1*5af32e75SAxel Dörfler /* Copyright (C) 1993, 1997, 1998, 1999, 2002 Free Software Foundation, Inc.
2*5af32e75SAxel Dörfler This file is part of the GNU C Library.
3*5af32e75SAxel Dörfler
4*5af32e75SAxel Dörfler The GNU C Library is free software; you can redistribute it and/or
5*5af32e75SAxel Dörfler modify it under the terms of the GNU Lesser General Public
6*5af32e75SAxel Dörfler License as published by the Free Software Foundation; either
7*5af32e75SAxel Dörfler version 2.1 of the License, or (at your option) any later version.
8*5af32e75SAxel Dörfler
9*5af32e75SAxel Dörfler The GNU C Library is distributed in the hope that it will be useful,
10*5af32e75SAxel Dörfler but WITHOUT ANY WARRANTY; without even the implied warranty of
11*5af32e75SAxel Dörfler MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12*5af32e75SAxel Dörfler Lesser General Public License for more details.
13*5af32e75SAxel Dörfler
14*5af32e75SAxel Dörfler You should have received a copy of the GNU Lesser General Public
15*5af32e75SAxel Dörfler License along with the GNU C Library; if not, write to the Free
16*5af32e75SAxel Dörfler Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17*5af32e75SAxel Dörfler 02111-1307 USA.
18*5af32e75SAxel Dörfler
19*5af32e75SAxel Dörfler As a special exception, if you link the code in this file with
20*5af32e75SAxel Dörfler files compiled with a GNU compiler to produce an executable,
21*5af32e75SAxel Dörfler that does not cause the resulting executable to be covered by
22*5af32e75SAxel Dörfler the GNU Lesser General Public License. This exception does not
23*5af32e75SAxel Dörfler however invalidate any other reasons why the executable file
24*5af32e75SAxel Dörfler might be covered by the GNU Lesser General Public License.
25*5af32e75SAxel Dörfler This exception applies to code released by its copyright holders
26*5af32e75SAxel Dörfler in files containing the exception.
27*5af32e75SAxel Dörfler */
28*5af32e75SAxel Dörfler
29*5af32e75SAxel Dörfler
30*5af32e75SAxel Dörfler #include <libioP.h>
31*5af32e75SAxel Dörfler
32*5af32e75SAxel Dörfler
33*5af32e75SAxel Dörfler _IO_off64_t
_IO_seekpos_unlocked(_IO_FILE * fp,_IO_off64_t pos,int mode)34*5af32e75SAxel Dörfler _IO_seekpos_unlocked(_IO_FILE *fp, _IO_off64_t pos, int mode)
35*5af32e75SAxel Dörfler {
36*5af32e75SAxel Dörfler /* If we have a backup buffer, get rid of it, since the __seekoff
37*5af32e75SAxel Dörfler * callback may not know to do the right thing about it.
38*5af32e75SAxel Dörfler * This may be over-kill, but it'll do for now. TODO
39*5af32e75SAxel Dörfler */
40*5af32e75SAxel Dörfler
41*5af32e75SAxel Dörfler if (_IO_fwide(fp, 0) <= 0) {
42*5af32e75SAxel Dörfler if (_IO_have_backup(fp))
43*5af32e75SAxel Dörfler INTUSE(_IO_free_backup_area)(fp);
44*5af32e75SAxel Dörfler } else {
45*5af32e75SAxel Dörfler if (_IO_have_wbackup(fp))
46*5af32e75SAxel Dörfler INTUSE(_IO_free_wbackup_area)(fp);
47*5af32e75SAxel Dörfler }
48*5af32e75SAxel Dörfler
49*5af32e75SAxel Dörfler return _IO_SEEKPOS(fp, pos, mode);
50*5af32e75SAxel Dörfler }
51*5af32e75SAxel Dörfler
52*5af32e75SAxel Dörfler
53*5af32e75SAxel Dörfler _IO_off64_t
_IO_seekpos(_IO_FILE * fp,_IO_off64_t pos,int mode)54*5af32e75SAxel Dörfler _IO_seekpos(_IO_FILE *fp, _IO_off64_t pos, int mode)
55*5af32e75SAxel Dörfler {
56*5af32e75SAxel Dörfler _IO_off64_t retval;
57*5af32e75SAxel Dörfler
58*5af32e75SAxel Dörfler _IO_cleanup_region_start((void (*) __P ((void *)))_IO_funlockfile, fp);
59*5af32e75SAxel Dörfler _IO_flockfile(fp);
60*5af32e75SAxel Dörfler
61*5af32e75SAxel Dörfler retval = _IO_seekpos_unlocked(fp, pos, mode);
62*5af32e75SAxel Dörfler
63*5af32e75SAxel Dörfler _IO_funlockfile(fp);
64*5af32e75SAxel Dörfler _IO_cleanup_region_end(0);
65*5af32e75SAxel Dörfler return retval;
66*5af32e75SAxel Dörfler }
67