iOS Question Reading Exif Data

#If OBJC
#import <ImageIO/ImageIO.h>

- (NSObject*) readExif: (NSString *) path
    {
    NSData *imgData = [NSData dataWithContentsOfFile: path];
    CGImageSourceRef source = CGImageSourceCreateWithData ((__bridge CFDataRef) imgData, NULL);
    NSDictionary *metaData = CFBridgingRelease (CGImageSourceCopyPropertiesAtIndex (source, 0, NULL));
    CFRelease (source);
    return metaData;
    }

#End If