Method readBlock

ij/src/main/java/ij/plugin/GIF_Reader.java:394–412

Reads next variable length block from input. @return int number of bytes stored in "buffer"

()

	 * @return int number of bytes stored in "buffer"
	 */
	private int readBlock() {
		blockSize = read();
		int n = 0;
		int count;
		if (blockSize > 0) {
			try {
				while (n<blockSize) {
					count = in.read(block, n, blockSize-n);
					if (count==-1)
						break;
					n += count;
				}
			} catch (IOException e) {}

			if (n < blockSize)
				status = STATUS_FORMAT_ERROR; 
		}
		return n;
	}


	/**