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  * Copyright 1993 Sun Microsystems, Inc. All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25 
  26 
  27 #include <unistd.h>
  28 
  29 extern int readlink(const char *path, void *buf, size_t bufsiz);
  30 
  31 #include <vroot/vroot.h>
  32 #include <vroot/args.h>
  33 
  34 static int      readlink_thunk(char *path)
  35 {
  36         vroot_result= readlink(path, vroot_args.readlink.buffer, vroot_args.readlink.buffer_size);
  37         return(vroot_result >= 0);
  38 }
  39 
  40 int     readlink_vroot(char *path, char *buffer, int buffer_size, pathpt vroot_path, pathpt vroot_vroot)
  41 {
  42         vroot_args.readlink.buffer= buffer;
  43         vroot_args.readlink.buffer_size= buffer_size;
  44         translate_with_thunk(path, readlink_thunk, vroot_path, vroot_vroot, rw_read);
  45         return(vroot_result);
  46 }