2001-06-27 19:09:53 +02:00
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// 'struct hash' from SGI -*- C++ -*-
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2010-03-16 23:34:53 +01:00
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// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2009, 2010
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// Free Software Foundation, Inc.
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2001-06-27 19:09:53 +02:00
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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2009-04-09 17:00:19 +02:00
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// Free Software Foundation; either version 3, or (at your option)
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2001-06-27 19:09:53 +02:00
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// any later version.
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// This library 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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2009-04-09 17:00:19 +02:00
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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2001-06-27 19:09:53 +02:00
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2009-04-09 17:00:19 +02:00
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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2001-06-27 19:09:53 +02:00
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2000-10-05 13:27:02 +02:00
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/*
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* Copyright (c) 1996-1998
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* Silicon Graphics Computer Systems, Inc.
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Silicon Graphics makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Hewlett-Packard Company makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*/
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2007-10-18 17:22:58 +02:00
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/** @file backward/hash_fun.h
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Makefile.am (doxygen, [...]): Tweak targets.
2002-01-28 Phil Edwards <pme@gcc.gnu.org>
* Makefile.am (doxygen, doxygen-maint, doxygen-man): Tweak targets.
* Makefile.in: Regenerate.
* docs/doxygen/run_doxygen: Update, mostly for man pages.
* docs/doxygen/Intro.3: Update.
* docs/doxygen/TODO: Update.
* docs/doxygen/doxygroups.cc: Add namespace hook for __gnu_cxx.
* docs/doxygen/mainpage.doxy: Update.
* docs/doxygen/user.cfg.in: Update for header rename. Also
regenerate comments and variables with 1.2.12.
* docs/doxygen/maint.cfg.in: Remove file.
* include/bits/stl_relops.h: Doxygenate.
* include/bits/stl_tempbuf.h (std::_Temporary_buffer): Likewise.
* include/c_std/std_cassert.h, include/c_std/std_cctype.h,
include/c_std/std_cerrno.h, include/c_std/std_cfloat.h,
include/c_std/std_ciso646.h, include/c_std/std_climits.h,
include/c_std/std_clocale.h, include/c_std/std_cmath.h,
include/c_std/std_csetjmp.h, include/c_std/std_csignal.h,
include/c_std/std_cstdarg.h, include/c_std/std_cstddef.h,
include/c_std/std_cstdio.h, include/c_std/std_cstdlib.h,
include/c_std/std_cstring.h, include/c_std/std_ctime.h,
include/c_std/std_cwchar.h, include/c_std/std_cwctype.h,
include/ext/algorithm, include/ext/functional, include/ext/hash_map,
include/ext/hash_set, include/ext/iterator, include/ext/memory,
include/ext/numeric, include/ext/rb_tree, include/ext/rope,
include/ext/ropeimpl.h, include/ext/slist, include/ext/stl_hash_fun.h,
include/ext/stl_hashtable.h, include/ext/stl_rope.h,
include/std/std_algorithm.h, include/std/std_bitset.h,
include/std/std_complex.h, include/std/std_deque.h,
include/std/std_fstream.h, include/std/std_functional.h,
include/std/std_iomanip.h, include/std/std_ios.h,
include/std/std_iosfwd.h, include/std/std_iostream.h,
include/std/std_istream.h, include/std/std_iterator.h,
include/std/std_limits.h, include/std/std_list.h,
include/std/std_locale.h, include/std/std_map.h,
include/std/std_memory.h, include/std/std_numeric.h,
include/std/std_ostream.h, include/std/std_queue.h,
include/std/std_set.h, include/std/std_sstream.h,
include/std/std_stack.h, include/std/std_stdexcept.h,
include/std/std_streambuf.h, include/std/std_string.h,
include/std/std_utility.h, include/std/std_valarray.h,
include/std/std_vector.h: Add/correct @file doxygen hook.
* include/ext/memory: Doxygenate most of rest of file.
* libsupc++/exception: Doxygen output formatting.
* libsupc++/new: Say which header it is.
* testsuite/lib/libstdc++-v3-dg.exp: Fix spacing.
* docs/html/19_diagnostics/howto.html: Describe concept-checks switch.
* docs/html/23_containers/howto.html: Describe O(n) list::size().
* docs/html/27_io/howto.html: Also link to Langer and Kreft text.
From-SVN: r49300
2002-01-28 23:13:12 +01:00
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* This file is a GNU extension to the Standard C++ Library (possibly
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2004-11-24 05:11:23 +01:00
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* containing extensions from the HP/SGI STL subset).
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2000-10-05 13:27:02 +02:00
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*/
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2010-03-16 23:34:53 +01:00
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#ifndef _BACKWARD_HASH_FUN_H
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#define _BACKWARD_HASH_FUN_H 1
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2000-10-05 13:27:02 +02:00
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2010-06-03 21:15:56 +02:00
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#include <bits/c++config.h>
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2000-10-05 13:27:02 +02:00
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2005-12-19 01:56:05 +01:00
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_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
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2003-06-06 17:50:28 +02:00
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using std::size_t;
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2004-06-12 10:10:24 +02:00
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template<class _Key>
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struct hash { };
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2003-06-06 17:50:28 +02:00
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algorithm, [...]: Remove trailing whitespace.
* include/ext/algorithm, include/ext/debug_allocator.h,
include/ext/enc_filebuf.h, include/ext/functional,
include/ext/hash_fun.h, include/ext/hash_map, include/ext/hash_set,
include/ext/hashtable.h, include/ext/iterator,
include/ext/malloc_allocator.h, include/ext/memory,
include/ext/mt_allocator.h, include/ext/numeric,
include/ext/pod_char_traits.h, include/ext/pool_allocator.h,
include/ext/rb_tree, include/ext/rope, include/ext/ropeimpl.h,
include/ext/slist, include/ext/stdio_filebuf.h,
include/ext/stdio_sync_filebuf.h: Remove trailing whitespace.
From-SVN: r74464
2003-12-09 05:31:53 +01:00
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inline size_t
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2003-06-06 17:50:28 +02:00
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__stl_hash_string(const char* __s)
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{
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algorithm, [...]: Remove trailing whitespace.
* include/ext/algorithm, include/ext/debug_allocator.h,
include/ext/enc_filebuf.h, include/ext/functional,
include/ext/hash_fun.h, include/ext/hash_map, include/ext/hash_set,
include/ext/hashtable.h, include/ext/iterator,
include/ext/malloc_allocator.h, include/ext/memory,
include/ext/mt_allocator.h, include/ext/numeric,
include/ext/pod_char_traits.h, include/ext/pool_allocator.h,
include/ext/rb_tree, include/ext/rope, include/ext/ropeimpl.h,
include/ext/slist, include/ext/stdio_filebuf.h,
include/ext/stdio_sync_filebuf.h: Remove trailing whitespace.
From-SVN: r74464
2003-12-09 05:31:53 +01:00
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unsigned long __h = 0;
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2003-06-06 17:50:28 +02:00
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for ( ; *__s; ++__s)
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2004-06-12 10:10:24 +02:00
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__h = 5 * __h + *__s;
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2003-06-06 17:50:28 +02:00
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return size_t(__h);
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}
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2004-06-12 10:10:24 +02:00
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template<>
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struct hash<char*>
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{
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size_t
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operator()(const char* __s) const
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{ return __stl_hash_string(__s); }
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};
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template<>
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struct hash<const char*>
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{
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size_t
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operator()(const char* __s) const
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{ return __stl_hash_string(__s); }
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};
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template<>
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struct hash<char>
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{
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size_t
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operator()(char __x) const
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{ return __x; }
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};
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template<>
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struct hash<unsigned char>
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{
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size_t
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operator()(unsigned char __x) const
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{ return __x; }
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};
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template<>
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struct hash<signed char>
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{
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size_t
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operator()(unsigned char __x) const
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{ return __x; }
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};
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template<>
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struct hash<short>
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{
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size_t
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operator()(short __x) const
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{ return __x; }
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};
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template<>
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struct hash<unsigned short>
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{
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size_t
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operator()(unsigned short __x) const
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{ return __x; }
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};
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template<>
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struct hash<int>
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{
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size_t
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operator()(int __x) const
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{ return __x; }
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};
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template<>
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struct hash<unsigned int>
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{
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size_t
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operator()(unsigned int __x) const
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{ return __x; }
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};
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template<>
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struct hash<long>
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{
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size_t
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operator()(long __x) const
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{ return __x; }
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};
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template<>
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struct hash<unsigned long>
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{
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size_t
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operator()(unsigned long __x) const
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{ return __x; }
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};
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2005-12-19 01:56:05 +01:00
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_GLIBCXX_END_NAMESPACE
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2000-10-05 13:27:02 +02:00
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algorithm, [...]: Remove trailing whitespace.
* include/ext/algorithm, include/ext/debug_allocator.h,
include/ext/enc_filebuf.h, include/ext/functional,
include/ext/hash_fun.h, include/ext/hash_map, include/ext/hash_set,
include/ext/hashtable.h, include/ext/iterator,
include/ext/malloc_allocator.h, include/ext/memory,
include/ext/mt_allocator.h, include/ext/numeric,
include/ext/pod_char_traits.h, include/ext/pool_allocator.h,
include/ext/rb_tree, include/ext/rope, include/ext/ropeimpl.h,
include/ext/slist, include/ext/stdio_filebuf.h,
include/ext/stdio_sync_filebuf.h: Remove trailing whitespace.
From-SVN: r74464
2003-12-09 05:31:53 +01:00
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#endif
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