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-rw-r--r--lib/closedir.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/lib/closedir.c b/lib/closedir.c
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--- /dev/null
+++ b/lib/closedir.c
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+/* Stop reading the entries of a directory.
+ Copyright (C) 2006-2020 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include <dirent.h>
+
+#if REPLACE_FCHDIR
+# include <unistd.h>
+#endif
+
+#if HAVE_CLOSEDIR
+
+/* Override closedir(), to keep track of the open file descriptors.
+ Needed because there is a function dirfd(). */
+
+#else
+
+# include <stdlib.h>
+
+# include "dirent-private.h"
+
+#endif
+
+int
+closedir (DIR *dirp)
+{
+# if REPLACE_FCHDIR || REPLACE_DIRFD
+ int fd = dirfd (dirp);
+# endif
+ int retval;
+
+#if HAVE_CLOSEDIR
+# undef closedir
+
+ retval = closedir (dirp);
+
+# ifdef __KLIBC__
+ if (!retval)
+ _gl_unregister_dirp_fd (fd);
+# endif
+#else
+
+ if (dirp->current != INVALID_HANDLE_VALUE)
+ FindClose (dirp->current);
+ free (dirp);
+
+ retval = 0;
+
+#endif
+
+#if REPLACE_FCHDIR
+ if (retval >= 0)
+ _gl_unregister_fd (fd);
+#endif
+ return retval;
+}