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Joe Tsai d0e8d3a7ae compress/gzip: fix Reader to properly check FHCRC
RFC 1952, section 3.2.3 says:
>>>
If FHCRC is set, a CRC16 for the gzip header is present,
immediately before the compressed data. The CRC16 consists of the two
least significant bytes of the CRC32 for all bytes of the
gzip header up to and not including the CRC16.
<<<

Thus, instead of computing the CRC only over the first 10 bytes
of the header, we compute it over the whole header (minus CRC16).

Fixes #15070

Change-Id: I55703fd30b535b12abeb5e3962d4da0a86ed615a
Reviewed-on: https://go-review.googlesource.com/21466
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-04-14 23:45:51 +00:00
.github doc: update issue template 2016-03-09 00:52:16 +00:00
api api: update next.txt 2016-03-21 07:46:44 +00:00
doc doc: add classes to version tags in source install instructions 2016-04-14 23:36:29 +00:00
lib/time misc: update timezone database to IANA 2016a 2016-02-03 03:14:59 +00:00
misc misc/trace: update trace viewer html 2016-04-14 14:48:04 +00:00
src compress/gzip: fix Reader to properly check FHCRC 2016-04-14 23:45:51 +00:00
test cmd/compile: fix register size for ODOTPTR result 2016-04-14 21:19:12 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore .gitignore: ignore src/go/build/zcgo.go 2016-02-24 04:25:46 +00:00
AUTHORS A+C: manual updates 2016-01-08 06:02:39 +00:00
CONTRIBUTING.md doc: use new Gerrit URL and mention our instance in CONTRIBUTING.md 2016-03-09 00:52:42 +00:00
CONTRIBUTORS C: fix jbd's identity 2016-04-07 18:25:13 +00:00
favicon.ico godoc: update favicon 2012-10-11 17:02:36 +11:00
LICENSE doc: update licensing text one more time 2012-03-27 15:09:13 +11:00
PATENTS LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
README.md readme: emphasize issue tracker is for bugs/proposals 2015-10-02 18:44:14 +00:00
robots.txt godoc: serve robots.txt raw 2011-02-19 05:46:20 +11:00

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