modules/up/src/rpsl/gnu/PrefixRange.defs.h

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FUNCTIONS

This source file includes following functions.
  1. PrefixRangeEQ
  2. PrefixRangeLE
  3. PrefixRangeCMP
  4. HASHTABLE_TOO_CROWDED

   1 // This may look like C code, but it is really -*- C++ -*-
   2 /* 
   3 Copyright (C) 1988 Free Software Foundation
   4     written by Doug Lea (dl@rocky.oswego.edu)
   5 
   6 This file is part of the GNU C++ Library.  This library is free
   7 software; you can redistribute it and/or modify it under the terms of
   8 the GNU Library General Public License as published by the Free
   9 Software Foundation; either version 2 of the License, or (at your
  10 option) any later version.  This library is distributed in the hope
  11 that it will be useful, but WITHOUT ANY WARRANTY; without even the
  12 implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  13 PURPOSE.  See the GNU Library General Public License for more details.
  14 You should have received a copy of the GNU Library General Public
  15 License along with this library; if not, write to the Free Software
  16 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17 */
  18 
  19 
  20 #ifndef _PrefixRangedefs_h
  21 #define _PrefixRangedefs_h 1
  22 
  23 #include "config.h"
  24 #include "rpsl/prefix.hh"
  25 
  26 // equality operator
  27 #ifndef PrefixRangeEQ
  28 #define PrefixRangeEQ(a, b)  ((a) == (b))
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  29 #endif
  30 
  31 // less-than-or-equal
  32 #ifndef PrefixRangeLE
  33 #define PrefixRangeLE(a, b)  ((a) <= (b))
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  34 #endif
  35 
  36 // comparison : less-than -> < 0; equal -> 0; greater-than -> > 0
  37 #ifndef PrefixRangeCMP
  38 #define PrefixRangeCMP(a, b) ( ((a) <= (b))? (((a) == (b))? 0 : -1) : 1 )
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  39 #endif
  40 
  41 // initial capacity for structures requiring one
  42 
  43 #ifndef DEFAULT_INITIAL_CAPACITY
  44 #define DEFAULT_INITIAL_CAPACITY 100
  45 #endif
  46 
  47 // HASHTABLE_TOO_CROWDED(COUNT, SIZE) is true iff a hash table with COUNT
  48 // elements and SIZE slots is too full, and should be resized.
  49 // This is so if available space is less than 1/8.
  50 
  51 #define HASHTABLE_TOO_CROWDED(COUNT, SIZE) ((SIZE) - ((SIZE) >> 3) <= (COUNT))
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  52 
  53 #endif

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