added comment

This commit is contained in:
Roberto Ierusalimschy 2012-12-05 17:49:55 -02:00
parent 0e9167bc72
commit 7ea68d84c4

5
lapi.c
View File

@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 2.168 2012/11/04 20:08:17 roberto Exp roberto $
** $Id: lapi.c,v 2.169 2012/12/05 19:09:23 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@ -196,7 +196,8 @@ LUA_API void lua_insert (lua_State *L, int idx) {
lua_lock(L);
p = index2addr(L, idx);
api_checkstackindex(L, idx, p);
for (q = L->top; q>p; q--) setobjs2s(L, q, q-1);
for (q = L->top; q > p; q--) /* use L->top as a temporary */
setobjs2s(L, q, q - 1);
setobjs2s(L, p, L->top);
lua_unlock(L);
}