glibc/sysdeps/unix/sysv/linux/pread64.c

/* Copyright (C) 1997-2016 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <unistd.h>
#include <sysdep-cancel.h>

#ifndef __NR_pread64
# define __NR_pread64 __NR_pread
#endif

ssize_t
__libc_pread64 (int fd, void *buf, size_t count, off64_t offset)
{
  return SYSCALL_CANCEL (pread64, fd, buf, count,
			 __ALIGNMENT_ARG SYSCALL_LL64 (offset));
}

weak_alias (__libc_pread64, __pread64)
weak_alias (__libc_pread64, pread64)

#if __WORDSIZE == 64 && !defined (__ASSUME_OFF_DIFF_OFF64)
strong_alias (__libc_pread64, __libc_pread)
weak_alias (__libc_pread64, __pread)
weak_alias (__libc_pread64, pread)
#endif