Function S_node_unlink

src/node.c:671–693

Unlink a node without adjusting its next, prev, and parent pointers.

// Unlink a node without adjusting its next, prev, and parent pointers.
static void S_node_unlink(cmark_node *node) {
  if (node == NULL) {
    return;
  }

  if (node->prev) {
    node->prev->next = node->next;
  }
  if (node->next) {
    node->next->prev = node->prev;
  }

  // Adjust first_child and last_child of parent.
  cmark_node *parent = node->parent;
  if (parent) {
    if (parent->first_child == node) {
      parent->first_child = node->next;
    }
    if (parent->last_child == node) {
      parent->last_child = node->prev;
    }
  }
}

void cmark_node_unlink(cmark_node *node) {
  S_node_unlink(node);