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- /* Allocate memory on a page boundary.
- Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- This library 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA.
-
- The author may be reached (Email) at the address mike@ai.mit.edu,
- or (US mail) as Mike Haertel c/o Free Software Foundation. */
-
- #if defined (__GNU_LIBRARY__) || defined (_LIBC)
- #include <stddef.h>
- #include <sys/cdefs.h>
- extern size_t __getpagesize __P ((void));
- #else
- #include "getpagesize.h"
- #define __getpagesize() getpagesize()
- #endif
-
- #ifndef _MALLOC_INTERNAL
- #define _MALLOC_INTERNAL
- #include <malloc.h>
- #endif
-
- static __malloc_size_t pagesize;
-
- __ptr_t
- valloc (size)
- __malloc_size_t size;
- {
- if (pagesize == 0)
- pagesize = __getpagesize ();
-
- return memalign (pagesize, size);
- }
-