lib/getpagesize.c

   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