NSStream+BoundPairAdditions.m

//
//  NSStream+BoundPairAdditions.m
//  Streams
//
//  Created by Peter Paulis on 03/02/15.
//  Copyright (c) 2015 Peter Paulis. All rights reserved.
//

#import "NSStream+BoundPairAdditions.h"

@implementation NSStream (BoundPairAdditions)

+ (void)createBoundInputStream:(NSInputStream **)inputStreamPtr outputStream:(NSOutputStream **)outputStreamPtr bufferSize:(NSUInteger)bufferSize {
    
    CFReadStreamRef     readStream;
    CFWriteStreamRef    writeStream;
    
    assert( (inputStreamPtr != NULL) || (outputStreamPtr != NULL) );
    
    readStream = NULL;
    writeStream = NULL;

    
    CFStreamCreateBoundPair(
                            NULL,
                            ((inputStreamPtr  != nil) ? &readStream : NULL),
                            ((outputStreamPtr != nil) ? &writeStream : NULL),
                            (CFIndex) bufferSize
                            );
    
    if (inputStreamPtr != NULL) {
        *inputStreamPtr  = CFBridgingRelease(readStream);
    }
    if (outputStreamPtr != NULL) {
        *outputStreamPtr = CFBridgingRelease(writeStream);
    }
}

@end