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calls with LUA_MULTRET may leave no free slots in the stack

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Roberto Ierusalimschy
2009-07-15 14:35:20 -03:00
parent f76f4cb79d
commit 5bff2aaf47
2 changed files with 5 additions and 2 deletions
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3
lua.c
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@@ -1,5 +1,5 @@
/*
** $Id: lua.c,v 1.172 2009/02/19 17:15:35 roberto Exp roberto $
** $Id: lua.c,v 1.173 2009/06/18 18:59:58 roberto Exp roberto $
** Lua stand-alone interpreter
** See Copyright Notice in lua.h
*/
@@ -218,6 +218,7 @@ static void dotty (lua_State *L) {
if (status == LUA_OK) status = docall(L, 0, 0);
report(L, status);
if (status == LUA_OK && lua_gettop(L) > 0) { /* any result to print? */
luaL_checkstack(L, LUA_MINSTACK, "too many results to print");
lua_getglobal(L, "print");
lua_insert(L, 1);
if (lua_pcall(L, lua_gettop(L)-1, 0, 0) != LUA_OK)