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small bug in 'luaV_concat' (L->top was left incorrect in some cases)

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Roberto Ierusalimschy
2009-05-27 14:11:27 -03:00
parent 139d562861
commit 57f8414de1
4 changed files with 28 additions and 29 deletions
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5
lapi.c
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@@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 2.75 2009/04/17 14:28:06 roberto Exp roberto $
** $Id: lapi.c,v 2.76 2009/04/17 22:00:01 roberto Exp $
** Lua API
** See Copyright Notice in lua.h
*/
@@ -1017,8 +1017,7 @@ LUA_API void lua_concat (lua_State *L, int n) {
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);
luaV_concat(L, n);
}
else if (n == 0) { /* push empty string */
setsvalue2s(L, L->top, luaS_newlstr(L, "", 0));