Re: [PATCH v2] for_each_string_list_item: avoid undefined behavior for empty list

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Subject: Re: [PATCH v2] for_each_string_list_item: avoid undefined behavior for empty list
From: Andreas Schwab <schwab@xxxxxxxxxxxxxx>
Date: Thu, 21 Sep 2017 17:39:29 +0200
Cc: Jonathan Nieder <jrnieder@xxxxxxxxx>, Kaartic Sivaraam <kaarticsivaraam91196@xxxxxxxxx>, Michael Haggerty <mhagger@xxxxxxxxxxxx>, Alex Riesen <raa.lkml@xxxxxxxxx>, git@xxxxxxxxxxxxxxx
In-reply-to: <xmqqtvzwn9bj.fsf@gitster.mtv.corp.google.com> (Junio C. Hamano's message of "Thu, 21 Sep 2017 10:12:48 +0900")
References: <cb2d4d71c7c1db452b86c8076c153cabe7384e28.1505490776.git.mhagger@alum.mit.edu> <20170915184323.GU27425@aiede.mtv.corp.google.com> <b8951886-feab-a87a-9683-3c155cfa98a8@alum.mit.edu> <b03c7b09-853f-a2ed-f73e-7d946c90cedb@gmail.com> <20170920023008.GB126984@aiede.mtv.corp.google.com> <xmqqd16mowig.fsf@gitster.mtv.corp.google.com> <20170920052705.GC126984@aiede.mtv.corp.google.com> <87vakd2v22.fsf@linux-m68k.org> <20170920173134.GZ27425@aiede.mtv.corp.google.com> <87lgl9rqbq.fsf@linux-m68k.org> <xmqqtvzwn9bj.fsf@gitster.mtv.corp.google.com>
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux)

On Sep 21 2017, Junio C Hamano <gitster@xxxxxxxxx> wrote:

> Now you make me curious.  How would that variant be different from
> option C. in Jonathan's message?

Only in the parity of the condition.

Andreas.

-- 
Andreas Schwab, schwab@xxxxxxxxxxxxxx
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

References:
- [PATCH] for_each_string_list_item(): behave correctly for empty list
  - From: Michael Haggerty
- Re: [PATCH] for_each_string_list_item(): behave correctly for empty list
  - From: Jonathan Nieder
- Re: [PATCH] for_each_string_list_item(): behave correctly for empty list
  - From: Michael Haggerty
- Re: [PATCH] for_each_string_list_item(): behave correctly for empty list
  - From: Kaartic Sivaraam
- Re: [PATCH] for_each_string_list_item(): behave correctly for empty list
  - From: Jonathan Nieder
- Re: [PATCH] for_each_string_list_item(): behave correctly for empty list
  - From: Junio C Hamano
- [PATCH v2] for_each_string_list_item: avoid undefined behavior for empty list
  - From: Jonathan Nieder
- Re: [PATCH v2] for_each_string_list_item: avoid undefined behavior for empty list
  - From: Andreas Schwab
- Re: [PATCH v2] for_each_string_list_item: avoid undefined behavior for empty list
  - From: Jonathan Nieder
- Re: [PATCH v2] for_each_string_list_item: avoid undefined behavior for empty list
  - From: Andreas Schwab
- Re: [PATCH v2] for_each_string_list_item: avoid undefined behavior for empty list
  - From: Junio C Hamano

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