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From: Christopher Li <sparse@chrisli.org>
To: Kamil Dudka <kdudka@redhat.com>
Cc: Josh Triplett <josh@joshtriplett.org>,
	Pavel Roskin <proski@gnu.org>,
	linux-sparse@vger.kernel.org
Subject: Re: [PATCH] eliminate insane conversions from int to enum
Date: Mon, 29 Mar 2010 11:11:45 -0700	[thread overview]
Message-ID: <70318cbf1003291111t125ecc6cpa3f84987d6e4659b@mail.gmail.com> (raw)
In-Reply-To: <201003271053.47206.kdudka@redhat.com>

On Sat, Mar 27, 2010 at 2:53 AM, Kamil Dudka <kdudka@redhat.com> wrote:
> On Saturday 27 of March 2010 10:29:50 Josh Triplett wrote:
>> > Here is what sparse gives:
>> > $ ./sparse enum.c
>> > enum.c:1:10: warning: non-ANSI function declaration of function 'main'
>> > enum.c:6:15: warning: conversion of
>> > enum.c:6:15:     int to
>> > enum.c:6:15:     int enum <noident>
>> >
>> >
>> > Here is what g++ gives:
>> > $ g++ enum.c
>> > enum.c: In function ‘int main()’:
>> > enum.c:6: error: invalid conversion from ‘int’ to ‘main()::<anonymous
>> > enum>’
>>
>> Yup, both of these warnings seem correct.  Don't fix them by casting,
>> fix them by declaring "val" with an appropriate integral type.
>
> patch attached

I mention that in my other email. I don't agree this is a better change.
It is just for the sake of making the enum warning happy and make code
harder to understand.

Chris
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  reply	other threads:[~2010-03-29 18:11 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-09  1:24 Sparse crash when mixing int and enum in ternary operator Pavel Roskin
2010-03-09  5:43 ` Christopher Li
2010-03-09 13:46   ` Kamil Dudka
2010-03-09 18:26     ` Pavel Roskin
2010-03-09 18:35     ` Pavel Roskin
2010-03-09 19:06       ` Kamil Dudka
2010-03-09 19:15         ` Josh Triplett
2010-03-09 20:11           ` Pavel Roskin
2010-03-09 20:29             ` Kamil Dudka
2010-03-09 23:30               ` Kamil Dudka
2010-03-10  1:09                 ` Pavel Roskin
2010-03-10 16:05                   ` Kamil Dudka
2010-03-10 20:27                     ` Pavel Roskin
2010-03-10 20:44                       ` Kamil Dudka
2010-03-10 21:03                       ` Kamil Dudka
2010-03-10 21:56                     ` Christopher Li
2010-03-13 17:22                       ` Kamil Dudka
2010-03-21 15:27                         ` Kamil Dudka
2010-03-24 10:07                           ` Christopher Li
2010-03-24 10:51                             ` Kamil Dudka
2010-03-27  9:16                             ` Kamil Dudka
2010-03-27  9:29                               ` Josh Triplett
2010-03-27  9:53                                 ` [PATCH] eliminate insane conversions from int to enum Kamil Dudka
2010-03-29 18:11                                   ` Christopher Li [this message]
2010-03-29 18:05                                 ` Sparse crash when mixing int and enum in ternary operator Christopher Li
2010-03-29 18:17                                   ` Kamil Dudka
2010-03-29 18:48                                     ` Christopher Li
2010-03-29 19:23                                       ` Kamil Dudka
2010-03-30  5:29                                         ` Pavel Roskin
2010-03-29 21:26                                   ` Josh Triplett

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