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Date:      Fri, 14 Apr 2017 19:49:20 -0700
From:      "Ngie Cooper (yaneurabeya)" <yaneurabeya@gmail.com>
To:        rgrimes@freebsd.org
Cc:        John Baldwin <jhb@freebsd.org>, Ngie Cooper <ngie@freebsd.org>, src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   Re: svn commit: r316938 - head/sbin/savecore
Message-ID:  <62071184-0DDD-4996-867E-866BF1F8DC25@gmail.com>
In-Reply-To: <4CBF25DF-F407-4F50-8724-B73F64734E19@gmail.com>
References:  <201704150149.v3F1nu0D009274@pdx.rh.CN85.dnsmgr.net> <4CBF25DF-F407-4F50-8724-B73F64734E19@gmail.com>

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> On Apr 14, 2017, at 19:40, Ngie Cooper (yaneurabeya) =
<yaneurabeya@gmail.com> wrote:
>=20
>>=20
>> On Apr 14, 2017, at 18:49, Rodney W. Grimes =
<freebsd@pdx.rh.CN85.dnsmgr.net> wrote:
>>=20
>>> On Friday, April 14, 2017 07:41:48 PM Ngie Cooper wrote:
>>>> Author: ngie
>>>> Date: Fri Apr 14 19:41:48 2017
>>>> New Revision: 316938
>>>> URL: https://svnweb.freebsd.org/changeset/base/316938
>>>>=20
>>>> Log:
>>>> savecore: fix space calculation with respect to `minfree` in =
check_space(..)
>>>>=20
>>>> - Use strtoll(3) instead of atoi(3), because atoi(3) limits the
>>>>   representable data to INT_MAX. Check the values received from
>>>>   strtoll(3), trimming trailing whitespace off the end to maintain
>>>>   POLA.
>>>> - Use `KiB` instead of `kB` when describing free space, total =
space,
>>>>   etc. I am now fully aware of `KiB` being the IEC standard for =
1024
>>>>   bytes and `kB` being the IEC standard for 1000 bytes.
>>>=20
>>> I will just rant lightly that no one actually uses this in the real =
world.
>>>=20
>>> Good lucking finding a "16 GiB" DIMM on crucial.com or a 4Kin drive. =
 A
>>> kilobyte is a power of 2.  The End.
>>>=20
>>> (Next up we'll have to rename 4k displays to
>>> 4k<insert arbitrary and unrelated letter here>)
>>=20
>> Do we use KiB, MiB, GiB,... any place else in the system?  I cant =
think of
>> a place we do this, so please, lets not start doing this here?
>=20
> humanize_number(3) from libutil uses IEC units.
>=20
>> Yes, these are newer standards, perhaps some day we should make a =
global
>> switch to them, but lets not start mixing and matching things.
>=20
> I understand and agree. I=E2=80=99m not 100% sold on that one way or =
another, but since I was going to redo the number representation in save =
core with humanize_number(3), because reading `<really-long-int>KiB` is =
not ideal usability wise, and I don=E2=80=99t want to reinvent the wheel =
normalizing numbers and printing out the unit.

*unit. =E2=80=94> *unit, KiB seemed like a logical next step after =
discussing it at long length in the CR.

-Ngie

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