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-rw-r--r--libio/ioseekoff.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/libio/ioseekoff.c b/libio/ioseekoff.c
index 2111bec..eff6d38 100644
--- a/libio/ioseekoff.c
+++ b/libio/ioseekoff.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1997, 1998, 1999, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 1993,1997,1998,1999,2001,2002 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
@@ -56,7 +56,8 @@ _IO_seekoff (fp, offset, dir, mode)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
- if (mode != 0 && _IO_have_backup (fp))
+ if (mode != 0 && ((_IO_fwide (fp, 0) < 0 && _IO_have_backup (fp))
+ || (_IO_fwide (fp, 0) > 0 && _IO_have_wbackup (fp))))
{
if (dir == _IO_seek_cur && _IO_in_backup (fp))
{
@@ -65,7 +66,10 @@ _IO_seekoff (fp, offset, dir, mode)
else
abort ();
}
- _IO_free_backup_area (fp);
+ if (_IO_fwide (fp, 0) < 0)
+ INTUSE(_IO_free_backup_area) (fp);
+ else
+ INTUSE(_IO_free_wbackup_area) (fp);
}
retval = _IO_SEEKOFF (fp, offset, dir, mode);
@@ -74,3 +78,4 @@ _IO_seekoff (fp, offset, dir, mode)
_IO_cleanup_region_end (0);
return retval;
}
+INTDEF(_IO_seekoff)