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/* An ftell() function that works around platform bugs.
Copyright (C) 2007 Free Software Foundation, Inc.
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.
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. */
#include <config.h>
/* Specification. */
#include <stdio.h>
#include <errno.h>
/* Get off_t. */
#include <unistd.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;
else
{
errno = EOVERFLOW;
return -1;
}
}
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