b1fb6338cf
Change-Id: I744788bde9778f85ccd9d7667e19d16842900a29 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/110248 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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/*
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* This file is part of LibreOffice published API.
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*/
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#ifndef INCLUDED_SAL_MACROS_H
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#define INCLUDED_SAL_MACROS_H
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#include <stddef.h>
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#ifndef SAL_N_ELEMENTS
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# if defined(__cplusplus) && ( defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L )
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/*
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* Magic template to calculate at compile time the number of elements
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* in an array. Enforcing that the argument must be an array and not
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* a pointer, e.g.
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* char *pFoo="foo";
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* SAL_N_ELEMENTS(pFoo);
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* fails while
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* SAL_N_ELEMENTS("foo");
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* or
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* char aFoo[]="foo";
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* SAL_N_ELEMENTS(aFoo);
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* pass
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*
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* Unfortunately if arr is an array of an anonymous class then we need
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* C++0x, i.e. see
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* http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#757
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*/
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template <typename T, size_t S> char (&sal_n_array_size( T(&)[S] ))[S];
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# define SAL_N_ELEMENTS(arr) (sizeof(sal_n_array_size(arr)))
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# else
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# define SAL_N_ELEMENTS(arr) (sizeof (arr) / sizeof ((arr)[0]))
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# endif
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#endif
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#ifndef SAL_STRINGIFY
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# define SAL_STRINGIFY_ARG(x) #x
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# define SAL_STRINGIFY(x) SAL_STRINGIFY_ARG(x)
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#endif
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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