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Annotation of embedaddon/quagga/zebra/ipforward_ews.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Ipforward value get function for NEC EWS.
        !             3:  * Copyright (C) 1997 Kunihiro Ishiguro
        !             4:  *
        !             5:  * This file is part of GNU Zebra.
        !             6:  *
        !             7:  * GNU Zebra is free software; you can redistribute it and/or modify it
        !             8:  * under the terms of the GNU General Public License as published by the
        !             9:  * Free Software Foundation; either version 2, or (at your option) any
        !            10:  * later version.
        !            11:  *
        !            12:  * GNU Zebra is distributed in the hope that it will be useful, but
        !            13:  * WITHOUT ANY WARRANTY; without even the implied warranty of
        !            14:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        !            15:  * General Public License for more details.
        !            16:  *
        !            17:  * You should have received a copy of the GNU General Public License
        !            18:  * along with GNU Zebra; see the file COPYING.  If not, write to the Free
        !            19:  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !            20:  * 02111-1307, USA.  
        !            21:  */
        !            22: 
        !            23: #include <zebra.h>
        !            24: 
        !            25: int
        !            26: ipforward ()
        !            27: {
        !            28:   int fd;
        !            29:   char buf[BUFSIZ];
        !            30:   struct mioc_rksym rks;
        !            31: 
        !            32:   fd = open ("/dev/kmem", O_RDWR);
        !            33:   if (fd < 0) {
        !            34:     /* need logging here */
        !            35:     return -1;
        !            36:   }
        !            37: 
        !            38:   rks.mirk_symname = "ipforwarding";
        !            39:   rks.mirk_buf = buf;
        !            40:   rks.mirk_buflen = sizeof (int);
        !            41: 
        !            42:   if (ioctl (fd, MIOC_READKSYM, &rks) < 0) {
        !            43:     /* need logging here */
        !            44:     return -1;
        !            45:   }
        !            46:   close (fd);
        !            47:   return *(int *)buf;
        !            48: }
        !            49: 
        !            50: int
        !            51: ipforward_on ()
        !            52: {
        !            53:   ;
        !            54: }
        !            55: 
        !            56: int
        !            57: ipforward_off ()
        !            58: {
        !            59:   ;
        !            60: }