source: rtems/cpukit/libcsupport/src/rmdir.c @ 1c6926c1

5
Last change on this file since 1c6926c1 was c625a641, checked in by Sebastian Huber <sebastian.huber@…>, on 12/21/14 at 19:12:28

Filesystem: Delete node type operation

Use the fstat handler instead.

  • Property mode set to 100644
File size: 1.5 KB
Line 
1/**
2 *  @file
3 *
4 *  @brief Remove a Directory
5 *  @ingroup libcsupport
6 */
7
8/*
9 *  COPYRIGHT (c) 1989-1999.
10 *  On-Line Applications Research Corporation (OAR).
11 *
12 *  The license and distribution terms for this file may be
13 *  found in the file LICENSE in this distribution or at
14 *  http://www.rtems.org/license/LICENSE.
15 */
16
17#if HAVE_CONFIG_H
18  #include "config.h"
19#endif
20
21#include <unistd.h>
22
23#include <rtems/libio_.h>
24
25/**
26 *   POSIX 1003.1b - 5.2.2 - Remove a Directory
27 */
28int rmdir( const char *path )
29{
30  int rv = 0;
31  rtems_filesystem_eval_path_context_t ctx;
32  int eval_flags = RTEMS_FS_REJECT_TERMINAL_DOT;
33  rtems_filesystem_location_info_t parentloc;
34  int parent_eval_flags = RTEMS_FS_PERMS_WRITE
35    | RTEMS_FS_PERMS_EXEC
36    | RTEMS_FS_FOLLOW_LINK;
37  const rtems_filesystem_location_info_t *currentloc =
38    rtems_filesystem_eval_path_start_with_parent(
39      &ctx,
40      path,
41      eval_flags,
42      &parentloc,
43      parent_eval_flags
44    );
45  const rtems_filesystem_operations_table *ops = currentloc->mt_entry->ops;
46  mode_t type = rtems_filesystem_location_type( currentloc );
47
48  if ( S_ISDIR( type ) ) {
49    if ( !rtems_filesystem_location_is_instance_root( currentloc ) ) {
50      rv = (*ops->rmnod_h)( &parentloc, currentloc );
51    } else {
52      rtems_filesystem_eval_path_error( &ctx, EBUSY );
53      rv = -1;
54    }
55  } else {
56    rtems_filesystem_eval_path_error( &ctx, ENOTDIR );
57    rv = -1;
58  }
59
60  rtems_filesystem_eval_path_cleanup_with_parent( &ctx, &parentloc );
61
62  return rv;
63}
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