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From: howell@cerc.wes.army.mil (Gary Howell)
Subject: Re: Data compression (in Ada)
Date: 1996/07/01
Message-ID: <4r9b2h$9dg@AesSedai.wes.army.mil>#1/1
X-Deja-AN: 163154374
references: <31D41C54.794BDF32@mailgw.sanders.lockheed.com>
organization: Waterways Experiment Station
newsgroups: comp.lang.ada
Date: 1996-07-01T00:00:00+00:00
List-Id: <comp.lang.ada>


In article <31D41C54.794BDF32@mailgw.sanders.lockheed.com>,
	Mike Roske <mroske@mailgw.sanders.lockheed.com> writes:
>I am looking for an Ada 83 implementation of a file
>compression/decompression algorithm (a la Zip).  It doesn't have to be
>compatible with Zip.
>
>I have a need to take a file, compress it, and store it on an embedded
>file system (part of the load process).  At run-time I will be
>uncompressing the file into RAM in order to access the data.  There 
>isn't enough EEPROM to store the uncompressed file, but I have enough
>RAM once I get started.
>
>My software MUST be written in Ada83 (contract requirement).
>

The following description from the PAL is exactly what you're looking for:

------------- Ada Software Repository Prologue ----------------
--                                                            -
-- Unit name    : Object Code Compression
--              : (1) compression_encode
--              : (2) compression_decode
--              : (3) compression_verify
--              : (4) set_parameter_file
-- Version      : 1.1
-- Author       : Bruce Petrick
--              : The Aerospace Corporation
--              : 2350 East El Segundo Boulevard
--              : El Segundo, CA 90245-4691

--snip

	It is well designed, well coded, and easy to tailor.

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