From owner-freebsd-questions@FreeBSD.ORG Wed Dec 28 23:57:27 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B3C35106566C for ; Wed, 28 Dec 2011 23:57:27 +0000 (UTC) (envelope-from m.seaman@infracaninophile.co.uk) Received: from smtp.infracaninophile.co.uk (smtp6.infracaninophile.co.uk [IPv6:2001:8b0:151:1:3cd3:cd67:fafa:3d78]) by mx1.freebsd.org (Postfix) with ESMTP id 1EB1A8FC1B for ; Wed, 28 Dec 2011 23:57:26 +0000 (UTC) Received: from seedling.black-earth.co.uk (seedling.black-earth.co.uk [IPv6:2001:8b0:151:1:fa1e:dfff:feda:c0bb]) (authenticated bits=0) by smtp.infracaninophile.co.uk (8.14.5/8.14.5) with ESMTP id pBSNvNVx068408 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO) for ; Wed, 28 Dec 2011 23:57:23 GMT (envelope-from m.seaman@infracaninophile.co.uk) X-DKIM: OpenDKIM Filter v2.4.1 smtp.infracaninophile.co.uk pBSNvNVx068408 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=infracaninophile.co.uk; s=201001-infracaninophile; t=1325116643; bh=AXYfM7FaB91uOdMhCfsnbdW4PuYyujUriP1wU2t88+o=; h=Message-ID:Date:From:MIME-Version:To:Subject:References: In-Reply-To:Content-Type:Cc; b=pHJV9N8KVECg4n85z1qBKreWbjsgK2GUxGm/WcNM8oe9Yi/9RiEh0PgxuUXkvZfn0 F6UBwpbwUg76AIgv4qtUHqZbGYP4EwlWhUdU+dwWMzAAbPjFNcO76xP8/G2e69C8UR AzZc/Jn4gX1HEtY2iq41OGSoovsewzFe4P8kXJDM= Message-ID: <4EFBACE2.3000206@infracaninophile.co.uk> Date: Wed, 28 Dec 2011 23:57:22 +0000 From: Matthew Seaman User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:9.0) Gecko/20111222 Thunderbird/9.0.1 MIME-Version: 1.0 To: freebsd-questions@freebsd.org References: <20111228235010.GA28763@thought.org> In-Reply-To: <20111228235010.GA28763@thought.org> X-Enigmail-Version: 1.3.4 OpenPGP: id=60AE908C Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigCDC091BD3F5FEDB90ED17361" X-Virus-Scanned: clamav-milter 0.97.3 at lucid-nonsense.infracaninophile.co.uk X-Virus-Status: Clean X-Spam-Status: No, score=-1.4 required=5.0 tests=ALL_TRUSTED, AWL, DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU autolearn=ham version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on lucid-nonsense.infracaninophile.co.uk Subject: Re: how to tell that a file exists and is not 0-len? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Dec 2011 23:57:27 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigCDC091BD3F5FEDB90ED17361 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 28/12/2011 23:50, Gary Kline wrote: > access(filenamewithpath, F_OK) returned true as Zero if i have > access to it. what do i use in C to tell me that a file is not =20 > empty? fstat? or is there something more common? stat(2) which uses the file path -- unless you have an open file descriptor on the file, in which case use fstat(2). Matthew --=20 Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard Flat 3 PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate JID: matthew@infracaninophile.co.uk Kent, CT11 9PW --------------enigCDC091BD3F5FEDB90ED17361 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.16 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk77rOMACgkQ8Mjk52CukIzxeQCcC7cGu8ExmEKvFOC9NDP+I+Dm EFUAn2/Dwgd8xm5xPxa/HYSHzeN7T+np =MR71 -----END PGP SIGNATURE----- --------------enigCDC091BD3F5FEDB90ED17361--