freebsd-dev/release/sysinstall/ufs.c

64 lines
2.5 KiB
C

/*
* The new sysinstall program.
*
* This is probably the last attempt in the `sysinstall' line, the next
* generation being slated to essentially a complete rewrite.
*
* $Id: ufs.c,v 1.8 1996/04/13 13:32:14 jkh Exp $
*
* Copyright (c) 1995
* Jordan Hubbard. All rights reserved.
* Copyright (c) 1995
* Gary J Palmer. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* verbatim and that no modifications are made prior to this
* point in the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include "sysinstall.h"
#include <sys/fcntl.h>
#include <sys/param.h>
/* No init or shutdown routines necessary - all done in mediaSetUFS() */
int
mediaGetUFS(Device *dev, char *file, Boolean probe)
{
char buf[PATH_MAX];
if (isDebug())
msgDebug("Request for %s from UFS\n", file);
snprintf(buf, PATH_MAX, "%s/%s", dev->private, file);
if (file_readable(buf))
return open(buf, O_RDONLY);
snprintf(buf, PATH_MAX, "%s/dists/%s", dev->private, file);
if (file_readable(buf))
return open(buf, O_RDONLY);
snprintf(buf, PATH_MAX, "%s/%s/%s", dev->private, variable_get(VAR_RELNAME), file);
if (file_readable(buf))
return open(buf, O_RDONLY);
snprintf(buf, PATH_MAX, "%s/%s/dists/%s", dev->private, variable_get(VAR_RELNAME), file);
return open(buf, O_RDONLY);
}