linux-kernel - Re: [PATCH 09/10] scripts/basic/fixdep: Complete error handling in print

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Date:   Thu, 3 Nov 2016 00:35:32 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Jim Davis <jim.epost@...il.com>
Cc:     SF Markus Elfring <elfring@...rs.sourceforge.net>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Michal Marek <mmarek@...e.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 09/10] scripts/basic/fixdep: Complete error handling in print_cmdline()

2016-10-29 8:42 GMT+09:00 Jim Davis <jim.epost@...il.com>:
> On Fri, Oct 28, 2016 at 1:40 AM, SF Markus Elfring
> <elfring@...rs.sourceforge.net> wrote:
>
>> +       if (printf("cmd_%s := %s\n\n", target, cmdline) < 10) {
>
> Rather than scatter fragile magic numbers, like 10, throughout the
> code, if you're hell-bent on checking for printf errors you could
> write a little wrapper function that hid the magic number and bundled
> up the errno stuff.


BTW, how the magic number "10" was calculated?




-- 
Best Regards
Masahiro Yamada