NSStringf. Simpler printf styled +[NSString stringWithFormat:]

JTStringAddition.h

//
//  JTStringAddition.h
//
//  Created by James Tang on 27/08/2011.
//

NSString *NSStringf(NSString *format, ...);

JTStringAddition.m

//
//  JTStringAddition.m
//
//  Created by James Tang on 27/08/2011.
//

#import "JTStringAddition.h"

NSString *NSStringf(NSString *format, ...) {
    va_list ap;
    NSString *str;
    va_start(ap,format);
    str=[[NSString alloc] initWithFormat:format arguments:ap];
    va_end(ap);

    return [str autorelease];
}