Adding upstream version 1.21.4.upstream/1.21.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 60 insertions, 0 deletions

diff --git a/lib/rewinddir.c b/lib/rewinddir.c
new file mode 100644
index 0000000..f200cc5
--- /dev/null
+++ b/lib/rewinddir.c
@@ -0,0 +1,60 @@
+/* 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
+}