| /* GLIB - Library of useful routines for C programming |
| * Copyright (C) 2021 Iain Lane, Xavier Claessens |
| * |
| * 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 2.1 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 <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef __GLIB_TYPEOF_H__ |
| #define __GLIB_TYPEOF_H__ |
| |
| #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) |
| #error "Only <glib.h> can be included directly." |
| #endif |
| |
| #include <glib/gversionmacros.h> |
| |
| /* |
| * We can only use __typeof__ on GCC >= 4.8, and not when compiling C++. Since |
| * __typeof__ is used in a few places in GLib, provide a pre-processor symbol |
| * to factor the check out from callers. |
| * |
| * This symbol is private. |
| */ |
| #undef glib_typeof |
| #if !defined(__cplusplus) && (G_GNUC_CHECK_VERSION(4, 8) || defined(__clang__)) |
| #define glib_typeof(t) __typeof__ (t) |
| #elif defined(__cplusplus) && __cplusplus >= 201103L && GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_68 |
| /* C++11 decltype() is close enough for our usage */ |
| #include <type_traits> |
| #define glib_typeof(t) typename std::remove_reference<decltype (t)>::type |
| #endif |
| |
| #endif /* __GLIB_TYPEOF_H__ */ |
