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-rw-r--r--libio/ftello.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/libio/ftello.c b/libio/ftello.c
index 2d8a8a7167..ed4ef8b603 100644
--- a/libio/ftello.c
+++ b/libio/ftello.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
@@ -32,13 +32,19 @@ off_t
ftello (fp)
_IO_FILE *fp;
{
- _IO_pos_t pos;
+ _IO_off_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
+ /* XXX Not done yet. */
+ abort ();
+ }
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
if (pos == _IO_pos_BAD)
@@ -49,5 +55,5 @@ ftello (fp)
#endif
return -1L;
}
- return _IO_pos_as_off (pos);
+ return pos;
}