1  /* getpagesize emulation for systems where it cannot be done in a C macro.
       2  
       3     Copyright (C) 2007, 2009-2021 Free Software Foundation, Inc.
       4  
       5     This program is free software: you can redistribute it and/or modify
       6     it under the terms of the GNU General Public License as published by
       7     the Free Software Foundation; either version 3 of the License, or
       8     (at your option) any later version.
       9  
      10     This program is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13     GNU General Public License for more details.
      14  
      15     You should have received a copy of the GNU General Public License
      16     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      17  
      18  /* Written by Bruno Haible and Martin Lambers.  */
      19  
      20  #include <config.h>
      21  
      22  /* Specification. */
      23  #include <unistd.h>
      24  
      25  /* This implementation is only for native Windows systems.  */
      26  #if defined _WIN32 && ! defined __CYGWIN__
      27  
      28  # define WIN32_LEAN_AND_MEAN
      29  # include <windows.h>
      30  
      31  int
      32  getpagesize (void)
      33  {
      34    SYSTEM_INFO system_info;
      35    GetSystemInfo (&system_info);
      36    return system_info.dwPageSize;
      37  }
      38  
      39  #endif