lib/getpagesize.c

   1 /* getpagesize emulation for systems where it cannot be done in a C macro.
   2
   3    Copyright (C) 2007, 2009-2025 Free Software Foundation, Inc.
   4
   5    This file is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU Lesser General Public License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    License, or (at your option) any later version.
   9
  10    This file 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 Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser 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 #define _GL_GETPAGESIZE_INLINE _GL_EXTERN_INLINE
  24 #include <unistd.h>
  25
  26 /* This implementation is only for native Windows systems.  */
  27 #if defined _WIN32 && ! defined __CYGWIN__
  28
  29 # define WIN32_LEAN_AND_MEAN
  30 # include <windows.h>
  31
  32 int
  33 getpagesize (void)
  34 {
  35   SYSTEM_INFO system_info;
  36   GetSystemInfo (&system_info);
  37   return system_info.dwPageSize;
  38 }
  39
  40 #endif