From 205ee1ec84c0f0e9c2df923fdcfa29207e8e72b3 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Tue, 11 Feb 1997 09:40:01 -0200
Subject: userdata can handle arbitrary binary data; user tag is stored with
 data;

---
 tree.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'tree.h')

diff --git a/tree.h b/tree.h
index ebdad6e0..4f2212b4 100644
--- a/tree.h
+++ b/tree.h
@@ -1,7 +1,7 @@
 /*
 ** tree.h
 ** TecCGraf - PUC-Rio
-** $Id: tree.h,v 1.13 1996/02/14 13:35:51 roberto Exp roberto $
+** $Id: tree.h,v 1.14 1996/02/26 17:07:49 roberto Exp roberto $
 */
 
 #ifndef tree_h
@@ -14,15 +14,18 @@
 
 typedef struct TaggedString
 {
+  int tag;  /* if != LUA_T_STRING, this is a userdata */
+  long size;
   Word varindex;  /* != NOT_USED  if this is a symbol */
   Word constindex;  /* != NOT_USED  if this is a constant */
   unsigned long hash;  /* 0 if not initialized */
   int marked;   /* for garbage collection; never collect (nor change) if > 1 */
-  char str[1];   /* \0 byte already reserved */
+  char str[1];   /* \0 byte already reserved; MAY BE NOT 0 TERMINATED!! */
 } TaggedString;
  
 
 TaggedString *lua_createstring (char *str);
+TaggedString *luaI_createuserdata (char *buff, long size, int tag);
 Long lua_strcollector (void);
 
 #endif
-- 
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