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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /include/sal/macros.h
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/sal/macros.h')
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diff --git a/include/sal/macros.h b/include/sal/macros.h
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+/* -*- 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: */