usr/src/lib/libc/port/sys/chown.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #include "lint.h"
  28 #include <stdio.h>
  29 #include <unistd.h>
  30 #include <sys/types.h>
  31 #include <sys/syscall.h>
  32 #include <sys/fcntl.h>
  33
  34 #pragma weak _fchownat = fchownat
  35 int
  36 fchownat(int fd, const char *name, uid_t uid, gid_t gid, int flags)
  37 {
  38         return (syscall(SYS_fchownat, fd, name, uid, gid, flags));
  39 }
  40
  41 #pragma weak _chown = chown
  42 int
  43 chown(const char *name, uid_t uid, gid_t gid)
  44 {
  45         return (fchownat(AT_FDCWD, name, uid, gid, 0));
  46 }
  47
  48 #pragma weak _lchown = lchown
  49 int
  50 lchown(const char *name, uid_t uid, gid_t gid)
  51 {
  52         return (fchownat(AT_FDCWD, name, uid, gid, AT_SYMLINK_NOFOLLOW));
  53 }
  54
  55 #pragma weak _fchown = fchown
  56 int
  57 fchown(int filedes, uid_t uid, gid_t gid)
  58 {
  59         return (fchownat(filedes, NULL, uid, gid, 0));
  60 }