nis-util: lib/net_utils/network_class_from

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00001 //
00002 // nis-util - NIS Administration Utilities
00003 // Copyright (C) 2012 Peter Miller
00004 //
00005 // This program is free software; you can redistribute it and/or modify
00006 // it under the terms of the GNU General Public License as published by
00007 // the Free Software Foundation; either version 2 of the License, or (at
00008 // your option) any later version.
00009 //
00010 // This program is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 // General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU General Public License along
00016 // with this program. If not, see <http://www.gnu.org/licenses/>.
00017 //
00018 
00019 #include <lib/net_utils.h>
00020 
00021 
00022 char
00023 network_class_from_number(unsigned long nnum)
00024 {
00025     if (nnum < 0x80000000uL)
00026         return 'A';
00027     if (nnum < 0xC0000000uL)
00028         return 'B';
00029     if (nnum < 0xE0000000uL)
00030         return 'C';
00031     if (nnum < 0xF0000000uL)
00032         return 'D';
00033     return 'E';
00034 }
00035 
00036 
00037 // vim: set ts=8 sw=4 et :