NSNumber numberWithUnsignedLongLong:[self uploadProgressTotalBytes]] doubleValue]; 
+	} else {
+		progress = ([self uploadProgressBytes]*1.0)/([self uploadProgressTotalBytes]*1.0);
+	}
 	[ASIHTTPRequest setProgress:progress forProgressIndicator:[self uploadProgressDelegate]];
 
 }
@@ -263,7 +270,14 @@
 		return;
 	}
 	[self setDownloadProgressBytes:[self downloadProgressBytes] + bytes];
-	double progress = ([self downloadProgressBytes]*1.0)/([self downloadProgressTotalBytes]*1.0);
+	
+	double progress;
+	//Workaround for an issue with converting a long to a double on iPhone OS 2.2.1 with a base SDK >= 3.0
+	if ([ASIHTTPRequest isiPhoneOS2]) {
+		progress = [[NSNumber numberWithUnsignedLongLong:[self downloadProgressBytes]] doubleValue]/[[NSNumber numberWithUnsignedLongLong:[self downloadProgressTotalBytes]] doubleValue]; 
+	} else {
+		progress = ([self downloadProgressBytes]*1.0)/([self downloadProgressTotalBytes]*1.0);
+	}
 	[ASIHTTPRequest setProgress:progress forProgressIndicator:[self downloadProgressDelegate]];
 }