Date: Thu, 15 Dec 2005 16:47:17 -0500 From: Nicolas Blais <nb_root@videotron.ca> To: freebsd-questions@freebsd.org Cc: Vasilkov Vasily <chand0s@list.ru> Subject: Re: "fopen" call... Message-ID: <200512151647.23500.nb_root@videotron.ca> In-Reply-To: <op.s1ug66y1fi920b@lazy.lazy.org> References: <op.s1ug66y1fi920b@lazy.lazy.org>
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--nextPart2866146.lKyPuEgPZ5 Content-Type: text/plain; charset="koi8-r" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On December 15, 2005 04:41 pm, Vasilkov Vasily wrote: > Hi all.. > this is the part of my source > ************ > FILE *source; > source =3D fopen("/home/user/test.c", "r"); > if (source) { > printf("fopen error"); > exit(0); > }; > ************ > file "/home/user/test.c" exists and its access mode is 777..., but > when I run program, I get "fopen error" message... > > Can anybody explain me this subj? > > =46rom man fopen: RETURN VALUES Upon successful completion fopen(), fdopen() and freopen() return a FI= LE pointer. Otherwise, NULL is returned and the global variable errno is set to indicate the error. That means that your code should be: FILE *source; source =3D fopen("/home/user/test.c", "r"); if (!source) { printf("fopen error"); exit(0); }; Nicolas. =2D-=20 =46reeBSD 7.0-CURRENT #4: Sat Dec 10 11:55:08 EST 2005 =20 root@clk01a:/usr/obj/usr/src/sys/CLK01A=20 PGP? (updated 16 Nov 05) : http://www.clkroot.net/security/nb_root.asc --nextPart2866146.lKyPuEgPZ5 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQBDoeRr4wTBlvcsbJURAhYkAJwP3VrufI45tVFXGiAemoqfSwwX6wCeOY7t JqbY/KlBLBHsKnCnZCPgPKE= =QBzA -----END PGP SIGNATURE----- --nextPart2866146.lKyPuEgPZ5--
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