CMakeLua/Source/kwsys/hash_fun.hxx.in

   1 /*=========================================================================
   2
   3   Program:   KWSys - Kitware System Library
   4   Module:    $RCSfile: hash_fun.hxx.in,v $
   5
   6   Copyright (c) Kitware, Inc., Insight Consortium.  All rights reserved.
   7   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
   8
   9      This software is distributed WITHOUT ANY WARRANTY; without even
  10      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  11      PURPOSE.  See the above copyright notices for more information.
  12
  13 =========================================================================*/
  14 /*
  15  * Copyright (c) 1996
  16  * Silicon Graphics Computer Systems, Inc.
  17  *
  18  * Permission to use, copy, modify, distribute and sell this software
  19  * and its documentation for any purpose is hereby granted without fee,
  20  * provided that the above copyright notice appear in all copies and
  21  * that both that copyright notice and this permission notice appear
  22  * in supporting documentation.  Silicon Graphics makes no
  23  * representations about the suitability of this software for any
  24  * purpose.  It is provided "as is" without express or implied warranty.
  25  *
  26  *
  27  * Copyright (c) 1994
  28  * Hewlett-Packard Company
  29  *
  30  * Permission to use, copy, modify, distribute and sell this software
  31  * and its documentation for any purpose is hereby granted without fee,
  32  * provided that the above copyright notice appear in all copies and
  33  * that both that copyright notice and this permission notice appear
  34  * in supporting documentation.  Hewlett-Packard Company makes no
  35  * representations about the suitability of this software for any
  36  * purpose.  It is provided "as is" without express or implied warranty.
  37  *
  38  */
  39 #ifndef @KWSYS_NAMESPACE@_hash_fun_hxx
  40 #define @KWSYS_NAMESPACE@_hash_fun_hxx
  41
  42 #include <@KWSYS_NAMESPACE@/Configure.hxx>
  43
  44 #include <@KWSYS_NAMESPACE@/cstddef>        // size_t
  45
  46 namespace @KWSYS_NAMESPACE@
  47 {
  48
  49 template <class _Key> struct hash { };
  50
  51 inline size_t _stl_hash_string(const char* __s)
  52 {
  53   unsigned long __h = 0;
  54   for ( ; *__s; ++__s)
  55     __h = 5*__h + *__s;
  56
  57   return size_t(__h);
  58 }
  59
  60 @KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
  61 struct hash<char*> {
  62   size_t operator()(const char* __s) const { return _stl_hash_string(__s); }
  63 };
  64
  65 @KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
  66 struct hash<const char*> {
  67   size_t operator()(const char* __s) const { return _stl_hash_string(__s); }
  68 };
  69
  70 @KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
  71 struct hash<char> {
  72   size_t operator()(char __x) const { return __x; }
  73 };
  74
  75 @KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
  76 struct hash<unsigned char> {
  77   size_t operator()(unsigned char __x) const { return __x; }
  78 };
  79
  80 @KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
  81 struct hash<signed char> {
  82   size_t operator()(unsigned char __x) const { return __x; }
  83 };
  84
  85 @KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
  86 struct hash<short> {
  87   size_t operator()(short __x) const { return __x; }
  88 };
  89
  90 @KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
  91 struct hash<unsigned short> {
  92   size_t operator()(unsigned short __x) const { return __x; }
  93 };
  94
  95 @KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
  96 struct hash<int> {
  97   size_t operator()(int __x) const { return __x; }
  98 };
  99
 100 @KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
 101 struct hash<unsigned int> {
 102   size_t operator()(unsigned int __x) const { return __x; }
 103 };
 104
 105 @KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
 106 struct hash<long> {
 107   size_t operator()(long __x) const { return __x; }
 108 };
 109
 110 @KWSYS_NAMESPACE@_CXX_DEFINE_SPECIALIZATION
 111 struct hash<unsigned long> {
 112   size_t operator()(unsigned long __x) const { return __x; }
 113 };
 114
 115 } // namespace @KWSYS_NAMESPACE@
 116
 117 #endif