From: Stephen Hemminger <shemminger@osdl.org>
To: Sam Ravnborg <sam@ravnborg.org>
Cc: torvalds@transmeta.com, reiserfs-dev@namesys.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Remove 'strchr' warning from reiserfs
Date: Mon, 19 May 2003 12:47:12 -0700 [thread overview]
Message-ID: <20030519124712.2c4b692d.shemminger@osdl.org> (raw)
In-Reply-To: <20030517191611.GA10417@mars.ravnborg.org>
On Sat, 17 May 2003 21:16:11 +0200
Sam Ravnborg <sam@ravnborg.org> wrote:
> Hi Linus, please apply - maintainer cc:ed for info.
>
> Reiserfs emits a warning about strchr being defined but not
> used. I finally tracked down the reason for this.
> gcc - when seeing strstr(x, "%") recognized that the second parameter
> is a char, and therefore uses strchr instead of strstr.
> The workaround to avoid the warning is to replace the call
> to strstr with strchr - which is OK.
>
> This hides the warning, and brings us down to 6 warnings for a
> make defconfig bzImage.
>
> Sam
Good job finding this, several others have looked and never found what
was causing it. Is this gcc behaviour documented anywhere? What other
surprises are there?
next prev parent reply other threads:[~2003-05-19 19:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-17 19:16 Sam Ravnborg
2003-05-19 19:47 ` Stephen Hemminger [this message]
2003-05-19 21:33 ` Sam Ravnborg
2003-05-20 0:26 ` Kurt Wall
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