56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
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#ifndef __nettypes_H
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#define __nettypes_H
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/*
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* Copyright (c) 2012 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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# include <list>
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class netrange_t {
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public:
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inline netrange_t() : msb(0), lsb(0) { }
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inline netrange_t(long m, long l) : msb(m), lsb(l) { }
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inline netrange_t(const netrange_t&that)
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: msb(that.msb), lsb(that.lsb) { }
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inline netrange_t& operator = (const netrange_t&that)
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{ msb = that.msb; lsb = that.lsb; return *this; }
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public:
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long msb;
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long lsb;
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inline unsigned long width()const
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{ if (msb >= lsb) return msb-lsb+1; else return lsb-msb+1; }
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};
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extern unsigned long netrange_width(const std::list<netrange_t>&dims);
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/*
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* Take as input a list of packed dimensions and a list of prefix
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* indices, and calculate the offset/width of the resulting slice into
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* the packed array.
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*/
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extern bool prefix_to_slice(const std::list<netrange_t>&dims,
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const std::list<long>&prefix, long sb,
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long&loff, unsigned long&lwid);
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#endif
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