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Diffstat (limited to 'libio/ioseekpos.c')
-rw-r--r-- | libio/ioseekpos.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/libio/ioseekpos.c b/libio/ioseekpos.c new file mode 100644 index 0000000..2ce0c22 --- /dev/null +++ b/libio/ioseekpos.c @@ -0,0 +1,48 @@ +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include <libioP.h> + +_IO_pos_t +_IO_seekpos (fp, pos, mode) + _IO_FILE *fp; + _IO_pos_t pos; + int mode; +{ + _IO_pos_t retval; + + /* If we have a backup buffer, get rid of it, since the __seekoff + callback may not know to do the right thing about it. + This may be over-kill, but it'll do for now. TODO */ + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + + if (_IO_have_backup (fp)) + _IO_free_backup_area (fp); + retval = _IO_SEEKPOS (fp, pos, mode); + + _IO_cleanup_region_end (1); + return retval; +} |