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From: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
To: "René Scharfe" <l.s.r@web.de>
Cc: Git List <git@vger.kernel.org>, Jeff King <peff@peff.net>,
	Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH 2/2] parse-options: use and require int pointer for OPT_CMDMODE
Date: Tue, 19 Sep 2023 11:40:54 +0200	[thread overview]
Message-ID: <ZQlspgfu7yDW0oTN@ugly> (raw)
In-Reply-To: <e6d8a291-03de-cfd3-3813-747fc2cad145@web.de>

On Sat, Sep 09, 2023 at 11:14:20PM +0200, René Scharfe wrote:
>Some uses of OPT_CMDMODE provide a pointer to an enum.  It is
>dereferenced as an int pointer in parse-options.c::get_value().  These
>two types are incompatible, though
>
s/are/may be/ - c.f. https://en.cppreference.com/w/c/language/enum

>-- the storage size of an enum can vary between platforms.
>
here's a completely different perspective:
this is merely a theoretical problem, right? gcc for example won't 
actually use non-ints unless -fshort-enums is supplied. so how about 
simply adding a (configure) test to ensure that there is actually no 
problem, and calling it a day?

regards


  parent reply	other threads:[~2023-09-19  9:41 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-09 21:10 [PATCH 1/2] parse-options: add int value pointer to struct option René Scharfe
2023-09-09 21:14 ` [PATCH 2/2] parse-options: use and require int pointer for OPT_CMDMODE René Scharfe
2023-09-10 10:18   ` Oswald Buddenhagen
2023-09-11 20:11     ` René Scharfe
2023-09-12  8:40       ` Jeff King
2023-09-16 17:45         ` Junio C Hamano
2023-09-18  9:28           ` René Scharfe
2023-09-18 10:10             ` Oswald Buddenhagen
2023-09-19  7:41               ` René Scharfe
2023-09-21 11:07                 ` [PATCH] am: fix error message in parse_opt_show_current_patch() Oswald Buddenhagen
2023-09-21 19:09                   ` Junio C Hamano
2023-09-21 19:28                     ` Oswald Buddenhagen
2023-09-18 13:33             ` [PATCH 2/2] parse-options: use and require int pointer for OPT_CMDMODE Phillip Wood
2023-09-18 17:11               ` Junio C Hamano
2023-09-18 19:48                 ` Phillip Wood
2023-10-03  8:49                   ` René Scharfe
2023-10-03 17:15                     ` Junio C Hamano
2023-09-19  7:47               ` René Scharfe
2023-09-11 19:12   ` Junio C Hamano
2023-09-11 20:11     ` René Scharfe
2023-09-19  9:40   ` Oswald Buddenhagen [this message]
2023-09-20  8:18     ` René Scharfe
2023-09-21 10:40       ` Oswald Buddenhagen
2023-10-03  8:49         ` René Scharfe
2023-10-03  9:38           ` Oswald Buddenhagen
2023-10-03 17:54             ` René Scharfe
2023-10-03 18:24               ` Oswald Buddenhagen
2023-09-10 18:40 ` [PATCH 1/2] parse-options: add int value pointer to struct option Taylor Blau
2023-09-11 19:19   ` Junio C Hamano
2023-09-11 22:28     ` Oswald Buddenhagen
2023-09-18 11:34       ` Kristoffer Haugsbakk
2023-09-18  9:53     ` René Scharfe
2023-09-18 10:28       ` Oswald Buddenhagen
2023-09-18 16:17       ` Junio C Hamano
2023-09-20 11:34         ` René Scharfe
2023-09-11 20:12   ` René Scharfe

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