1 files changed, 88 insertions, 0 deletions
diff --git a/lib/dpkg/treewalk.h b/lib/dpkg/treewalk.h
new file mode 100644
index 0000000..ef72229
--- /dev/null
+++ b/lib/dpkg/treewalk.h
@@ -0,0 +1,88 @@
+/*
+ * libdpkg - Debian packaging suite library routines
+ * treewalk.h - directory tree walk support
+ *
+ * Copyright © 2013-2015 Guillem Jover <guillem@debian.org>
+ *
+ * This 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This 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/>.
+ */
+
+#ifndef LIBDPKG_TREEWALK_H
+#define LIBDPKG_TREEWALK_H
+
+#include <dpkg/macros.h>
+
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <stdbool.h>
+
+DPKG_BEGIN_DECLS
+
+/**
+ * @defgroup treewalk Directory tree walking
+ * @ingroup dpkg-internal
+ * @{
+ */
+
+enum treewalk_options {
+	TREEWALK_NONE = 0,
+	TREEWALK_FORCE_STAT = DPKG_BIT(0),
+	TREEWALK_FOLLOW_LINKS = DPKG_BIT(1),
+};
+
+struct treenode;
+
+typedef int treenode_visit_func(struct treenode *node);
+typedef bool treenode_skip_func(struct treenode *node);
+typedef int treenode_sort_func(struct treenode *node);
+
+struct treewalk_funcs {
+	treenode_visit_func *visit;
+	treenode_sort_func *sort;
+	treenode_skip_func *skip;
+};
+
+struct treeroot *
+treewalk_open(const char *rootdir, enum treewalk_options options,
+              const struct treewalk_funcs *funcs);
+struct treenode *
+treewalk_node(struct treeroot *tree);
+struct treenode *
+treewalk_next(struct treeroot *tree);
+void
+treewalk_close(struct treeroot *tree);
+
+int
+treewalk(const char *rootdir, enum treewalk_options options,
+         struct treewalk_funcs *funcs);
+
+struct treenode *
+treenode_get_parent(struct treenode *node);
+const char *
+treenode_get_name(struct treenode *node);
+const char *
+treenode_get_pathname(struct treenode *node);
+const char *
+treenode_get_virtname(struct treenode *node);
+mode_t
+treenode_get_mode(struct treenode *node);
+struct stat *
+treenode_get_stat(struct treenode *node);
+
+/** @} */
+
+DPKG_END_DECLS
+
+#endif /* LIBDPKG_TREEWALK_H */