size of short strings stored in a single byte, to reduce the size

of struct 'TString'

1 files changed, 6 insertions, 4 deletions

diff --git a/lapi.c b/lapi.c
index c2ef6019..9d6123ce 100644
--- a/lapi.c
+++ b/lapi.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lapi.c,v 2.243 2014/11/12 13:28:54 roberto Exp roberto $
+** $Id: lapi.c,v 2.244 2014/12/26 14:43:45 roberto Exp roberto $
 ** Lua API
 ** See Copyright Notice in lua.h
 */
@@ -382,15 +382,17 @@ LUA_API const char *lua_tolstring (lua_State *L, int idx, size_t *len) {
     luaO_tostring(L, o);
     lua_unlock(L);
   }
-  if (len != NULL) *len = tsvalue(o)->len;
+  if (len != NULL)
+    *len = vslen(o);
   return svalue(o);
 }
 
 
 LUA_API size_t lua_rawlen (lua_State *L, int idx) {
   StkId o = index2addr(L, idx);
-  switch (ttnov(o)) {
-    case LUA_TSTRING: return tsvalue(o)->len;
+  switch (ttype(o)) {
+    case LUA_TSHRSTR: return tsvalue(o)->shrlen;
+    case LUA_TLNGSTR: return tsvalue(o)->u.lnglen;
     case LUA_TUSERDATA: return uvalue(o)->len;
     case LUA_TTABLE: return luaH_getn(hvalue(o));
     default: return 0;