From: Frank Li <lznuaa@gmail.com>
Date: Mon, 21 Dec 2009 07:29:34 GMT
Subject: Re: possible code error at run_command.c
Message-ID: <1976ea660912202329x42f6add3j9175867e8723a4bd@mail.gmail.com>
In-Reply-To: <4B2F214D.2020905@viscovery.net>

> This is a commonly used idiom to avoid an (incorrect) compiler warning
> about an uninitialized variable.
>
> Strictly speaking, I think that you are right by saying "means nothing"
> because the use of the uninitialized variable invokes undefined behavior
> (and for this reason, I dislike this construct), but in practice it will
> not make a difference.
>

This error is captured at MSVC environment by run time varible check.
I prefer change it to
int failed_errno = errno;