Date: Fri, 17 Jul 2009 11:52:34 +0200 From: Jilles Tjoelker <jilles@stack.nl> To: Tim Kientzle <kientzle@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r195458 - in head: include lib/libc/sys sys/bsm sys/compat/freebsd32 sys/compat/svr4 sys/i386/ibcs2 sys/kern sys/sys Message-ID: <20090717095234.GA48647@stack.nl> In-Reply-To: <4A5CAC1B.4070006@freebsd.org> References: <200907081523.n68FNIpi055036@svn.freebsd.org> <20090709173046.GA48155@stack.nl> <4A5CAC1B.4070006@freebsd.org>
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On Tue, Jul 14, 2009 at 09:02:35AM -0700, Tim Kientzle wrote: > Another data point: I've started looking at the *at() > functions for libarchive's deep directory handling. The > current code uses chdir() to manipulate files with very long > pathnames, but that causes complications for libarchive > clients that I'd like to eliminate. Using *at() functions > to manage a "virtual current directory" looks a lot more robust. > Unfortunately, there are still a few operations that are > unavailable with this paradigm: > * ACL functions > * extattr functions Right. As with pathconf(), "at" variants with AT_SYMLINK_NOFOLLOW option would be useful here. > * link() > * symlink() linkat() and symlinkat() exist. In addition to providing the "at" functionality, linkat() allows creating hard links to symlinks. -- Jilles Tjoelker
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