Gzip assumes 'unsigned long' is 32-bits wide and depends on this. One thing Gzip does is implicitly by store the size of a file into an 'unsigned long' rather than  explicitly compute the remainder modulo 2^32 (see RFC 1952 section 2.3.1 "ISIZE").  Thus an extracted file size is does not equal the original size (mod 2^32) for files larger than 4GB.
Gzip assumes 'unsigned long' is 32-bits wide and depends on this.
One thing Gzip does is implicitly by store the size of a file into an
'unsigned long' rather than  explicitly compute the remainder modulo 2^32
(see RFC 1952 section 2.3.1 "ISIZE").  Thus an extracted file size is
does not equal the original size (mod 2^32) for files larger than 4GB.

This manifests itself in errors such as:
	zcat: bigfile.gz: invalid compressed data--length error

PR:		66008, 66009
Submitted by:	Peter Losher <Peter_Losher@isc.org>
Patch by:	tjr

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase