linux-kernel - Re: [PATCH 00/22] treewide: Replace strnicmp with strncasecmp

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Message-ID: <20140916215502.GN6205@thunk.org>
Date:	Tue, 16 Sep 2014 17:55:02 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Rasmus Villemoes <linux@...musvillemoes.dk>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/22] treewide: Replace strnicmp with strncasecmp

On Tue, Sep 16, 2014 at 10:51:14PM +0200, Rasmus Villemoes wrote:
> The kernel used to contain two functions for length-delimited,
> case-insensitive string comparison, strnicmp with correct semantics
> and a slightly buggy strncasecmp. The latter is the POSIX name, so
> strnicmp was renamed to strncasecmp, and strnicmp made into a wrapper
> for the new strncasecmp to avoid breaking existing users.

For the sake of those people who need to review the patches, can you
say a bit more about the difference in semantics between strnicmp and
strncasecmp, and why it's safe to do a global search and replace
without worrying about the semantic differences?

Thanks,

					- Ted
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