ObjFW  Check-in [3006cccbb9]

 *
 * \param buf The buffer into which the data is read
 * \param size The size of the data that should be read.
 *	       The buffer MUST be EXACTLY this big!
 */
- (void)readExactlyNBytes: (size_t)size
	       intoBuffer: (char*)buf;
/**
 * Reads nitems items with the specified item size from the stream and returns
 * them in an OFDataArray.
 *
 * \param itemsize The size of each item
 * \param nitems The number of iteams to read
 * \return An OFDataArray with at nitems items.
 */
- (OFDataArray*)readDataArrayWithItemSize: (size_t)itemsize
				andNItems: (size_t)nitems;

/**
 * \return An OFDataArray with an item size of 1 with all the data of the
 *	   stream until the end of the stream is reached.
 */
- (OFDataArray*)readDataArrayTillEndOfStream;

{
	size_t len = 0;

	while (len < size)
		len += [self readNBytes: size - len
			     intoBuffer: buf + len];
}

- (OFDataArray*)readDataArrayWithItemSize: (size_t)itemsize
				andNItems: (size_t)nitems
{
	OFDataArray *da;
	char *tmp;

	da = [OFDataArray dataArrayWithItemSize: itemsize];
	tmp = [self allocMemoryForNItems: nitems
				withSize: itemsize];

	@try {
		[self readExactlyNBytes: nitems * itemsize
			     intoBuffer: tmp];

		[da addNItems: nitems
		   fromCArray: tmp];
	} @finally {
		[self freeMemory: tmp];
	}

	return da;
}

- (OFDataArray*)readDataArrayTillEndOfStream
{
	OFDataArray *a;
	char *buf;

	a = [OFDataArray dataArrayWithItemSize: 1];