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b168057a 1/* Copyright (C) 1993-2015 Free Software Foundation, Inc.
41bdb6e2 2 This file is part of the GNU C Library.
dfd2257a 3
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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.
dfd2257a 8
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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
dfd2257a 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2 12 Lesser General Public License for more details.
dfd2257a 13
41bdb6e2 14 You should have received a copy of the GNU Lesser General Public
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15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>.
dfd2257a 17
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18 As a special exception, if you link the code in this file with
19 files compiled with a GNU compiler to produce an executable,
20 that does not cause the resulting executable to be covered by
21 the GNU Lesser General Public License. This exception does not
22 however invalidate any other reasons why the executable file
23 might be covered by the GNU Lesser General Public License.
24 This exception applies to code released by its copyright holders
25 in files containing the exception. */
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26
27#include "libioP.h"
28#include <errno.h>
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29#include <shlib-compat.h>
30
03af9520 31#ifndef __OFF_T_MATCHES_OFF64_T
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32
33int
d64b6ad0 34_IO_new_fgetpos64 (fp, posp)
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35 _IO_FILE *fp;
36 _IO_fpos64_t *posp;
37{
d64b6ad0 38 _IO_off64_t pos;
bc2e3689 39 int result = 0;
dfd2257a 40 CHECK_FILE (fp, EOF);
0261d33f 41 _IO_acquire_lock (fp);
52a16e58 42 pos = _IO_seekoff_unlocked (fp, 0, _IO_seek_cur, 0);
3447be7b 43 if (_IO_in_backup (fp) && pos != _IO_pos_BAD)
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44 {
45 if (fp->_mode <= 0)
46 pos -= fp->_IO_save_end - fp->_IO_save_base;
47 }
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48 if (pos == _IO_pos_BAD)
49 {
50 /* ANSI explicitly requires setting errno to a positive value on
51 failure. */
d64b6ad0 52# ifdef EIO
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53 if (errno == 0)
54 __set_errno (EIO);
d64b6ad0 55# endif
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56 result = EOF;
57 }
58 else
59 {
60 posp->__pos = pos;
61 if (fp->_mode > 0
62 && (*fp->_codecvt->__codecvt_do_encoding) (fp->_codecvt) < 0)
63 /* This is a stateful encoding, safe the state. */
64 posp->__state = fp->_wide_data->_IO_state;
dfd2257a 65 }
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66 _IO_release_lock (fp);
67 return result;
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68}
69
d64b6ad0 70strong_alias (_IO_new_fgetpos64, __new_fgetpos64)
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71versioned_symbol (libc, _IO_new_fgetpos64, _IO_fgetpos64, GLIBC_2_2);
72versioned_symbol (libc, __new_fgetpos64, fgetpos64, GLIBC_2_2);
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73
74#endif