usr/src/cmd/make/lib/vroot/open.cc

   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 <sys/types.h>
  28 #include <sys/stat.h>
  29 #include <fcntl.h>
  30
  31 extern int open(const char *path, int oflag, ...);
  32
  33 #include <vroot/vroot.h>
  34 #include <vroot/args.h>
  35
  36 static int      open_thunk(char *path)
  37 {
  38         vroot_result= open(path, vroot_args.open.flags, vroot_args.open.mode);
  39         return(vroot_result >= 0);
  40 }
  41
  42 int     open_vroot(char *path, int flags, int mode, pathpt vroot_path, pathpt vroot_vroot)
  43 {
  44         vroot_args.open.flags= flags;
  45         vroot_args.open.mode= mode;
  46         translate_with_thunk(path, open_thunk, vroot_path, vroot_vroot,
  47                                 ((flags & (O_CREAT|O_APPEND)) != 0) ? rw_write : rw_read);
  48         return(vroot_result);
  49 }