NSInteger myInt = 1804809223;
NSLog(@"%i", myInt); <====
Values of type "NSInteger" should not be used as format arguments: add an explicit cast to 'long' instead.
NSLog(@"%lg", (long) myInt);
You get this warning if you compile on OS X (64-bit), because on that platform
NSInteger is defined as
long and is a 64-bit integer. The
%i format, on the other hand, is for
int, which is 32-bit. So the format and the actual parameter do not match in size.
NSInteger is 32-bit or 64-bit, depending on the platform, the compiler recommends
to add a cast to
Update: Since iOS 7 supports 64-bit now as well, you can get the same warning when compiling for iOS.