sysdeps/unix/sysv/linux/pread.c

   1 /* Copyright (C) 1997-2017 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <unistd.h>
  20 #include <sysdep-cancel.h>
  21
  22 #ifndef __OFF_T_MATCHES_OFF64_T
  23
  24 # ifndef __NR_pread
  25 #  define __NR_pread __NR_pread64
  26 # endif
  27
  28 ssize_t
  29 __libc_pread (int fd, void *buf, size_t count, off_t offset)
  30 {
  31   return SYSCALL_CANCEL (pread, fd, buf, count, SYSCALL_LL_PRW (offset));
  32 }
  33
  34 strong_alias (__libc_pread, __pread)
  35 libc_hidden_weak (__pread)
  36 weak_alias (__libc_pread, pread)
  37 #endif