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lua/uloop: make get_sock_fd capable of absolute addresses

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The original code required the use of relative addresses into the lua
stack.  It should accept either.

Signed-off-by: Karl Palsson <karlp@etactica.com>
This commit is contained in:
Karl Palsson 2020-06-30 10:38:42 +00:00 committed by Petr Štetiar
parent 161c25960b
commit c0941d3289
1 changed files with 2 additions and 1 deletions
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3
lua/uloop.c
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@ -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);