@Override
		public int read() throws IOException {
			if (offset >= length()) {
				return -1;
			}
			byte b = readByte(offset);
			++offset;
			return b & 0xff;
		}
Construct byte provider from original file bytes
@param fileBytes original file bytes
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/FileBytesProvider.java