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detail (use new returned value from 'lua_getglobal' )

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This commit is contained in:
Roberto Ierusalimschy 2014-11-11 17:41:27 -02:00
parent b401d37188
commit 87b179e71d
1 changed files with 2 additions and 3 deletions
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5
lua.c
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@ -1,5 +1,5 @@
/* /*
** $Id: lua.c,v 1.220 2014/11/02 19:19:04 roberto Exp roberto $ ** $Id: lua.c,v 1.221 2014/11/02 19:33:33 roberto Exp roberto $
** Lua stand-alone interpreter ** Lua stand-alone interpreter
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -422,8 +422,7 @@ static void doREPL (lua_State *L) {
*/ */
static int pushargs (lua_State *L) { static int pushargs (lua_State *L) {
int i, n; int i, n;
lua_getglobal(L, "arg"); if (lua_getglobal(L, "arg") != LUA_TTABLE)
if (!lua_istable(L, -1))
luaL_error(L, "'arg' is not a table"); luaL_error(L, "'arg' is not a table");
n = (int)luaL_len(L, -1); n = (int)luaL_len(L, -1);
luaL_checkstack(L, n + 3, "too many arguments to script"); luaL_checkstack(L, n + 3, "too many arguments to script");