Add pointer to parent for each node.

diff --git a/libexfat/exfat.h b/libexfat/exfat.h
index ba19bac..5887a43 100644 (file)
--- a/libexfat/exfat.h
+++ b/libexfat/exfat.h
@@ -34,6 +34,7 @@
 
 struct exfat_node
 {
+       struct exfat_node* parent;
        struct exfat_node* child;
        struct exfat_node* next;
        struct exfat_node* prev;

diff --git a/libexfat/node.c b/libexfat/node.c
index 6ea45ee..071d463 100644 (file)
--- a/libexfat/node.c
+++ b/libexfat/node.c
@@ -326,6 +326,7 @@ int exfat_cache_directory(struct exfat* ef, struct exfat_node* dir)
        opendir(dir, &it);
        while ((rc = readdir(ef, dir, &node, &it)) == 0)
        {
+               node->parent = dir;
                if (current != NULL)
                {
                        current->next = node;