forked from Imagelibrary/rtems
dd19c0bb06
* libc/chmod.c: Return ENOTSUP if filesystem does not have handler. * libc/eval.c: Ditto. * libc/fcntl.c: Ditto. * libc/fsync.c: Ditto. * libc/ioctl.c: Ditto. * libc/ioman.c: Ditto. * libc/link.c: Ditto. * libc/memfile.c: Ditto. * libc/mknod.c: Ditto. * libc/symlink.c: Ditto. * libc/libio.h(rtems_filesystem_dev_major_t): New macro. * libc/libio.h(rtems_filesystem_dev_minor_t): New macro.
77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
/*
|
|
* rtems_filesystem_evaluate_path()
|
|
*
|
|
* Routine to seed the evaluate path routine.
|
|
*
|
|
* COPYRIGHT (c) 1989-1999.
|
|
* On-Line Applications Research Corporation (OAR).
|
|
*
|
|
* The license and distribution terms for this file may be
|
|
* found in the file LICENSE in this distribution or at
|
|
* http://www.OARcorp.com/rtems/license.html.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#include <rtems.h>
|
|
#include "libio_.h"
|
|
|
|
int rtems_filesystem_evaluate_path(
|
|
const char *pathname,
|
|
int flags,
|
|
rtems_filesystem_location_info_t *pathloc,
|
|
int follow_link
|
|
)
|
|
{
|
|
int i;
|
|
int result;
|
|
rtems_filesystem_node_types_t type;
|
|
|
|
/*
|
|
* Verify Input parameters.
|
|
*/
|
|
|
|
if ( !pathname )
|
|
set_errno_and_return_minus_one( EFAULT );
|
|
|
|
if ( !pathloc )
|
|
set_errno_and_return_minus_one( EIO ); /* should never happen */
|
|
|
|
/*
|
|
* Evaluate the path using the optable evalpath.
|
|
*/
|
|
|
|
rtems_filesystem_get_start_loc( pathname, &i, pathloc );
|
|
|
|
if ( !pathloc->ops->evalpath )
|
|
set_errno_and_return_minus_one( ENOTSUP );
|
|
|
|
result = (*pathloc->ops->evalpath)( &pathname[i], flags, pathloc );
|
|
|
|
/*
|
|
* Get the Node type and determine if you need to follow the link or
|
|
* not.
|
|
*/
|
|
|
|
if ( (result == 0) && follow_link ) {
|
|
|
|
if ( !pathloc->ops->node_type )
|
|
set_errno_and_return_minus_one( ENOTSUP );
|
|
|
|
type = (*pathloc->ops->node_type)( pathloc );
|
|
|
|
if ( ( type == RTEMS_FILESYSTEM_HARD_LINK ) ||
|
|
( type == RTEMS_FILESYSTEM_SYM_LINK ) ) {
|
|
|
|
if ( !pathloc->ops->eval_link )
|
|
set_errno_and_return_minus_one( ENOTSUP );
|
|
|
|
result = (*pathloc->ops->eval_link)( pathloc, flags );
|
|
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|