From 0183b8030c80f57b87874ff7867ccdb172d9d3dc Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Thu, 28 Dec 2000 10:55:41 -0200
Subject: `free' gets size of the block: complete control over memory use

---
 ltable.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

(limited to 'ltable.c')

diff --git a/ltable.c b/ltable.c
index 82f47808..1895029c 100644
--- a/ltable.c
+++ b/ltable.c
@@ -1,5 +1,5 @@
 /*
-** $Id: ltable.c,v 1.60 2000/12/04 18:33:40 roberto Exp roberto $
+** $Id: ltable.c,v 1.61 2000/12/22 16:57:46 roberto Exp roberto $
 ** Lua tables (hash)
 ** See Copyright Notice in lua.h
 */
@@ -27,9 +27,6 @@
 #include "ltable.h"
 
 
-#define gcsize(L, n)	(sizeof(Hash)+(n)*sizeof(Node))
-
-
 
 #define TagDefault LUA_TTABLE
 
@@ -167,8 +164,6 @@ static void setnodevector (lua_State *L, Hash *t, luint32 size) {
     ttype(&t->node[i].key) = ttype(&t->node[i].val) = LUA_TNIL;
     t->node[i].next = NULL;
   }
-  L->nblocks -= gcsize(L, t->size);  /* old size */
-  L->nblocks += gcsize(L, size);  /* new size */
   t->size = size;
   t->firstfree = &t->node[size-1];  /* first free position to be used */
 }
@@ -181,7 +176,6 @@ Hash *luaH_new (lua_State *L, int size) {
   L->roottable = t;
   t->mark = t;
   t->size = 0;
-  L->nblocks += gcsize(L, 0);
   t->node = NULL;
   setnodevector(L, t, luaO_power2(size));
   return t;
@@ -189,9 +183,8 @@ Hash *luaH_new (lua_State *L, int size) {
 
 
 void luaH_free (lua_State *L, Hash *t) {
-  L->nblocks -= gcsize(L, t->size);
-  luaM_free(L, t->node);
-  luaM_free(L, t);
+  luaM_freearray(L, t->node, t->size, Node);
+  luaM_freelem(L, t, Hash);
 }
 
 
@@ -226,7 +219,7 @@ static void rehash (lua_State *L, Hash *t) {
     if (ttype(&old->val) != LUA_TNIL)
       *luaH_set(L, t, &old->key) = old->val;
   }
-  luaM_free(L, nold);  /* free old array */
+  luaM_freearray(L, nold, oldsize, Node);  /* free old array */
 }
 
 
-- 
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