valloc.c 1.1 KB

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  1. /* vi: set sw=4 ts=4: */
  2. /* Allocate memory on a page boundary.
  3. Copyright (C) 1991, 1992 Free Software Foundation, Inc.
  4. This library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Library General Public License as
  6. published by the Free Software Foundation; either version 2 of the
  7. License, or (at your option) any later version.
  8. This library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Library General Public License for more details.
  12. You should have received a copy of the GNU Library General Public
  13. License along with this library; see the file COPYING.LIB. If
  14. not, see <http://www.gnu.org/licenses/>.
  15. The author may be reached (Email) at the address mike@@ai.mit.edu,
  16. or (US mail) as Mike Haertel c/o Free Software Foundation. */
  17. #include <stdlib.h>
  18. #include <unistd.h>
  19. #include <malloc.h>
  20. static size_t pagesize;
  21. __ptr_t valloc (size_t size)
  22. {
  23. if (pagesize == 0)
  24. pagesize = getpagesize ();
  25. return memalign(pagesize, size);
  26. }