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From: "brian m. carlson" <sandals@crustytoothpaste.net>
To: Jeff King <peff@peff.net>
Cc: "Đoàn Trần Công Danh" <congdanhqx@gmail.com>, git@vger.kernel.org
Subject: Re: [PATCH 1/2] date.c: allow fractional second part of ISO-8601
Date: Tue, 14 Apr 2020 23:49:58 +0000	[thread overview]
Message-ID: <20200414234958.GE2751707@camp.crustytoothpaste.net> (raw)
In-Reply-To: <20200414201733.GB1879688@coredump.intra.peff.net>

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On 2020-04-14 at 20:17:33, Jeff King wrote:
> On Tue, Apr 14, 2020 at 04:31:54PM +0700, Đoàn Trần Công Danh wrote:
> 
> > diff --git a/date.c b/date.c
> > index b0d9a8421d..2f37397beb 100644
> > --- a/date.c
> > +++ b/date.c
> > @@ -556,6 +556,8 @@ static int match_multi_number(timestamp_t num, char c, const char *date,
> >  	case ':':
> >  		if (num3 < 0)
> >  			num3 = 0;
> > +		else if (*end == '.' && isdigit(end[1]))
> > +			strtol(end + 1, &end, 10);
> 
> This just throws away the fractional part. I doubt anybody cares much
> either way, but another option would be to round num3 up or down.

I'm happy with truncation.  It's simple and straightforward and will be
widely and intuitively understood by programmers, who are probably the
primary users of our ISO 8601 handling.

I do appreciate that you pointed this out, because it's a good point.

And overall, I agree that this seems like a good fix for the problem.
-- 
brian m. carlson: Houston, Texas, US
OpenPGP: https://keybase.io/bk2204

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  reply	other threads:[~2020-04-14 23:50 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-14  0:03 Mishandling of fractional seconds in ISO 8601 format brian m. carlson
2020-04-14  9:31 ` [PATCH 0/2] More ISO-8601 support Đoàn Trần Công Danh
2020-04-14  9:31   ` [PATCH 1/2] date.c: allow fractional second part of ISO-8601 Đoàn Trần Công Danh
2020-04-14 20:16     ` Jeff King
2020-04-15  2:15       ` Danh Doan
2020-04-14 20:17     ` Jeff King
2020-04-14 23:49       ` brian m. carlson [this message]
2020-04-15  2:17         ` Danh Doan
2020-04-14  9:31   ` [PATCH 2/2] date.c: allow compact version of ISO-8601 datetime Đoàn Trần Công Danh
2020-04-14 20:24     ` Jeff King
2020-04-15  2:12       ` Danh Doan
2020-04-15 15:03       ` Junio C Hamano
2020-04-15 15:41         ` Jeff King
2020-04-15 15:58           ` Junio C Hamano
2020-04-16 11:16           ` Danh Doan
2020-04-14 23:45   ` [PATCH 0/2] More ISO-8601 support brian m. carlson
2020-04-15  3:31   ` [PATCH v2 " Đoàn Trần Công Danh
2020-04-15  3:31     ` [PATCH v2 1/2] date.c: skip fractional second part of ISO-8601 Đoàn Trần Công Danh
2020-04-15 10:17       ` Torsten Bögershausen
2020-04-16 10:04         ` Danh Doan
2020-04-15  3:31     ` [PATCH v2 2/2] date.c: allow compact version of ISO-8601 datetime Đoàn Trần Công Danh
2020-04-22 13:15   ` [PATCH v3 0/2] More ISO-8601 support Đoàn Trần Công Danh
2020-04-22 13:15     ` [PATCH v3 1/2] date.c: skip fractional second part of ISO-8601 Đoàn Trần Công Danh
2020-04-22 17:05       ` Junio C Hamano
2020-04-23  1:18         ` Danh Doan
2020-04-23 19:28           ` Junio C Hamano
2020-04-23 20:41             ` Philip Oakley
2020-04-24  0:07               ` Danh Doan
2020-04-24  0:46                 ` Junio C Hamano
2020-04-24 17:32                   ` Philip Oakley
2020-04-24 17:30                 ` Philip Oakley
2020-04-22 13:15     ` [PATCH v3 2/2] date.c: allow compact version of ISO-8601 datetime Đoàn Trần Công Danh
2020-04-22 17:17       ` Junio C Hamano
2020-04-23  1:20         ` Danh Doan
2020-04-23 13:52   ` [PATCH v4 0/4] More ISO-8601 support Đoàn Trần Công Danh
2020-04-23 13:52     ` [PATCH v4 1/4] date.c: s/is_date/set_date/ Đoàn Trần Công Danh
2020-04-23 20:08       ` Junio C Hamano
2020-04-23 13:52     ` [PATCH v4 2/4] date.c: validate and set time in a helper function Đoàn Trần Công Danh
2020-04-23 20:18       ` Junio C Hamano
2020-04-24 11:43         ` Danh Doan
2020-04-24 20:29           ` Junio C Hamano
2020-04-23 13:52     ` [PATCH v4 3/4] date.c: skip fractional second part of ISO-8601 Đoàn Trần Công Danh
2020-04-23 20:29       ` Junio C Hamano
2020-04-23 13:52     ` [PATCH v4 4/4] date.c: allow compact version of ISO-8601 datetime Đoàn Trần Công Danh
2020-04-24 15:07   ` [PATCH v5 0/4] More ISO-8601 support Đoàn Trần Công Danh
2020-04-24 15:07     ` [PATCH v5 1/4] date.c: s/is_date/set_date/ Đoàn Trần Công Danh
2020-04-24 15:07     ` [PATCH v5 2/4] date.c: validate and set time in a helper function Đoàn Trần Công Danh
2020-04-24 15:07     ` [PATCH v5 3/4] date.c: skip fractional second part of ISO-8601 Đoàn Trần Công Danh
2020-04-24 15:07     ` [PATCH v5 4/4] date.c: allow compact version of ISO-8601 datetime Đoàn Trần Công Danh

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