sysdeps/unix/sysv/linux/fallocate.c

   1 /* Copyright (C) 2007-2018 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <errno.h>
  19 #include <fcntl.h>
  20 #include <sysdep-cancel.h>
  21
  22 #ifndef __OFF_T_MATCHES_OFF64_T
  23 /* Reserve storage for the data of the file associated with FD.  */
  24 int
  25 fallocate (int fd, int mode, __off_t offset, __off_t len)
  26 {
  27   return SYSCALL_CANCEL (fallocate, fd, mode,
  28                          SYSCALL_LL (offset), SYSCALL_LL (len));
  29 }
  30 #endif