1/* Copyright (C) 1993, 1995, 1997-2000, 2002 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, write to the Free
16   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17   02111-1307 USA.
18
19   As a special exception, if you link the code in this file with
20   files compiled with a GNU compiler to produce an executable,
21   that does not cause the resulting executable to be covered by
22   the GNU Lesser General Public License.  This exception does not
23   however invalidate any other reasons why the executable file
24   might be covered by the GNU Lesser General Public License.
25   This exception applies to code released by its copyright holders
26   in files containing the exception.  */
27
28#include <libioP.h>
29#include <errno.h>
30#include <shlib-compat.h>
31
32int
33_IO_new_fsetpos64 (fp, posp)
34     _IO_FILE *fp;
35     const _IO_fpos64_t *posp;
36{
37#ifdef _G_LSEEK64
38  int result;
39  CHECK_FILE (fp, EOF);
40  _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
41  _IO_flockfile (fp);
42  if (_IO_seekpos_unlocked (fp, posp->__pos, _IOS_INPUT|_IOS_OUTPUT)
43      == _IO_pos_BAD)
44    {
45      /* ANSI explicitly requires setting errno to a positive value on
46	 failure.  */
47#ifdef EIO
48      if (errno == 0)
49	__set_errno (EIO);
50#endif
51      result = EOF;
52    }
53  else
54    {
55      result = 0;
56      if (fp->_mode > 0
57	  && (*fp->_codecvt->__codecvt_do_encoding) (fp->_codecvt) < 0)
58	/* This is a stateful encoding, safe the state.  */
59	fp->_wide_data->_IO_state = posp->__state;
60    }
61  _IO_funlockfile (fp);
62  _IO_cleanup_region_end (0);
63  return result;
64#else
65  __set_errno (ENOSYS);
66  return EOF;
67#endif
68}
69
70strong_alias (_IO_new_fsetpos64, __new_fsetpos64)
71versioned_symbol (libc, __new_fsetpos64, fsetpos64, GLIBC_2_2);
72versioned_symbol (libc, _IO_new_fsetpos64, _IO_fsetpos64, GLIBC_2_2);
73