1 files changed, 34 insertions, 1 deletions
diff --git a/src/nbt/nbt.c b/src/nbt/nbt.c
index 5948bce..596ec1c 100644
--- a/src/nbt/nbt.c
+++ b/src/nbt/nbt.c
@@ -6,6 +6,29 @@
 #include <stdlib.h>
 #include <string.h>
 
+const char *const nbt__type_names[] = {
+  "TAG_End",
+  "TAG_Byte",
+  "TAG_Short",
+  "TAG_Int",
+  "TAG_Long",
+  "TAG_Float",
+  "TAG_Double",
+  "TAG_Byte_Array",
+  "TAG_String",
+  "TAG_List",
+  "TAG_Compound",
+  "TAG_Int_Array",
+  "TAG_Long_Array",
+  NULL
+};
+
+nbt_type_t nbt_tag_type(nbt_tag_t *tag)
+{
+  if (!tag) return NBT_TAG_END;
+  return tag->type;
+}
+
 nbt_tag_t *nbt__new_val(nbt_type_t type)
 {
   nbt_tag_t *tag = calloc(1, sizeof(nbt_tag_t));
@@ -117,11 +140,15 @@ nbt_tag_t *nbt_listn(nbt_size_t cap)
 {
   nbt_tag_t *tag = nbt__new_val(NBT_TAG_LIST);
   if (!tag) return NULL;
-  if (!cap) cap = 16;
 
   tag->value.nbt_list.len = 0;
   tag->value.nbt_list.cap = cap;
 
+  if (!cap) {
+    tag->value.nbt_list.ptags = NULL;
+    return tag;
+  }
+
   nbt_tag_t **tags = calloc(cap, sizeof(nbt_tag_t *));
   if (!tags) goto cleanup;
 
@@ -205,3 +232,9 @@ void nbt__tag_free(nbt_tag_t *tag)
 
   free(tag);
 }
+
+const char *nbt_typestr(nbt_type_t type)
+{
+  if (type < 0 || type >= NBT_TAG_MAX) return NULL;
+  return nbt__type_names[type];
+}