shithub: lua9

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Fixed error reporting

	Errors raised from lua were never displayed. We now get the error
	from the stack and display it when the result of the call to dofile
	is not LUA_OK.

--- a/lua9.c

+++ b/lua9.c

@@ -24,7 +24,7 @@

 {

 	lua_State *L;

 	luaL_Reg *lib;

-	char *f = NULL;

+	char *s;

 	int r;

 	L = luaL_newstate();

@@ -34,6 +34,10 @@

 		lua_pop(L, 1);

 	}

 	r = luaL_dofile(L, argc > 1 ? argv[1] : NULL);

+	if(r != LUA_OK){

+		s = luaL_checkstring(L, lua_gettop(L));

+		fprintf(stderr, "error: %s\n", s);

+	}

 	lua_close(L);

-	return f == LUA_OK;

+	return r == LUA_OK;

 }