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File indexing completed on 2025-05-11 08:24:15

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002 
0003 /*
0004  *  COPYRIGHT (c) 2009 Chris Johns <chrisj@rtems.org>
0005  *
0006  * Redistribution and use in source and binary forms, with or without
0007  * modification, are permitted provided that the following conditions
0008  * are met:
0009  * 1. Redistributions of source code must retain the above copyright
0010  *    notice, this list of conditions and the following disclaimer.
0011  * 2. Redistributions in binary form must reproduce the above copyright
0012  *    notice, this list of conditions and the following disclaimer in the
0013  *    documentation and/or other materials provided with the distribution.
0014  *
0015  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0016  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0017  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0018  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0019  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0020  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0021  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0022  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0023  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0024  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0025  * POSSIBILITY OF SUCH DAMAGE.
0026  */
0027 /*
0028  * The statvfs as defined by the SUS:
0029  *    http://www.opengroup.org/onlinepubs/009695399/basedefs/sys/statvfs.h.html
0030  */
0031 
0032 #ifdef HAVE_CONFIG_H
0033 #include "config.h"
0034 #endif
0035 
0036 #include <sys/statvfs.h>
0037 #include <string.h>
0038 
0039 #include <rtems/libio_.h>
0040 
0041 int statvfs( const char *__restrict path, struct statvfs *__restrict buf )
0042 {
0043   int rv = 0;
0044   rtems_filesystem_eval_path_context_t ctx;
0045   int eval_flags = RTEMS_FS_FOLLOW_LINK;
0046   const rtems_filesystem_location_info_t *currentloc =
0047     rtems_filesystem_eval_path_start( &ctx, path, eval_flags );
0048 
0049   memset( buf, 0, sizeof( *buf ) );
0050 
0051   rv = (*currentloc->mt_entry->ops->statvfs_h)( currentloc, buf );
0052 
0053   rtems_filesystem_eval_path_cleanup( &ctx );
0054 
0055   return rv;
0056 }