Move nothing when there is nothing to move

This commit is contained in:
Roberto Ierusalimschy 2003-07-07 10:34:25 -03:00
parent 0ec4c473df
commit a73ded2153

3
lapi.c
View File

@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 1.238 2003/05/09 20:16:54 roberto Exp roberto $
** $Id: lapi.c,v 1.239 2003/05/14 21:06:56 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@ -96,6 +96,7 @@ LUA_API int lua_checkstack (lua_State *L, int size) {
LUA_API void lua_xmove (lua_State *from, lua_State *to, int n) {
int i;
if (from == to) return;
lua_lock(to);
api_checknelems(from, n);
from->top -= n;