ftruncate64.c 1.1 KB

123456789101112131415161718192021222324252627282930313233
  1. /* Copyright (C) 1997-2019 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, see
  13. <http://www.gnu.org/licenses/>. */
  14. #include <sys/types.h>
  15. #include <errno.h>
  16. #include <unistd.h>
  17. /* Truncate the file referenced by FD to LENGTH bytes. */
  18. int
  19. __ftruncate64 (int fd, off64_t length)
  20. {
  21. if ((off_t) length != length)
  22. {
  23. __set_errno (EINVAL);
  24. return -1;
  25. }
  26. return __ftruncate (fd, (off_t) length);
  27. }
  28. weak_alias (__ftruncate64, ftruncate64)