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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. |
96aa2d94 | 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. | |
96aa2d94 | 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 | |
40a55d20 | 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
41bdb6e2 | 12 | Lesser General Public License for more details. |
96aa2d94 | 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/>. | |
96aa2d94 | 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. */ | |
96aa2d94 | 26 | |
03af9520 RM |
27 | /* We need to avoid the header declarations of these, because |
28 | the types don't match _IO_fsetpos and then the compiler will | |
29 | complain about the mismatch when we do the alias below. */ | |
30 | #define _IO_new_fsetpos64 __renamed__IO_new_fsetpos64 | |
31 | #define _IO_fsetpos64 __renamed__IO_fsetpos64 | |
32 | ||
96aa2d94 | 33 | #include <libioP.h> |
03af9520 RM |
34 | |
35 | #undef _IO_new_fsetpos64 | |
36 | #undef _IO_fsetpos64 | |
37 | ||
96aa2d94 | 38 | #include <errno.h> |
fd091d3f | 39 | #include <shlib-compat.h> |
96aa2d94 RM |
40 | |
41 | int | |
d64b6ad0 | 42 | _IO_new_fsetpos (fp, posp) |
40a55d20 | 43 | _IO_FILE *fp; |
96aa2d94 RM |
44 | const _IO_fpos_t *posp; |
45 | { | |
7c713e28 | 46 | int result; |
96aa2d94 | 47 | CHECK_FILE (fp, EOF); |
0261d33f | 48 | _IO_acquire_lock (fp); |
52a16e58 | 49 | if (_IO_seekpos_unlocked (fp, posp->__pos, _IOS_INPUT|_IOS_OUTPUT) |
77fe0b9c | 50 | == _IO_pos_BAD) |
96aa2d94 | 51 | { |
6d52618b UD |
52 | /* ANSI explicitly requires setting errno to a positive value on |
53 | failure. */ | |
96aa2d94 RM |
54 | #ifdef EIO |
55 | if (errno == 0) | |
c4029823 | 56 | __set_errno (EIO); |
96aa2d94 | 57 | #endif |
7c713e28 | 58 | result = EOF; |
96aa2d94 | 59 | } |
7c713e28 | 60 | else |
d64b6ad0 UD |
61 | { |
62 | result = 0; | |
63 | if (fp->_mode > 0 | |
64 | && (*fp->_codecvt->__codecvt_do_encoding) (fp->_codecvt) < 0) | |
65 | /* This is a stateful encoding, restore the state. */ | |
66 | fp->_wide_data->_IO_state = posp->__state; | |
67 | } | |
0261d33f | 68 | _IO_release_lock (fp); |
7c713e28 | 69 | return result; |
96aa2d94 RM |
70 | } |
71 | ||
d64b6ad0 | 72 | strong_alias (_IO_new_fsetpos, __new_fsetpos) |
fd091d3f UD |
73 | versioned_symbol (libc, _IO_new_fsetpos, _IO_fsetpos, GLIBC_2_2); |
74 | versioned_symbol (libc, __new_fsetpos, fsetpos, GLIBC_2_2); | |
03af9520 RM |
75 | |
76 | #ifdef __OFF_T_MATCHES_OFF64_T | |
77 | strong_alias (_IO_new_fsetpos, _IO_new_fsetpos64) | |
78 | strong_alias (_IO_new_fsetpos64, __new_fsetpos64) | |
79 | versioned_symbol (libc, __new_fsetpos64, fsetpos64, GLIBC_2_2); | |
80 | versioned_symbol (libc, _IO_new_fsetpos64, _IO_fsetpos64, GLIBC_2_2); | |
81 | #endif |