Patent ID: 11934346
Assignee: TREND MICRO INCORPORATED
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A method to be performed by a computer, the method comprising:
providing a compressed tar archive, the compressed tar archive including a plurality of members files that have been compressed in the compressed tar archive;
identifying, in the compressed tar archive, a locator of a target member file of the plurality of member files, the locator including a tar offset, a logical offset, and a decompressor state;
seeking to the tar offset in the compressed tar archive;
at the tar offset, restoring a decompressor to the decompressor state, the decompressor state indicating to the decompressor what portion of the compressed tar archive has been decompressed;
from the tar offset, decompressing following compressed data of the compressed tar archive using the decompressor to generate a corresponding decompressed data; and
moving to the logical offset in the decompressed data to access the target member file.