(root)/
glib-2.79.0/
glib/
gutilsprivate.h
       1  /*
       2   * Copyright © 2018 Endless Mobile, Inc.
       3   *
       4   * SPDX-License-Identifier: LGPL-2.1-or-later
       5   *
       6   * This library is free software; you can redistribute it and/or
       7   * modify it under the terms of the GNU Lesser General Public
       8   * License as published by the Free Software Foundation; either
       9   * version 2.1 of the License, or (at your option) any later version.
      10   *
      11   * This library is distributed in the hope that it will be useful,
      12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14   * Lesser General Public License for more details.
      15   *
      16   * You should have received a copy of the GNU Lesser General Public
      17   * License along with this library; if not, see <http://www.gnu.org/licenses/>.
      18   *
      19   * Author: Philip Withnall <withnall@endlessm.com>
      20   */
      21  
      22  #ifndef __G_UTILS_PRIVATE_H__
      23  #define __G_UTILS_PRIVATE_H__
      24  
      25  #include "glibconfig.h"
      26  #include "gtypes.h"
      27  #include "gtestutils.h"
      28  
      29  #include <time.h>
      30  
      31  G_BEGIN_DECLS
      32  
      33  void g_set_user_dirs (const gchar *first_dir_type,
      34                        ...) G_GNUC_NULL_TERMINATED;
      35  
      36  /* Returns the smallest power of 2 greater than or equal to n,
      37   * or 0 if such power does not fit in a gsize
      38   */
      39  static inline gsize
      40  g_nearest_pow (gsize num)
      41  {
      42    gsize n = num - 1;
      43  
      44    g_assert (num > 0 && num <= G_MAXSIZE / 2);
      45  
      46    n |= n >> 1;
      47    n |= n >> 2;
      48    n |= n >> 4;
      49    n |= n >> 8;
      50    n |= n >> 16;
      51  #if GLIB_SIZEOF_SIZE_T == 8
      52    n |= n >> 32;
      53  #endif
      54  
      55    return n + 1;
      56  }
      57  
      58  void _g_unset_cached_tmp_dir (void);
      59  
      60  gboolean _g_localtime (time_t timet, struct tm *tm);
      61  
      62  gboolean g_set_prgname_once (const gchar *prgname);
      63  
      64  G_END_DECLS
      65  
      66  #endif /* __G_UTILS_PRIVATE_H__ */