/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ /* * This file is part of LibreOffice published API. */ #ifndef INCLUDED_SAL_MACROS_H #define INCLUDED_SAL_MACROS_H #include <stddef.h> #ifndef SAL_N_ELEMENTS # if defined(__cplusplus) && ( defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L ) /* * Magic template to calculate at compile time the number of elements * in an array. Enforcing that the argument must be an array and not * a pointer, e.g. * char *pFoo="foo"; * SAL_N_ELEMENTS(pFoo); * fails while * SAL_N_ELEMENTS("foo"); * or * char aFoo[]="foo"; * SAL_N_ELEMENTS(aFoo); * pass * * Unfortunately if arr is an array of an anonymous class then we need * C++0x, i.e. see * http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#757 */ template <typename T, size_t S> char (&sal_n_array_size( T(&)[S] ))[S]; # define SAL_N_ELEMENTS(arr) (sizeof(sal_n_array_size(arr))) # else # define SAL_N_ELEMENTS(arr) (sizeof (arr) / sizeof ((arr)[0])) # endif #endif #ifndef SAL_STRINGIFY # define SAL_STRINGIFY_ARG(x) #x # define SAL_STRINGIFY(x) SAL_STRINGIFY_ARG(x) #endif #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */