From 1a343814d8da9f9c2067d6ca3d82d57c84f91f10 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Sun, 31 Jul 2005 14:12:32 -0300
Subject: [PATCH] details

---
 lapi.c    | 10 +++++-----
 lobject.c |  7 +++----
 2 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/lapi.c b/lapi.c
index e401b7b1..6efdb505 100644
--- a/lapi.c
+++ b/lapi.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lapi.c,v 2.44 2005/07/05 14:30:31 roberto Exp roberto $
+** $Id: lapi.c,v 2.45 2005/07/06 18:07:30 roberto Exp roberto $
 ** Lua API
 ** See Copyright Notice in lua.h
 */
@@ -113,11 +113,11 @@ LUA_API void lua_xmove (lua_State *from, lua_State *to, int n) {
   if (from == to) return;
   lua_lock(to);
   api_checknelems(from, n);
-  api_check(L, G(from) == G(to));
+  api_check(from, G(from) == G(to));
+  api_check(from, to->ci->top - to->top >= n);
   from->top -= n;
   for (i = 0; i < n; i++) {
-    setobj2s(to, to->top, from->top + i);
-    api_incr_top(to);
+    setobj2s(to, to->top++, from->top + i);
   }
   lua_unlock(to);
 }
@@ -975,9 +975,9 @@ LUA_API int lua_next (lua_State *L, int idx) {
 
 LUA_API void lua_concat (lua_State *L, int n) {
   lua_lock(L);
-  luaC_checkGC(L);
   api_checknelems(L, n);
   if (n >= 2) {
+    luaC_checkGC(L);
     luaV_concat(L, n, cast(int, L->top - L->base) - 1);
     L->top -= (n-1);
   }
diff --git a/lobject.c b/lobject.c
index fd522394..1f8a018c 100644
--- a/lobject.c
+++ b/lobject.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lobject.c,v 2.15 2005/05/31 14:25:18 roberto Exp roberto $
+** $Id: lobject.c,v 2.16 2005/07/11 14:00:14 roberto Exp roberto $
 ** Some generic functions over Lua objects
 ** See Copyright Notice in lua.h
 */
@@ -89,11 +89,10 @@ int luaO_rawequalObj (const TValue *t1, const TValue *t2) {
 
 int luaO_str2d (const char *s, lua_Number *result) {
   char *endptr;
-  lua_Number res = lua_str2number(s, &endptr);
-  if (endptr == s) return 0;  /* no conversion */
+  *result = lua_str2number(s, &endptr);
+  if (endptr == s) return 0;  /* conversion failed */
   while (isspace(cast(unsigned char, *endptr))) endptr++;
   if (*endptr != '\0') return 0;  /* invalid trailing characters? */
-  *result = res;
   return 1;
 }