File

util-src/compat.c @ 12605:053417068957

doap: Update XEP versions for which no code changes appear needed XEP-0004: Partial forms are handled XEP-0045: We're already strict with GC 1.0 XEP-0060: Change in semantics wrt 'pubsub#type', but not in code XEP-0115: No protocol change XEP-0138: Specification moved to Obsolete XEP-0163: Editorial only change XEP-0215: Minor schema change XEP-0280: Editorial change XEP-0297: Had the wrong version number XEP-0106: Note missing piece for version 1.1 XEP-0313: Editorial change XEP-0363: Editorial clarification, no code change required XEP-0380: Registry additions, no code change needed XEP-0384: Not directly supported, only here because people will ask otherwise XEP-0445: Broken out of XEP-0401
author Kim Alvefur <zash@zash.se>
date Mon, 08 Aug 2022 20:33:44 +0200
parent 9561:cfc7b2f7251e
child 12976:a187600ec7d6
line wrap: on
line source


#include <lua.h>
#include <lauxlib.h>


static int lc_xpcall (lua_State *L) {
  int ret;
  int n_arg = lua_gettop(L);
  /* f, msgh, p1, p2... */
  luaL_argcheck(L, n_arg >= 2, 2, "value expected");
  lua_pushvalue(L, 1);  /* f to top */
  lua_pushvalue(L, 2);  /* msgh to top */
  lua_replace(L, 1); /* msgh to 1 */
  lua_replace(L, 2); /* f to 2 */
  /* msgh, f, p1, p2... */
  ret = lua_pcall(L, n_arg - 2, LUA_MULTRET, 1);
  lua_pushboolean(L, ret == 0);
  lua_replace(L, 1);
  return lua_gettop(L);
}

int luaopen_util_compat(lua_State *L) {
	lua_createtable(L, 0, 2);
	{
		lua_pushcfunction(L, lc_xpcall);
		lua_setfield(L, -2, "xpcall");
	}
	return 1;
}