Method and apparatus for processing null terminated character st

Details Method and apparatus for processing null terminated character st Method and apparatus for processing null terminated character st

1994-11-18

1998-03-03

Coleman, Eric

Coded data generation or conversion

Digital code to digital code converters

Tree structure

341 55, G06F 710

Patent

active

057245720

ABSTRACT:
A method and apparatus for detecting the null byte at the end of a character string. The method and apparatus first logically concatenates two 32-bit input values into a single 64 bit value. Next, the 64-bit value is divided into 8 bytes. Then, a logical OR operation is performed on each byte and the results are put into an encoder. Finally, the encoder interprets the results of the OR operations and places output values into processor registers which indicate whether or where a null byte was detected.

REFERENCES:
patent: 4787060 (1988-11-01), Boudreau
patent: 5001477 (1991-03-01), Hicks
patent: 5060143 (1991-10-01), Lee
patent: 5319779 (1994-06-01), Chang
patent: 5339421 (1994-08-01), Housel
patent: 5351243 (1994-09-01), Kalkunte
patent: 5357431 (1994-10-01), Nakada
patent: 5465374 (1995-11-01), Dinkjian
patent: 5497488 (1996-03-01), Akizakia

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