Re: testing for directory
Jeffrey Goldberg writes: > >In C code, is there a quick and dirty way to tell if a path > > points to a directory? > > man 2 stat This, I believe, will be the answer I'm looking for. Thank you. Robert Huff ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
Re: testing for directory
On Apr 29, 2007, at 3:39 PM, Robert Huff wrote: In C code, is there a quick and dirty way to tell if a path points to a directory? man 2 stat Cheers, -j -- Jeffrey Goldberghttp://www.goldmark.org/jeff/ ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
Re: testing for directory
On Sunday 29 April 2007 15:58:48 Roland Smith wrote: > On Sun, Apr 29, 2007 at 04:39:42PM -0400, Robert Huff wrote: > > In C code, is there a quick and dirty way to tell if a path > > points to a directory? Or do I have to open the parent directory and > > check the entry for that name? Just open() the path, then pass the fd to getdirentries(), if it returns -1, and errno = EINVAL, it's not a directory. (man getdirentries for more info) hth... don > > Try opening the path in question for writing with open(2). If it returns > -1, and errno is EISDIR, it is a directory. > > This will be inconclusive on a read-only filesystem, or if the limit of > open file handles is reached, or for any other reason that can make > open(2) fail. > > Roland -- Don Hinton or Institute for Software Integrated Systems (ISIS), Vanderbilt University tel: 615.480.5667 or 615.870.9728 pgpCl51TDL7hA.pgp Description: PGP signature
Re: testing for directory
On Sun, Apr 29, 2007 at 04:39:42PM -0400, Robert Huff wrote: > > In C code, is there a quick and dirty way to tell if a path > points to a directory? Or do I have to open the parent directory and > check the entry for that name? Try opening the path in question for writing with open(2). If it returns -1, and errno is EISDIR, it is a directory. This will be inconclusive on a read-only filesystem, or if the limit of open file handles is reached, or for any other reason that can make open(2) fail. Roland -- R.F.Smith http://www.xs4all.nl/~rsmith/ [plain text _non-HTML_ PGP/GnuPG encrypted/signed email much appreciated] pgp: 1A2B 477F 9970 BA3C 2914 B7CE 1277 EFB0 C321 A725 (KeyID: C321A725) pgp82o0Z9g4ES.pgp Description: PGP signature
