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Annotation of embedaddon/quagga/ospf6d/ospf6_proto.c, revision 1.1.1.2

1.1       misho       1: /*
                      2:  * Copyright (C) 2003 Yasuhiro Ohara
                      3:  *
                      4:  * This file is part of GNU Zebra.
                      5:  *
                      6:  * GNU Zebra is free software; you can redistribute it and/or modify it
                      7:  * under the terms of the GNU General Public License as published by the
                      8:  * Free Software Foundation; either version 2, or (at your option) any
                      9:  * later version.
                     10:  *
                     11:  * GNU Zebra is distributed in the hope that it will be useful, but
                     12:  * WITHOUT ANY WARRANTY; without even the implied warranty of
                     13:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
                     14:  * General Public License for more details.
                     15:  *
                     16:  * You should have received a copy of the GNU General Public License
                     17:  * along with GNU Zebra; see the file COPYING.  If not, write to the 
                     18:  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 
                     19:  * Boston, MA 02111-1307, USA.  
                     20:  */
                     21: 
                     22: #include <zebra.h>
                     23: 
                     24: #include "log.h"
                     25: 
                     26: #include "ospf6_proto.h"
                     27: 
                     28: void
                     29: ospf6_prefix_apply_mask (struct ospf6_prefix *op)
                     30: {
                     31:   u_char *pnt, mask;
                     32:   int index, offset;
                     33: 
                     34:   pnt = (u_char *)((caddr_t) op + sizeof (struct ospf6_prefix));
                     35:   index = op->prefix_length / 8;
                     36:   offset = op->prefix_length % 8;
                     37:   mask = 0xff << (8 - offset);
                     38: 
                     39:   if (index > 16)
                     40:     {
                     41:       zlog_warn ("Prefix length too long: %d", op->prefix_length);
                     42:       return;
                     43:     }
                     44: 
1.1.1.2 ! misho      45:   /* nonzero mask means no check for this byte because if it contains
        !            46:    * prefix bits it must be there for us to write */
        !            47:   if (mask)
        !            48:     pnt[index++] &= mask;
1.1       misho      49: 
                     50:   while (index < OSPF6_PREFIX_SPACE (op->prefix_length))
                     51:     pnt[index++] = 0;
                     52: }
                     53: 
                     54: void
                     55: ospf6_prefix_options_printbuf (u_int8_t prefix_options, char *buf, int size)
                     56: {
                     57:   snprintf (buf, size, "xxx");
                     58: }
                     59: 
                     60: void
                     61: ospf6_capability_printbuf (char capability, char *buf, int size)
                     62: {
                     63:   char w, v, e, b;
                     64:   w = (capability & OSPF6_ROUTER_BIT_W ? 'W' : '-');
                     65:   v = (capability & OSPF6_ROUTER_BIT_V ? 'V' : '-');
                     66:   e = (capability & OSPF6_ROUTER_BIT_E ? 'E' : '-');
                     67:   b = (capability & OSPF6_ROUTER_BIT_B ? 'B' : '-');
                     68:   snprintf (buf, size, "----%c%c%c%c", w, v, e, b);
                     69: }
                     70: 
                     71: void
                     72: ospf6_options_printbuf (u_char *options, char *buf, int size)
                     73: {
                     74:   const char *dc, *r, *n, *mc, *e, *v6;
                     75:   dc = (OSPF6_OPT_ISSET (options, OSPF6_OPT_DC) ? "DC" : "--");
                     76:   r  = (OSPF6_OPT_ISSET (options, OSPF6_OPT_R)  ? "R"  : "-" );
                     77:   n  = (OSPF6_OPT_ISSET (options, OSPF6_OPT_N)  ? "N"  : "-" );
                     78:   mc = (OSPF6_OPT_ISSET (options, OSPF6_OPT_MC) ? "MC" : "--");
                     79:   e  = (OSPF6_OPT_ISSET (options, OSPF6_OPT_E)  ? "E"  : "-" );
                     80:   v6 = (OSPF6_OPT_ISSET (options, OSPF6_OPT_V6) ? "V6" : "--");
                     81:   snprintf (buf, size, "%s|%s|%s|%s|%s|%s", dc, r, n, mc, e, v6);
                     82: }
                     83: 
                     84: