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/*
* IMFS_chown
*
* This routine is the implementation of the chown() system
* call for the IMFS.
*
* 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 <errno.h>
#include "libio_.h"
#include "imfs.h"
int IMFS_chown(
rtems_filesystem_location_info_t *pathloc, /* IN */
uid_t owner, /* IN */
gid_t group /* IN */
)
{
IMFS_jnode_t *jnode;
#if defined(RTEMS_POSIX_API)
uid_t st_uid;
#endif
jnode = (IMFS_jnode_t *) pathloc->node_access;
/*
* Verify I am the owner of the node or the super user.
*/
#if defined(RTEMS_POSIX_API)
st_uid = geteuid();
if ( ( st_uid != jnode->st_uid ) && ( st_uid != 0 ) )
set_errno_and_return_minus_one( EPERM );
#endif
jnode->st_uid = owner;
jnode->st_gid = group;
IMFS_update_ctime( jnode );
return 0;
}
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