home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Languguage OS 2
/
Languguage OS II Version 10-94 (Knowledge Media)(1994).ISO
/
gnu
/
bash_114.zip
/
bash-1.14.2
/
lib
/
malloclib
/
getpagesize.h
< prev
next >
Wrap
C/C++ Source or Header
|
1993-07-05
|
2KB
|
57 lines
/* Emulation of getpagesize() for systems that need it.
Copyright (C) 1991 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 of the License, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#if !defined (USG)
extern size_t getpagesize __P ((void));
# if !defined (HAVE_GETPAGESIZE)
# define HAVE_GETPAGESIZE
# endif /* !HAVE_GETPAGESIZE */
#endif /* !USG */
#if !defined (HAVE_GETPAGESIZE) && defined (HAVE_UNISTD_H)
# include <unistd.h>
# if defined (_SC_PAGESIZE)
# define getpagesize() sysconf(_SC_PAGESIZE)
# endif /* _SC_PAGESIZE */
#endif
#if !defined (HAVE_GETPAGESIZE)
# include <sys/param.h>
# if defined (PAGESIZE)
# define getpagesize() PAGESIZE
# else /* !PAGESIZE */
# if defined (EXEC_PAGESIZE)
# define getpagesize() EXEC_PAGESIZE
# else /* !EXEC_PAGESIZE */
# if defined (NBPG)
# if !defined (CLSIZE)
# define CLSIZE 1
# endif /* !CLSIZE */
# define getpagesize() (NBPG * CLSIZE)
# else /* !NBPG */
# if defined (NBPC)
# define getpagesize() NBPC
# endif /* NBPC */
# endif /* !NBPG */
# endif /* !EXEC_PAGESIZE */
# endif /* !PAGESIZE */
#endif /* !getpagesize */
#if !defined (HAVE_GETPAGESIZE) && !defined (getpagesize)
# define getpagesize() 4096 /* Just punt and use reasonable value */
#endif /* !HAVE_GETPAGESIZE && !getpagesize */