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58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
/*
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* Copyright © 2018 Endless Mobile, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Philip Withnall <withnall@endlessm.com>
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*/
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#ifndef __G_UTILS_PRIVATE_H__
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#define __G_UTILS_PRIVATE_H__
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#include "glibconfig.h"
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#include "gtypes.h"
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#include "gtestutils.h"
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G_BEGIN_DECLS
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GLIB_AVAILABLE_IN_2_60
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void g_set_user_dirs (const gchar *first_dir_type,
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...) G_GNUC_NULL_TERMINATED;
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/* Returns the smallest power of 2 greater than or equal to n,
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* or 0 if such power does not fit in a gsize
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*/
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static inline gsize
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g_nearest_pow (gsize num)
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{
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gsize n = num - 1;
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g_assert (num > 0 && num <= G_MAXSIZE / 2);
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n |= n >> 1;
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n |= n >> 2;
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n |= n >> 4;
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n |= n >> 8;
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n |= n >> 16;
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#if GLIB_SIZEOF_SIZE_T == 8
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n |= n >> 32;
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#endif
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return n + 1;
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}
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G_END_DECLS
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#endif /* __G_UTILS_PRIVATE_H__ */
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