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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. |
d64b6ad0 | 3 | |
41bdb6e2 AJ |
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. | |
d64b6ad0 | 8 | |
41bdb6e2 AJ |
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 | |
d64b6ad0 | 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
41bdb6e2 | 12 | Lesser General Public License for more details. |
d64b6ad0 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. | |
d64b6ad0 | 17 | |
41bdb6e2 AJ |
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. */ | |
d64b6ad0 UD |
26 | |
27 | #include "libioP.h" | |
28 | #include <errno.h> | |
29 | ||
16710d58 | 30 | #include <shlib-compat.h> |
a82f3aff | 31 | #if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_2) |
16710d58 | 32 | |
d64b6ad0 | 33 | int |
4a381a81 | 34 | attribute_compat_text_section |
9d46370c | 35 | _IO_old_fgetpos64 (_IO_FILE *fp, _IO_fpos64_t *posp) |
d64b6ad0 | 36 | { |
d64b6ad0 UD |
37 | _IO_off64_t pos; |
38 | CHECK_FILE (fp, EOF); | |
0261d33f | 39 | _IO_acquire_lock (fp); |
52a16e58 | 40 | pos = _IO_seekoff_unlocked (fp, 0, _IO_seek_cur, 0); |
3447be7b | 41 | if (_IO_in_backup (fp) && pos != _IO_pos_BAD) |
d64b6ad0 | 42 | pos -= fp->_IO_save_end - fp->_IO_save_base; |
0261d33f | 43 | _IO_release_lock (fp); |
d64b6ad0 UD |
44 | if (pos == _IO_pos_BAD) |
45 | { | |
46 | /* ANSI explicitly requires setting errno to a positive value on | |
47 | failure. */ | |
48 | #ifdef EIO | |
49 | if (errno == 0) | |
50 | __set_errno (EIO); | |
51 | #endif | |
52 | return EOF; | |
53 | } | |
54 | posp->__pos = pos; | |
55 | return 0; | |
d64b6ad0 UD |
56 | } |
57 | ||
58 | #ifdef weak_alias | |
d3d726ab | 59 | compat_symbol (libc, _IO_old_fgetpos64, _IO_fgetpos64, GLIBC_2_1); |
d64b6ad0 | 60 | strong_alias (_IO_old_fgetpos64, __old_fgetpos64) |
d3d726ab | 61 | compat_symbol (libc, __old_fgetpos64, fgetpos64, GLIBC_2_1); |
16710d58 RM |
62 | #endif |
63 | ||
d64b6ad0 | 64 | #endif |