Signed-off-by: Daniel Lezcano <[email protected]>
---
tree.c | 14 ++++++++++++++
tree.h | 2 ++
2 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/tree.c b/tree.c
index 0a9c119..516e832 100644
--- a/tree.c
+++ b/tree.c
@@ -224,6 +224,20 @@ int tree_for_each(struct tree *tree, tree_cb_t cb, void
*data)
return tree_for_each(tree->next, cb, data);
}
+int tree_for_each_reverse(struct tree *tree, tree_cb_t cb, void *data)
+{
+ if (!tree)
+ return 0;
+
+ if (cb(tree, data))
+ return -1;
+
+ if (tree_for_each_reverse(tree->prev, cb, data))
+ return -1;
+
+ return tree_for_each_reverse(tree->parent, cb, data);
+}
+
int tree_for_each_parent(struct tree *tree, tree_cb_t cb, void *data)
{
if (!tree)
diff --git a/tree.h b/tree.h
index 176dd23..2af4a5a 100644
--- a/tree.h
+++ b/tree.h
@@ -46,4 +46,6 @@ extern struct tree *tree_find(struct tree *tree, const char
*name);
extern int tree_for_each(struct tree *tree, tree_cb_t cb, void *data);
+extern int tree_for_each_reverse(struct tree *tree, tree_cb_t cb, void *data);
+
extern int tree_for_each_parent(struct tree *tree, tree_cb_t cb, void *data);
--
1.7.1
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