From c0941d3289fc0f1468ad6384f7af141cfd4adead Mon Sep 17 00:00:00 2001 From: Karl Palsson Date: Tue, 30 Jun 2020 10:38:42 +0000 Subject: [PATCH] lua/uloop: make get_sock_fd capable of absolute addresses The original code required the use of relative addresses into the lua stack. It should accept either. Signed-off-by: Karl Palsson --- lua/uloop.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lua/uloop.c b/lua/uloop.c index fcbe274..394970d 100644 --- a/lua/uloop.c +++ b/lua/uloop.c @@ -188,7 +188,8 @@ static int get_sock_fd(lua_State* L, int idx) { lua_getfield(L, idx, "getfd"); if(lua_isnil(L, -1)) return luaL_error(L, "socket type missing 'getfd' method"); - lua_pushvalue(L, idx - 1); + /* if we have absolute, no need to adjust for getfield() call */ + lua_pushvalue(L, idx > 0 ? idx: idx - 1); lua_call(L, 1, 1); fd = lua_tointeger(L, -1); lua_pop(L, 1);