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-rw-r--r--libio/ftello64.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/libio/ftello64.c b/libio/ftello64.c
index 621454974e..7cb75626cf 100644
--- a/libio/ftello64.c
+++ b/libio/ftello64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 95, 96, 97, 98, 99 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@@ -33,13 +33,18 @@ ftello64 (fp)
_IO_FILE *fp;
{
#ifdef _G_LSEEK64
- _IO_pos_t pos;
+ _IO_off64_t pos;
CHECK_FILE (fp, -1L);
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0);
if (_IO_in_backup (fp))
- pos -= fp->_IO_save_end - fp->_IO_save_base;
+ {
+ if (fp->_mode <= 0)
+ pos -= fp->_IO_save_end - fp->_IO_save_base;
+ else
+ abort ();
+ }
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
if (pos == _IO_pos_BAD)
@@ -50,7 +55,7 @@ ftello64 (fp)
#endif
return -1L;
}
- return _IO_pos_as_off (pos);
+ return pos;
#else
__set_errno (ENOSYS);
return -1;