SFHFKeychainUtils Analyzer Fix

--- a/Classes/SFHFKeychainUtils.h
+++ b/Classes/SFHFKeychainUtils.h
@@ -35,7 +35,7 @@
 }
 
 + (NSString *) getPasswordForUsername: (NSString *) username andServiceName: (NSString *) serviceName error: (NSError **) error;
-+ (void) storeUsername: (NSString *) username andPassword: (NSString *) password forServiceName: (NSString *) serviceName updateExisting: (BOOL) updateExisting error: (NSError **) error;
-+ (void) deleteItemForUsername: (NSString *) username andServiceName: (NSString *) serviceName error: (NSError **) error;
++ (BOOL) storeUsername: (NSString *) username andPassword: (NSString *) password forServiceName: (NSString *) serviceName updateExisting: (BOOL) updateExisting error: (NSError **) error;
++ (BOOL) deleteItemForUsername: (NSString *) username andServiceName: (NSString *) serviceName error: (NSError **) error;
 
 @end
\ No newline at end of file

--- a/Classes/SFHFKeychainUtils.m
+++ b/Classes/SFHFKeychainUtils.m
@@ -286,19 +286,23 @@
 	return [password autorelease];
 }
 
-+ (void) storeUsername: (NSString *) username andPassword: (NSString *) password forServiceName: (NSString *) serviceName updateExisting: (BOOL) updateExisting error: (NSError **) error {		
-	if (!username || !password || !serviceName) {
-		if (error != nil) {
++ (BOOL) storeUsername: (NSString *) username andPassword: (NSString *) password forServiceName: (NSString *) serviceName updateExisting: (BOOL) updateExisting error: (NSError **) error 
+{		
+	if (!username || !password || !serviceName) 
+  {
+		if (error != nil) 
+    {
 			*error = [NSError errorWithDomain: SFHFKeychainUtilsErrorDomain code: -2000 userInfo: nil];
 		}
-		return;
+		return NO;
 	}
 	
 	// See if we already have a password entered for these credentials.
 	NSError *getError = nil;
 	NSString *existingPassword = [SFHFKeychainUtils getPasswordForUsername: username andServiceName: serviceName error:&getError];
   
-	if ([getError code] == -1999) {
+	if ([getError code] == -1999) 
+  {
 		// There is an existing entry without a password properly stored (possibly as a result of the previous incorrect version of this code.
 		// Delete the existing item before moving on entering a correct one.
     
@@ -306,31 +310,38 @@
 		
 		[self deleteItemForUsername: username andServiceName: serviceName error: &getError];
     
-		if ([getError code] != noErr) {
-			if (error != nil) {
+		if ([getError code] != noErr) 
+    {
+			if (error != nil) 
+      {
 				*error = getError;
 			}
-			return;
+			return NO;
 		}
 	}
-	else if ([getError code] != noErr) {
-		if (error != nil) {
+	else if ([getError code] != noErr) 
+  {
+		if (error != nil) 
+    {
 			*error = getError;
 		}
-		return;
+		return NO;
 	}
 	
-	if (error != nil) {
+	if (error != nil) 
+  {
 		*error = nil;
 	}
 	
 	OSStatus status = noErr;
   
-	if (existingPassword) {
+	if (existingPassword) 
+  {
 		// We have an existing, properly entered item with a password.
 		// Update the existing item.
 		
-		if (![existingPassword isEqualToString:password] && updateExisting) {
+		if (![existingPassword isEqualToString:password] && updateExisting) 
+    {
 			//Only update if we're allowed to update existing.  If not, simply do nothing.
 			
 			NSArray *keys = [[[NSArray alloc] initWithObjects: (NSString *) kSecClass, 
@@ -350,7 +361,8 @@
 			status = SecItemUpdate((CFDictionaryRef) query, (CFDictionaryRef) [NSDictionary dictionaryWithObject: [password dataUsingEncoding: NSUTF8StringEncoding] forKey: (NSString *) kSecValueData]);
 		}
 	}
-	else {
+	else 
+  {
 		// No existing entry (or an existing, improperly entered, and therefore now
 		// deleted, entry).  Create a new entry.
 		
@@ -373,21 +385,30 @@
 		status = SecItemAdd((CFDictionaryRef) query, NULL);
 	}
 	
-	if (error != nil && status != noErr) {
+	if (error != nil && status != noErr) 
+  {
 		// Something went wrong with adding the new item. Return the Keychain error code.
 		*error = [NSError errorWithDomain: SFHFKeychainUtilsErrorDomain code: status userInfo: nil];
+    
+    return NO;
 	}
+  
+  return YES;
 }
 
-+ (void) deleteItemForUsername: (NSString *) username andServiceName: (NSString *) serviceName error: (NSError **) error {
-	if (!username || !serviceName) {
-		if (error != nil) {
++ (BOOL) deleteItemForUsername: (NSString *) username andServiceName: (NSString *) serviceName error: (NSError **) error 
+{
+	if (!username || !serviceName) 
+  {
+		if (error != nil) 
+    {
 			*error = [NSError errorWithDomain: SFHFKeychainUtilsErrorDomain code: -2000 userInfo: nil];
 		}
-		return;
+		return NO;
 	}
 	
-	if (error != nil) {
+	if (error != nil) 
+  {
 		*error = nil;
 	}
   
@@ -398,9 +419,14 @@
 	
 	OSStatus status = SecItemDelete((CFDictionaryRef) query);
 	
-	if (error != nil && status != noErr) {
+	if (error != nil && status != noErr) 
+  {
 		*error = [NSError errorWithDomain: SFHFKeychainUtilsErrorDomain code: status userInfo: nil];		
+    
+    return NO;
 	}
+  
+  return YES;
 }
 
 #endif