Dans comp.lang.ada, Marin D. Condic �crit :

>Apparently everyone is reading my requirement to be able to read and
>write compressed files to mean that I want Read/Write access to a
>compressed file. I don't. I want to be able to open a sequential,
>compressed file for read access and read the bytes getting them
>decompressed from the read routine. I want to open a sequential,
>compressed file for write access and write bytes to it, getting them
>compressed by the write routine. I also want to be able to seek to a
>specific byte position within a read-access file. (Yes, I know that

Skimming through this thread I don't see a mention of zlib.
I think there are good chances that what Marin needs is mostly
an Ada binding to zlib.

See http://www.info-zip.org/pub/infozip/zlib/.

Hope this helps,
Thomas.
-- 
    Thomas.Quinot@Cuivre.FR.EU.ORG