gcc/libstdc++/stl/stl_hash_fun.h
Jason Merrill df9262681b algorithm [...]: Update to SGI STL 3.11.
* algorithm alloc.h defalloc.h hash_map.h hash_set.h iterator
	memory pthread_alloc pthread_alloc.h rope ropeimpl.h stl_algo.h
	stl_algobase.h stl_alloc.h stl_bvector.h stl_config.h
	stl_construct.h stl_deque.h stl_function.h stl_hash_fun.h
	stl_hash_map.h stl_hash_set.h stl_hashtable.h stl_heap.h
	stl_iterator.h stl_list.h stl_map.h stl_multimap.h stl_multiset.h
	stl_numeric.h stl_pair.h stl_queue.h stl_raw_storage_iter.h
	stl_relops.h stl_rope.h stl_set.h stl_slist.h stl_stack.h
	stl_tempbuf.h stl_tree.h stl_uninitialized.h stl_vector.h
	tempbuf.h type_traits.h: Update to SGI STL 3.11.

From-SVN: r22190
1998-09-02 13:25:15 -04:00

94 lines
2.8 KiB
C++

/*
* Copyright (c) 1996-1998
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Hewlett-Packard Company makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*/
/* NOTE: This is an internal header file, included by other STL headers.
* You should not attempt to use it directly.
*/
#ifndef __SGI_STL_HASH_FUN_H
#define __SGI_STL_HASH_FUN_H
#include <stddef.h>
__STL_BEGIN_NAMESPACE
template <class _Key> struct hash { };
inline size_t __stl_hash_string(const char* __s)
{
unsigned long __h = 0;
for ( ; *__s; ++__s)
__h = 5*__h + *__s;
return size_t(__h);
}
__STL_TEMPLATE_NULL struct hash<char*>
{
size_t operator()(const char* __s) const { return __stl_hash_string(__s); }
};
__STL_TEMPLATE_NULL struct hash<const char*>
{
size_t operator()(const char* __s) const { return __stl_hash_string(__s); }
};
__STL_TEMPLATE_NULL struct hash<char> {
size_t operator()(char __x) const { return __x; }
};
__STL_TEMPLATE_NULL struct hash<unsigned char> {
size_t operator()(unsigned char __x) const { return __x; }
};
__STL_TEMPLATE_NULL struct hash<signed char> {
size_t operator()(unsigned char __x) const { return __x; }
};
__STL_TEMPLATE_NULL struct hash<short> {
size_t operator()(short __x) const { return __x; }
};
__STL_TEMPLATE_NULL struct hash<unsigned short> {
size_t operator()(unsigned short __x) const { return __x; }
};
__STL_TEMPLATE_NULL struct hash<int> {
size_t operator()(int __x) const { return __x; }
};
__STL_TEMPLATE_NULL struct hash<unsigned int> {
size_t operator()(unsigned int __x) const { return __x; }
};
__STL_TEMPLATE_NULL struct hash<long> {
size_t operator()(long __x) const { return __x; }
};
__STL_TEMPLATE_NULL struct hash<unsigned long> {
size_t operator()(unsigned long __x) const { return __x; }
};
__STL_END_NAMESPACE
#endif /* __SGI_STL_HASH_FUN_H */
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