#define LOG_DEBUG
 
#define __PREPEND_DATE(format)  ([NSString stringWithFormat:@"[%@] %@", [[[NSDate new] description] componentsSeparatedByString:@" "][1], [@"%@" stringByAppendingString:format]])
#define SLog(args,...) do { [[NSFileHandle fileHandleWithStandardOutput] writeData:[[NSString stringWithFormat:__PREPEND_DATE(args), @"", ##__VA_ARGS__] dataUsingEncoding: NSUTF8StringEncoding]]; [[NSFileHandle fileHandleWithStandardOutput] writeData: [@"\n" dataUsingEncoding: NSUTF8StringEncoding]]; } while(0);
 
#ifdef LOG_DEBUG
#define NSLog SLog
#endif
 
// ALog always displays output regardless of the DEBUG setting
#define ALog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__)
 
// DLog displays current method and line where the log call starts. Won't log when non in LOG_DEBUG mode
#ifdef LOG_DEBUG
#   define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__)
#else
#   define DLog(...)
#endif