/* Emulate getpagesize on systems that lack it. Copyright (C) 1999, 2000, 2004 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef HAVE_GETPAGESIZE #ifdef HAVE_UNISTD_H # include <unistd.h> #endif #if !defined getpagesize && defined _SC_PAGESIZE # if !(defined VMS && __VMS_VER < 70000000) # define getpagesize() sysconf (_SC_PAGESIZE) # endif #endif #if !defined getpagesize && defined VMS # ifdef __ALPHA # define getpagesize() 8192 # else # define getpagesize() 512 # endif #endif /* This is for BeOS. */ #if !defined getpagesize && HAVE_OS_H # include <OS.h> # if defined B_PAGE_SIZE # define getpagesize() B_PAGE_SIZE # endif #endif #if !defined getpagesize && HAVE_SYS_PARAM_H # include <sys/param.h> # ifdef EXEC_PAGESIZE # define getpagesize() EXEC_PAGESIZE # else # ifdef NBPG # ifndef CLSIZE # define CLSIZE 1 # endif # define getpagesize() (NBPG * CLSIZE) # else # ifdef NBPC # define getpagesize() NBPC # endif # endif # endif #endif #endif /* not HAVE_GETPAGESIZE */