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From: Al Viro <viro@ZenIV.linux.org.uk>
To: Andi Kleen <andi@firstfloor.org>
Cc: mmarek@suse.cz, hpa@zytor.com, linux-kernel@vger.kernel.org,
	Andi Kleen <ak@linux.intel.com>,
	Viresh Kumar <viresh.kumar@linaro.org>
Subject: Re: [PATCH] Kbuild, lto: Avoid reported warning with strtoul
Date: Fri, 18 Apr 2014 05:49:04 +0100	[thread overview]
Message-ID: <20140418044904.GM18016@ZenIV.linux.org.uk> (raw)
In-Reply-To: <1397795756-23283-1-git-send-email-andi@firstfloor.org>

On Fri, Apr 18, 2014 at 06:35:56AM +0200, Andi Kleen wrote:
> From: Andi Kleen <ak@linux.intel.com>
> 
> Apparently someone's C library declares strtoul with warn_unused_result.
> Cast to void to avoid the warning. Error handling is not useful here.

Umm...  Since we don't give a fsck for the value, isn't that simply
	
	char *p = strchr(s, '.');
	if (p) {
		size_t m = strspn(p + 1, "0123456789");
		if (m > 0 && (p[m + 1] == '.' || p[m + 1] == '\0'))
			*p = '\0';
	}

  reply	other threads:[~2014-04-18  4:49 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-18  4:35 [PATCH] Kbuild, lto: Avoid reported warning with strtoul Andi Kleen
2014-04-18  4:49 ` Al Viro [this message]
2014-04-18 13:38   ` Andi Kleen
2014-04-21  4:55 ` Viresh Kumar
2014-04-21 16:50   ` Andi Kleen
2014-04-22  4:19     ` Viresh Kumar

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