1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/epoc32/include/tools/stlport/stl/_hash_fun.h Wed Mar 31 12:33:34 2010 +0100
1.3 @@ -0,0 +1,146 @@
1.4 +/*
1.5 + * Copyright (c) 1996-1998
1.6 + * Silicon Graphics Computer Systems, Inc.
1.7 + *
1.8 + * Permission to use, copy, modify, distribute and sell this software
1.9 + * and its documentation for any purpose is hereby granted without fee,
1.10 + * provided that the above copyright notice appear in all copies and
1.11 + * that both that copyright notice and this permission notice appear
1.12 + * in supporting documentation. Silicon Graphics makes no
1.13 + * representations about the suitability of this software for any
1.14 + * purpose. It is provided "as is" without express or implied warranty.
1.15 + *
1.16 + *
1.17 + * Copyright (c) 1994
1.18 + * Hewlett-Packard Company
1.19 + *
1.20 + * Permission to use, copy, modify, distribute and sell this software
1.21 + * and its documentation for any purpose is hereby granted without fee,
1.22 + * provided that the above copyright notice appear in all copies and
1.23 + * that both that copyright notice and this permission notice appear
1.24 + * in supporting documentation. Hewlett-Packard Company makes no
1.25 + * representations about the suitability of this software for any
1.26 + * purpose. It is provided "as is" without express or implied warranty.
1.27 + *
1.28 + */
1.29 +
1.30 +/* NOTE: This is an internal header file, included by other STL headers.
1.31 + * You should not attempt to use it directly.
1.32 + */
1.33 +
1.34 +#ifndef _STLP_HASH_FUN_H
1.35 +#define _STLP_HASH_FUN_H
1.36 +
1.37 +#ifndef _STLP_INTERNAL_CSTDDEF
1.38 +# include <stl/_cstddef.h>
1.39 +#endif
1.40 +
1.41 +_STLP_BEGIN_NAMESPACE
1.42 +
1.43 +template <class _Key> struct hash { };
1.44 +
1.45 +_STLP_MOVE_TO_PRIV_NAMESPACE
1.46 +
1.47 +inline size_t __stl_hash_string(const char* __s) {
1.48 + _STLP_FIX_LITERAL_BUG(__s)
1.49 + unsigned long __h = 0;
1.50 + for ( ; *__s; ++__s)
1.51 + __h = 5*__h + *__s;
1.52 +
1.53 + return size_t(__h);
1.54 +}
1.55 +
1.56 +_STLP_MOVE_TO_STD_NAMESPACE
1.57 +
1.58 +_STLP_TEMPLATE_NULL
1.59 +struct hash<char*> {
1.60 + size_t operator()(const char* __s) const {
1.61 + _STLP_FIX_LITERAL_BUG(__s)
1.62 + return _STLP_PRIV __stl_hash_string(__s);
1.63 + }
1.64 +};
1.65 +
1.66 +_STLP_TEMPLATE_NULL
1.67 +struct hash<const char*> {
1.68 + size_t operator()(const char* __s) const {
1.69 + _STLP_FIX_LITERAL_BUG(__s)
1.70 + return _STLP_PRIV __stl_hash_string(__s);
1.71 + }
1.72 +};
1.73 +
1.74 +_STLP_TEMPLATE_NULL struct hash<char> {
1.75 + size_t operator()(char __x) const { return __x; }
1.76 +};
1.77 +_STLP_TEMPLATE_NULL struct hash<unsigned char> {
1.78 + size_t operator()(unsigned char __x) const { return __x; }
1.79 +};
1.80 +#if !defined (_STLP_NO_SIGNED_BUILTINS)
1.81 +_STLP_TEMPLATE_NULL struct hash<signed char> {
1.82 + size_t operator()(unsigned char __x) const { return __x; }
1.83 +};
1.84 +#endif
1.85 +_STLP_TEMPLATE_NULL struct hash<short> {
1.86 + size_t operator()(short __x) const { return __x; }
1.87 +};
1.88 +_STLP_TEMPLATE_NULL struct hash<unsigned short> {
1.89 + size_t operator()(unsigned short __x) const { return __x; }
1.90 +};
1.91 +_STLP_TEMPLATE_NULL struct hash<int> {
1.92 + size_t operator()(int __x) const { return __x; }
1.93 +};
1.94 +
1.95 +#if defined (_WIN64) || !defined (_STLP_MSVC) || (_STLP_MSVC < 1300)
1.96 +_STLP_TEMPLATE_NULL struct hash<unsigned int> {
1.97 + size_t operator()(unsigned int __x) const { return __x; }
1.98 +};
1.99 +#else
1.100 +/* MSVC .Net since 2002 has a 64 bits portability warning feature. typedef
1.101 + * like size_t are tagged as potential 64 bits variables making them different from
1.102 + * unsigned int. To avoid the warning when a hash container is instanciated with
1.103 + * the size_t key we prefer to grant the size_t specialization rather than the
1.104 + * unsigned int one.
1.105 + */
1.106 +_STLP_TEMPLATE_NULL struct hash<size_t> {
1.107 + size_t operator()(size_t __x) const { return __x; }
1.108 +};
1.109 +#endif
1.110 +
1.111 +_STLP_TEMPLATE_NULL struct hash<long> {
1.112 + size_t operator()(long __x) const { return __x; }
1.113 +};
1.114 +_STLP_TEMPLATE_NULL struct hash<unsigned long> {
1.115 + size_t operator()(unsigned long __x) const { return __x; }
1.116 +};
1.117 +
1.118 +#if defined (_STLP_LONG_LONG)
1.119 +_STLP_TEMPLATE_NULL struct hash<_STLP_LONG_LONG> {
1.120 + size_t operator()(_STLP_LONG_LONG x) const { return (size_t)x; }
1.121 +};
1.122 +_STLP_TEMPLATE_NULL struct hash<unsigned _STLP_LONG_LONG> {
1.123 + size_t operator()(unsigned _STLP_LONG_LONG x) const { return (size_t)x; }
1.124 +};
1.125 +#endif
1.126 +
1.127 +_STLP_TEMPLATE_NULL
1.128 +struct hash<void *>
1.129 +{
1.130 + union __vp {
1.131 + size_t s;
1.132 + void *p;
1.133 + };
1.134 +
1.135 + size_t operator()(void *__x) const
1.136 + {
1.137 + __vp vp;
1.138 + vp.p = __x;
1.139 + return vp.s;
1.140 + }
1.141 +};
1.142 +
1.143 +_STLP_END_NAMESPACE
1.144 +
1.145 +#endif /* _STLP_HASH_FUN_H */
1.146 +
1.147 +// Local Variables:
1.148 +// mode:C++
1.149 +// End: