* Copyright (C) 2011-2020 Gary Kramlich <grim@reaperworld.com> * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <https://www.gnu.org/licenses/>. _add_require_path(lua_State *L, const char *path) const char *pkg_path = NULL; lua_getglobal(L, "package"); "path"); // get field "path" from table at top of stack (-1) pkg_path = lua_tostring(L, -1); // grab path string from top of stack memset(buff, 0, sizeof(buff)); snprintf(buff, sizeof(buff), "%s;%s", pkg_path, path); lua_pop(L, 1); // pop off the path field lua_pushstring(L, buff); // push the new one lua_setfield(L, -2, "path"); // set the field "path" in table at -2 with lua_pop(L, 1); // get rid of package table from top of stack main(int argc, char *argv[]) /* add some additional paths to package.path */ //_add_require_path(L, "/usr/local/lib/luarocks/rocks"); /* now try to do the require */ lua_getglobal(L, "require"); lua_pushstring(L, "lgi"); ret = lua_pcall(L, 1, 1, 0); fprintf(stderr, "%s\n", lua_tostring(L, -1));