/* * The Rin Library – special definitions * * Copyright (C) 2015 Gediminas Jakutis * * 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; version 2.1 * of the License. * * This program 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, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #ifndef LIBRIN_DEFINITIONS_INCLUDED #define LIBRIN_DEFINITIONS_INCLUDED #ifdef __GNUC__ # define WEAK_SYM __attribute__((weak)) #elif defined(_MSC_VER) # define WEAK_SYM __declspec(selectany) #else # define WEAK_SYM #endif #define rin_once(func) \ do { \ static unsigned int __rin_firstrun = 1; \ if (__rin_firstrun) { \ --__rin_firstrun; \ func; \ } \ } while (0) #endif /* LIBRIN_DEFINITIONS_INCLUDED */