1: /* Copyright (C) 1993,1995,1996,1997,1998,2003 Free Software Foundation, Inc.
    2:    This file is part of the GNU C Library.
    3: 
    4:    The GNU C Library is free software; you can redistribute it and/or
    5:    modify it under the terms of the GNU Lesser General Public
    6:    License as published by the Free Software Foundation; either
    7:    version 2.1 of the License, or (at your option) any later version.
    8: 
    9:    The GNU C Library is distributed in the hope that it will be useful,
   10:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   11:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   12:    Lesser General Public License for more details.
   13: 
   14:    You should have received a copy of the GNU Lesser General Public
   15:    License along with the GNU C Library; if not, write to the Free
   16:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   17:    02111-1307 USA.
   18: 
   19:    As a special exception, if you link the code in this file with
   20:    files compiled with a GNU compiler to produce an executable,
   21:    that does not cause the resulting executable to be covered by
   22:    the GNU Lesser General Public License.  This exception does not
   23:    however invalidate any other reasons why the executable file
   24:    might be covered by the GNU Lesser General Public License.
   25:    This exception applies to code released by its copyright holders
   26:    in files containing the exception.  */
   27: 
   28: #include <errno.h>
   29: #include "libioP.h"
   30: #include "stdio.h"
   31: 
   32: int
   33: fseeko64 (fp, offset, whence)
   34:      _IO_FILE* fp;
   35:      __off64_t offset;
   36:      int whence;
   37: {
   38: #ifdef _G_LSEEK64
   39:   int result;
   40:   CHECK_FILE (fp, -1);
   41:   _IO_acquire_lock (fp);
   42:   result = _IO_fseek (fp, offset, whence);
   43:   _IO_release_lock (fp);
   44:   return result;
   45: #else
   46:   __set_errno (ENOSYS);
   47:   return -1;
   48: #endif
   49: }