wget/lib/rewinddir.c

61 lines
1.7 KiB
C

/* Restart reading the entries of a directory from the beginning.
Copyright (C) 2011-2023 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <dirent.h>
#include <errno.h>
#if GNULIB_defined_DIR
# include "dirent-private.h"
#endif
/* Don't assume that UNICODE is not defined. */
#undef FindFirstFile
#define FindFirstFile FindFirstFileA
void
rewinddir (DIR *dirp)
#undef rewinddir
{
#if HAVE_DIRENT_H /* equivalent to HAVE_REWINDDIR */
rewinddir (dirp->real_dirp);
#else
/* Like in closedir(). */
if (dirp->current != INVALID_HANDLE_VALUE)
FindClose (dirp->current);
/* Like in opendir(). */
dirp->status = -1;
dirp->current = FindFirstFile (dirp->dir_name_mask, &dirp->entry);
if (dirp->current == INVALID_HANDLE_VALUE)
{
switch (GetLastError ())
{
case ERROR_FILE_NOT_FOUND:
dirp->status = -2;
break;
default:
/* Save the error code for the next readdir() call. */
dirp->status = ENOENT;
break;
}
}
#endif
}