gcc/libstdc++-v3/libsupc++/hash_bytes.h
Benjamin Kosnik 7c3e9502c3 re PR libstdc++/36104 (gnu-versioned-namespace is broken)
2011-01-14  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/36104
	* include/Makefile.am (bits_sup_headers, stamp-bits-sup): New.
	* include/Makefile.in: Regenerate.
	* libsupc++/Makefile.am (std_HEADERS, bits_HEADERS): New.
	(install-stdHEADERS, install-bitsHEADERS): New.
	* libsupc++/Makefile.in: Regenerate.

	* include/bits/c++config: Update for inline namespaces.
	* libsupc++/cxxabi-forced.h: To...
	* libsupc++/cxxabi_forced.h: ...this.
	* libsupc++/hash_bytes.h: Separate file.
	* libsupc++/typeinfo: Use it.
	* libsupc++/exception: Adjust for bits subdirectory.
	* libsupc++/eh_aux_runtime.cc: Same.
	* libsupc++/eh_ptr.cc: Same.
	* libsupc++/new_op.cc: Same.
	* libsupc++/exception_defines.h: Same.
	* libsupc++/nested_exception.h: Same.
	* libsupc++/eh_terminate.cc: Same.
	* libsupc++/vec.cc: Same.
	* libsupc++/vterminate.cc: Same.
	* libsupc++/exception_ptr.h: Same.
	* libsupc++/eh_personality.cc: Same.
	* libsupc++/eh_call.cc: Same.
	* libsupc++/new_opnt.cc: Same.
	* libsupc++/hash_bytes.cc: Same.
	* config/cpu/arm/cxxabi_tweaks.h: Same.
	* config/cpu/generic/cxxabi_tweaks.h: Same.
	* libsupc++/cxxabi.h: Same. Consolidate _GLIBCXX_NOTHROW defines.
	* include/std/bitset: Same.
	* include/ext/vstring.tcc: Same.
	* include/bits/hashtable.h: Same.
	* include/bits/functional_hash.h: Same.
	* include/bits/hashtable_policy.h: Same.
	* include/bits/basic_string.h: Same.
	* include/bits/istream.tcc: Same.
	* include/bits/ostream.tcc: Same.
	* include/bits/algorithmfwd.h: Same.
	* include/bits/basic_string.tcc: Same.
	* include/bits/ostream_insert.h: Same.
	* include/bits/fstream.tcc: Same.
	* include/bits/functexcept.h: Same.

	* doc/doxygen/user.cfg.in: Adjust names.

	* testsuite/ext/profile/mutex_extensions_neg.cc: Adjust line numbers.

From-SVN: r168831
2011-01-15 00:27:10 +00:00

57 lines
2.1 KiB
C++

// Declarations for hash functions. -*- C++ -*-
// Copyright (C) 2010, 2011 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
/** @file bits/hash_bytes.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{functional}
*/
#ifndef _HASH_BYTES_H
#define _HASH_BYTES_H 1
#pragma GCC system_header
#include <bits/c++config.h>
_GLIBCXX_BEGIN_NAMESPACE(std)
// Hash function implementation for the nontrivial specialization.
// All of them are based on a primitive that hashes a pointer to a
// byte array. The actual hash algorithm is not guaranteed to stay
// the same from release to release -- it may be updated or tuned to
// improve hash quality or speed.
size_t
_Hash_bytes(const void* __ptr, size_t __len, size_t __seed);
// A similar hash primitive, using the FNV hash algorithm. This
// algorithm is guaranteed to stay the same from release to release.
// (although it might not produce the same values on different
// machines.)
size_t
_Fnv_hash_bytes(const void* __ptr, size_t __len, size_t __seed);
_GLIBCXX_END_NAMESPACE
#endif