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-rw-r--r--lib/dirtree.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/dirtree.c b/lib/dirtree.c
index df95e918..60ce56b8 100644
--- a/lib/dirtree.c
+++ b/lib/dirtree.c
@@ -71,12 +71,16 @@ error:
// Return path to this node, assembled recursively.
+// Initial call can pass in NULL to plen, or point to an int initialized to 0
+// to return the length of the path, or a value greater than 0 to allocate
+// extra space if you want to append your own text to the string.
+
char *dirtree_path(struct dirtree *node, int *plen)
{
char *path;
int len;
- if (!node || !node->name) {
+ if (!node) {
path = xmalloc(*plen);
*plen = 0;
return path;