/* An ftell() function that works around platform bugs.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007-2012 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <stdio.h>
#include <errno.h>
-/* Get off_t. */
-#include <unistd.h>
+#include <limits.h>
long
ftell (FILE *fp)
{
/* Use the replacement ftello function with all its workarounds. */
off_t offset = ftello (fp);
- if (offset == (long)offset)
- return (long)offset;
+ if (LONG_MIN <= offset && offset <= LONG_MAX)
+ return /* (long) */ offset;
else
{
errno = EOVERFLOW;