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[bpt/emacs.git] / src / getpagesize.h

diff --git a/src/getpagesize.h b/src/getpagesize.h
dissimilarity index 68%
index eb5109d..ed47f80 100644 (file)
--- a/src/getpagesize.h
+++ b/src/getpagesize.h
@@ -1,37 +1,63 @@
-/* Emulate getpagesize on systems that lack it.  */
-
-#ifndef HAVE_GETPAGESIZE
-
-# ifdef VMS
-#  define getpagesize() 512
-# endif
-
-# ifdef HAVE_UNISTD_H
-#  include <unistd.h>
-# endif
-
-# ifdef _SC_PAGESIZE
-#  define getpagesize() sysconf(_SC_PAGESIZE)
-# else
-#  include <sys/param.h>
-#  ifdef EXEC_PAGESIZE
-#   define getpagesize() EXEC_PAGESIZE
-#  else /* no EXEC_PAGESIZE */
-#   ifdef NBPG
-#    define getpagesize() NBPG * CLSIZE
-#    ifndef CLSIZE
-#     define CLSIZE 1
-#    endif /* no CLSIZE */
-#   else /* no NBPG */
-#    ifdef NBPC
-#     define getpagesize() NBPC
-#    else /* no NBPC */
-#     ifdef PAGESIZE
-#      define getpagesize() PAGESIZE
-#     endif /* PAGESIZE */
-#    endif /* no NBPC */
-#   endif /* no NBPG */
-#  endif /* no EXEC_PAGESIZE */
-# endif /* no _SC_PAGESIZE */
-
-#endif /* no HAVE_GETPAGESIZE */
+/* Emulate getpagesize on systems that lack it.
+   Copyright (C) 1986, 1992, 1995, 2001, 2002, 2003, 2004,
+                 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs 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.
+
+GNU Emacs 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 GNU Emacs; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+#ifndef HAVE_GETPAGESIZE
+
+# ifdef VMS
+#  define getpagesize() 512
+# endif
+
+# ifdef HAVE_UNISTD_H
+#  include <unistd.h>
+# endif
+
+# ifdef _SC_PAGESIZE
+#  define getpagesize() sysconf(_SC_PAGESIZE)
+# else /* no _SC_PAGESIZE */
+#  ifdef HAVE_SYS_PARAM_H
+#   include <sys/param.h>
+#   ifdef EXEC_PAGESIZE
+#    define getpagesize() EXEC_PAGESIZE
+#   else /* no EXEC_PAGESIZE */
+#    ifdef NBPG
+#     define getpagesize() NBPG * CLSIZE
+#     ifndef CLSIZE
+#      define CLSIZE 1
+#     endif /* no CLSIZE */
+#    else /* no NBPG */
+#     ifdef NBPC
+#      define getpagesize() NBPC
+#     else /* no NBPC */
+#      ifdef PAGESIZE
+#       define getpagesize() PAGESIZE
+#      endif /* PAGESIZE */
+#     endif /* no NBPC */
+#    endif /* no NBPG */
+#   endif /* no EXEC_PAGESIZE */
+#  else /* no HAVE_SYS_PARAM_H */
+#   define getpagesize() 8192  /* punt totally */
+#  endif /* no HAVE_SYS_PARAM_H */
+# endif /* no _SC_PAGESIZE */
+
+#endif /* no HAVE_GETPAGESIZE */
+
+/* arch-tag: ff6206e3-97e2-4763-923a-e84bf28eabbc
+   (do not change this comment) */