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From: George Dunlap <george.dunlap@eu.citrix.com>
To: Ian Jackson <Ian.Jackson@eu.citrix.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
	Ian Campbell <Ian.Campbell@citrix.com>
Subject: Re: [PATCH 3 of 3 RESEND] libxl: Warn that /usr/bin/pygrub is deprecated
Date: Thu, 10 May 2012 12:37:11 +0100	[thread overview]
Message-ID: <4FABA867.2050000@eu.citrix.com> (raw)
In-Reply-To: <20395.43075.534483.485017@mariner.uk.xensource.com>

On 10/05/12 12:36, Ian Jackson wrote:
> George Dunlap writes ("Re: [Xen-devel] [PATCH 3 of 3 RESEND] libxl: Warn that /usr/bin/pygrub is deprecated"):
>> On 09/05/12 14:43, Ian Campbell wrote:
>>> On Wed, 2012-05-09 at 11:51 +0100, George Dunlap wrote:
>>>> +    if ( !strncmp(info->u.pv.bootloader, "/usr/bin/pygrub", 20) )
>>> Why strncmp and not just strcmp? And why 20? AFAIK
>>> strlen("/usr/bin/pygrub") == 15 or 16 or so...
>> ISTR in the past build processes throwing warnings that strcmp() is
>> unsafe, and since warnings turn to errors, pre-emptively used the "safe"
>> version instead.
> Boggle.  Any such build processes need to be taken out and shot.
> There is nothing wrong with strcmp.  Are you sure you're not thinking
> of strcat or sprintf ?
Perhaps, or strcpy.  At any rate, it compiles just fine with strcmp(), 
so I'll include that in the next post.

  -George

  reply	other threads:[~2012-05-10 11:37 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-09 10:51 [PATCH 0 of 3 RESEND] tools: Move bootloaders to libexec directory George Dunlap
2012-05-09 10:51 ` [PATCH 1 of 3 RESEND] libxl: Look for bootloader in libexec path George Dunlap
2012-05-09 13:39   ` Ian Campbell
2012-05-09 14:01     ` George Dunlap
2012-05-09 10:51 ` [PATCH 2 of 3 RESEND] tools: Install pv bootloaders in libexec rather than /usr/bin George Dunlap
2012-05-09 13:41   ` Ian Campbell
2012-05-09 10:51 ` [PATCH 3 of 3 RESEND] libxl: Warn that /usr/bin/pygrub is deprecated George Dunlap
2012-05-09 13:43   ` Ian Campbell
2012-05-09 14:48     ` George Dunlap
2012-05-10 11:36       ` Ian Jackson
2012-05-10 11:37         ` George Dunlap [this message]
2012-05-10 11:44         ` Tim Deegan
2012-05-10 11:47           ` George Dunlap
2012-05-10 12:10             ` Tim Deegan
2012-05-10 13:15           ` Ian Jackson
2012-05-10 13:20             ` Tim Deegan

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