Method and system for traversing linked list record based upon write-once predetermined bit value of secondary pointers
US5247658A · kind A · utility
54Cited by
12References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1989 |
| Grant date | Sep 21, 1993 |
| Priority date | — |
| Expiry date | Oct 31, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99956
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for storing files on a computer file storage device. The files are organized into an hierarchical directory structure. The directory structure comprises directory entries and file entries. The file entries and directory each contain a primary and a secondary pointer. The secondary pointer is initially set to a predefined value. When an entry is to be updated, the secondary pointer is overridden with a value that points to the superseding entry. This directory structure is especially suitable to be used in a write-once computer memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.