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Diffstat (limited to 'libio')
-rw-r--r--libio/iofgetpos.c34
1 files changed, 23 insertions, 11 deletions
diff --git a/libio/iofgetpos.c b/libio/iofgetpos.c
index 7701ce6a4d..b8b2f874a3 100644
--- a/libio/iofgetpos.c
+++ b/libio/iofgetpos.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1995-1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 1995-1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -27,6 +27,7 @@
#include "libioP.h"
#include <errno.h>
+#include <stdlib.h>
#include <shlib-compat.h>
int
@@ -35,14 +36,19 @@ _IO_new_fgetpos (fp, posp)
_IO_fpos_t *posp;
{
_IO_off_t pos;
+ int result = 0;
CHECK_FILE (fp, EOF);
_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;
- _IO_funlockfile (fp);
- _IO_cleanup_region_end (0);
+ {
+ if (fp->_vtable_offset != 0 || fp->_mode <= 0)
+ pos -= fp->_IO_save_end - fp->_IO_save_base;
+ else
+ /* XXX For now. */
+ abort ();
+ }
if (pos == _IO_pos_BAD)
{
/* ANSI explicitly requires setting errno to a positive value on
@@ -51,14 +57,20 @@ _IO_new_fgetpos (fp, posp)
if (errno == 0)
__set_errno (EIO);
#endif
- return EOF;
+ result = EOF;
}
- posp->__pos = pos;
- if (fp->_mode > 0
- && (*fp->_codecvt->__codecvt_do_encoding) (fp->_codecvt) < 0)
- /* This is a stateful encoding, safe the state. */
- posp->__state = fp->_wide_data->_IO_state;
- return 0;
+ else
+ {
+ posp->__pos = pos;
+ if (fp->_mode > 0
+ && (*fp->_codecvt->__codecvt_do_encoding) (fp->_codecvt) < 0)
+ /* This is a stateful encoding, safe the state. */
+ posp->__state = fp->_wide_data->_IO_state;
+ }
+
+ _IO_funlockfile (fp);
+ _IO_cleanup_region_end (0);
+ return result;
}
strong_alias (_IO_new_fgetpos, __new_fgetpos)