Joe Tsai ce5aac17f9 archive/tar: properly format GNU base-256 encoding ... Motivation: * Previous implementation silently failed when an integer overflow occurred. Now, we report an ErrFieldTooLong. * Previous implementation did not encode in two's complement format and was unable to encode negative numbers. The relevant GNU specification says: <<< GNU format uses two's-complement base-256 notation to store values that do not fit into standard ustar range. >>> Fixes #12436 Change-Id: I09c20602eabf8ae3a7e0db35b79440a64bfaf807 Reviewed-on: https://go-review.googlesource.com/17425 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>		2016-02-03 06:58:30 -05:00
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tar	archive/tar: properly format GNU base-256 encoding	2016-02-03 06:58:30 -05:00