1 files changed, 68 insertions, 0 deletions
diff --git a/lib/getpagesize.h b/lib/getpagesize.h
new file mode 100644
index 0000000..8863336
--- /dev/null
+++ b/lib/getpagesize.h
@@ -0,0 +1,68 @@
+/* Emulate getpagesize on systems that lack it.
+   Copyright (C) 1999, 2000, 2004, 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+   USA.  */
+
+#ifndef HAVE_GETPAGESIZE
+
+#include <unistd.h>
+
+#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
+
+/* This is for AmigaOS4.0.  */
+#if !defined getpagesize && defined __amigaos4__
+# define getpagesize() 2048
+#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 */