1 /* Restart reading the entries of a directory from the beginning.
2    Copyright (C) 2011-2018 Free Software Foundation, Inc.
3 
4    This program is free software: you can redistribute it and/or modify
5    it under the terms of the GNU General Public License as published by
6    the Free Software Foundation; either version 3 of the License, or
7    (at your option) any later version.
8 
9    This program is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12    GNU General Public License for more details.
13 
14    You should have received a copy of the GNU General Public License
15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
16 
17 #include <config.h>
18 
19 /* Specification.  */
20 #include <dirent.h>
21 
22 #include <errno.h>
23 
24 #include "dirent-private.h"
25 
26 void
rewinddir(DIR * dirp)27 rewinddir (DIR *dirp)
28 {
29   /* Like in closedir().  */
30   if (dirp->current != INVALID_HANDLE_VALUE)
31     FindClose (dirp->current);
32 
33   /* Like in opendir().  */
34   dirp->status = -1;
35   dirp->current = FindFirstFile (dirp->dir_name_mask, &dirp->entry);
36   if (dirp->current == INVALID_HANDLE_VALUE)
37     {
38       switch (GetLastError ())
39         {
40         case ERROR_FILE_NOT_FOUND:
41           dirp->status = -2;
42           break;
43         default:
44           /* Save the error code for the next readdir() call.  */
45           dirp->status = ENOENT;
46           break;
47         }
48     }
49 }
50