NSFileHandle readDataToEndOfFile example ios

readDataToEndOfFile

Synchronously reads the available data up to the end of file or maximum number of bytes.

- (NSData *)readDataToEndOfFile

Return Value of [NSFileHandle readDataToEndOfFile]

The data available through the receiver up to maximum size that can be represented by an NSData object or, if a communications channel, until an end-of-file indicator is returned.

Discussion of [NSFileHandle readDataToEndOfFile]

This method invokes readDataOfLength: as part of its implementation.

Example of [NSFileHandle readDataToEndOfFile]

-(NSString *) readToEnd
{
    if (currentOffset >= totalFileLength) { return nil; }

    [fileHandle seekToFileOffset:currentOffset];
    NSData *data = [fileHandle readDataToEndOfFile];
    currentOffset = totalFileLength;
    [fileHandle seekToEndOfFile];

    return [[[NSString alloc] initWithData:data encoding:encoding] autorelease];
}