about summary refs log tree commit diff
path: root/sysdeps/mach/hurd/pwrite64.c
blob: 7cca3d81720c5276c0422774dd25724b65aae46f (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
/* Write block to given position in file without changing file pointer.
   Hurd version.
   Copyright (C) 2001 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include <errno.h>
#include <unistd.h>

ssize_t
__libc_pwrite64 (int fd, const void *buf, size_t nbyte, off64_t offset)
{
  /* XXX We don't really support large files on the Hurd.  So if
     OFFSET doesn't fit in an `off_t', we'll return `-1' and set
     errno.  EOVERFLOW probably isn't the right error value, but seems
     appropriate here.  */
  if ((off_t) offset != offset)
    {
      __set_errno (EOVERFLOW);
      return -1;
    }

  return __libc_pwrite (fd, buf, nbyte, offset);
}

#ifndef __libc_pwrite64
weak_alias (__libc_pwrite64, __pwrite64)
weak_alias (__libc_pwrite64, pwrite64)
#endif