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-rw-r--r--gl/lib/rewinddir.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/gl/lib/rewinddir.c b/gl/lib/rewinddir.c
new file mode 100644
index 0000000..b07aaf9
--- /dev/null
+++ b/gl/lib/rewinddir.c
@@ -0,0 +1,53 @@
+/* Restart reading the entries of a directory from the beginning.
+ Copyright (C) 2011-2022 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>
+
+#include "dirent-private.h"
+
+/* Don't assume that UNICODE is not defined. */
+#undef FindFirstFile
+#define FindFirstFile FindFirstFileA
+
+void
+rewinddir (DIR *dirp)
+{
+ /* 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;
+ }
+ }
+}