diff options
Diffstat (limited to 'libio/iofgetpos.c')
| -rw-r--r-- | libio/iofgetpos.c | 34 |
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) |