From 5ace4d77c714e52aa141a0f174819c199a3d31e3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Mon, 29 Apr 2019 18:49:44 +0200
Subject: [PATCH] yml: handle root's node being NULL

---
 yml.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/yml.c b/yml.c
index 5369b5f..3bda708 100644
--- a/yml.c
+++ b/yml.c
@@ -572,11 +572,14 @@ yml_is_list(const struct yml_node *node)
  const struct yml_node *
 yml_get_value(const struct yml_node *node, const char *_path)
 {
-    char *path = strdup(_path);
-
-    if (node->type == ROOT)
+    if (node != NULL && node->type == ROOT)
         node = node->root.root;
 
+    if (node == NULL)
+        return NULL;
+
+    char *path = strdup(_path);
+
     for (const char *part = strtok(path, "."), *next_part = strtok(NULL, ".");
          part != NULL;
          part = next_part, next_part = strtok(NULL, "."))
@@ -779,6 +782,9 @@ yml_source_column(const struct yml_node *node)
 static void
 _print_node(const struct yml_node *n, int indent)
 {
+    if (n == NULL)
+        return;
+
     switch (n->type) {
     case ROOT:
         _print_node(n->root.root, indent);