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bug#38766: closed (bug: "gzip -l" truncates reported decompressed size t


From: GNU bug Tracking System
Subject: bug#38766: closed (bug: "gzip -l" truncates reported decompressed size to 32 bits)
Date: Thu, 16 Dec 2021 02:34:02 +0000

Your message dated Wed, 15 Dec 2021 18:33:12 -0800
with message-id <b546014b-f19b-8025-cd7b-2266676b41d9@cs.ucla.edu>
and subject line Re: bug#17804: RFC: fixing the 32-bit size and time limits in 
gzip file format
has caused the debbugs.gnu.org bug report #17804,
regarding bug: "gzip -l" truncates reported decompressed size to 32 bits
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs@gnu.org.)


-- 
17804: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17804
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems
--- Begin Message --- Subject: bug: "gzip -l" truncates reported decompressed size to 32 bits Date: Fri, 27 Dec 2019 20:35:13 +0000
As title states.

openSUSE Tumbleweed 20191216 (x86_64)
gzip 1.10

(Number delimiters manually added for clarity below.)

# zcat backup.bin.gz | wc -c
67,645,849,600
# gzip -l backup.bin.gz
compressed        uncompressed  ratio uncompressed_name
9,458,450,396    3,221,340,160 -193.6% backup.bin
#

67,645,849,600 => 0xf_c001_c000 => truncate => 0xc001_c000 => 3,221,340,160

Thanks!
Jason Mancini



--- End Message ---
--- Begin Message --- Subject: Re: bug#17804: RFC: fixing the 32-bit size and time limits in gzip file format Date: Wed, 15 Dec 2021 18:33:12 -0800 User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.1
On 6/18/14 15:12, Paul Eggert wrote:
One simple way forward would be to implement what pigz -tl does, namely, decompress the input stream and discard the output, but print its size.

I finally got around to implementing that suggestion:

https://git.savannah.gnu.org/cgit/gzip.git/commit/?id=cf26200380585019e927fe3cf5c0ecb7c8b3ef14
https://git.savannah.gnu.org/cgit/gzip.git/commit/?id=32fef43b442c7abc70414863d64718cd06f6477a

So I am closing this old bug report.


--- End Message ---

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