From 10de467c794a536902755c236933623767bb452e Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Fri, 10 Oct 2003 10:29:28 -0300
Subject: [PATCH] new function `lua_createtable'

---
 lapi.c   | 6 +++---
 liolib.c | 4 ++--
 ltests.c | 9 ++++-----
 lua.h    | 6 ++++--
 4 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/lapi.c b/lapi.c
index 16686e7e..2e5366ba 100644
--- a/lapi.c
+++ b/lapi.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lapi.c,v 1.245 2003/10/07 20:13:41 roberto Exp roberto $
+** $Id: lapi.c,v 1.246 2003/10/10 12:57:55 roberto Exp roberto $
 ** Lua API
 ** See Copyright Notice in lua.h
 */
@@ -532,10 +532,10 @@ LUA_API void lua_rawgeti (lua_State *L, int idx, int n) {
 }
 
 
-LUA_API void lua_newtable (lua_State *L) {
+LUA_API void lua_createtable (lua_State *L, int narray, int nrec) {
   lua_lock(L);
   luaC_checkGC(L);
-  sethvalue(L->top, luaH_new(L, 0, 0));
+  sethvalue(L->top, luaH_new(L, narray, luaO_log2(nrec) + 1));
   api_incr_top(L);
   lua_unlock(L);
 }
diff --git a/liolib.c b/liolib.c
index 3846360a..a2e22c4d 100644
--- a/liolib.c
+++ b/liolib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: liolib.c,v 2.47 2003/10/07 20:13:41 roberto Exp roberto $
+** $Id: liolib.c,v 2.48 2003/10/10 12:57:55 roberto Exp roberto $
 ** Standard I/O (and system) library
 ** See Copyright Notice in lua.h
 */
@@ -628,7 +628,7 @@ static int io_date (lua_State *L) {
   if (stm == NULL)  /* invalid date? */
     lua_pushnil(L);
   else if (strcmp(s, "*t") == 0) {
-    lua_newtable(L);
+    lua_createtable(L, 0, 9);  /* 9 = number of fields */
     setfield(L, "sec", stm->tm_sec);
     setfield(L, "min", stm->tm_min);
     setfield(L, "hour", stm->tm_hour);
diff --git a/ltests.c b/ltests.c
index 63e3cc5e..05d2ab16 100644
--- a/ltests.c
+++ b/ltests.c
@@ -1,5 +1,5 @@
 /*
-** $Id: ltests.c,v 1.164 2003/10/02 20:31:17 roberto Exp roberto $
+** $Id: ltests.c,v 1.165 2003/10/07 20:13:41 roberto Exp roberto $
 ** Internal Module for Debugging of the Lua Implementation
 ** See Copyright Notice in lua.h
 */
@@ -207,11 +207,10 @@ static int listk (lua_State *L) {
   luaL_argcheck(L, lua_isfunction(L, 1) && !lua_iscfunction(L, 1),
                  1, "Lua function expected");
   p = clvalue(func_at(L, 1))->l.p;
-  lua_newtable(L);
+  lua_createtable(L, p->sizek, 0);
   for (i=0; i<p->sizek; i++) {
-    lua_pushinteger(L, i+1);
     luaA_pushobject(L, p->k+i);
-    lua_settable(L, -3);
+    lua_rawseti(L, -2, i+1);
   }
   return 1;
 }
@@ -236,7 +235,7 @@ static int listlocals (lua_State *L) {
 
 
 static int get_limits (lua_State *L) {
-  lua_newtable(L);
+  lua_createtable(L, 0, 5);
   setnameval(L, "BITS_INT", BITS_INT);
   setnameval(L, "LFPF", LFIELDS_PER_FLUSH);
   setnameval(L, "MAXVARS", MAXVARS);
diff --git a/lua.h b/lua.h
index 4e4d5c45..04f83578 100644
--- a/lua.h
+++ b/lua.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lua.h,v 1.180 2003/10/07 20:13:41 roberto Exp roberto $
+** $Id: lua.h,v 1.181 2003/10/10 12:57:55 roberto Exp roberto $
 ** Lua - An Extensible Extension Language
 ** Tecgraf: Computer Graphics Technology Group, PUC-Rio, Brazil
 ** http://www.lua.org	mailto:info@lua.org
@@ -185,7 +185,7 @@ LUA_API void  lua_gettable (lua_State *L, int idx);
 LUA_API void  lua_getfield (lua_State *L, int idx, const char *k);
 LUA_API void  lua_rawget (lua_State *L, int idx);
 LUA_API void  lua_rawgeti (lua_State *L, int idx, int n);
-LUA_API void  lua_newtable (lua_State *L);
+LUA_API void  lua_createtable (lua_State *L, int narr, int nrec);
 LUA_API void *lua_newuserdata (lua_State *L, size_t sz);
 LUA_API int   lua_getmetatable (lua_State *L, int objindex);
 LUA_API void  lua_getfenv (lua_State *L, int idx);
@@ -254,6 +254,8 @@ LUA_API void  lua_concat (lua_State *L, int n);
 
 #define lua_pop(L,n)		lua_settop(L, -(n)-1)
 
+#define lua_newtable(L)		lua_createtable(L, 0, 0)
+
 #define lua_register(L,n,f) \
 	(lua_pushstring(L, n), \
 	 lua_pushcfunction(L, f), \