1
/* An ftello() function that works around platform bugs.
2
Copyright (C) 2007 Free Software Foundation, Inc.
4
This program is free software: you can redistribute it and/or modify
5
it under the terms of the GNU General Public License as published by
6
the Free Software Foundation; either version 3 of the License, or
7
(at your option) any later version.
9
This program 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
12
GNU General Public License for more details.
14
You should have received a copy of the GNU General Public License
15
along with this program. If not, see <http://www.gnu.org/licenses/>. */
35
/* mingw gives bogus answers rather than failure on non-seekable files. */
36
if (lseek (fileno (fp), 0, SEEK_CUR) == -1)
40
#if defined __SL64 && defined __SCLE /* Cygwin */
41
if ((fp->_flags & __SL64) == 0)
43
/* Cygwin 1.5.0 through 1.5.24 failed to open stdin in 64-bit
44
mode; but has an ftello that requires 64-bit mode. */
45
FILE *tmp = fopen ("/dev/null", "r");
49
fp->_seek64 = tmp->_seek64;