diff options
Diffstat (limited to 'source/kernel/gen_system/GEN_HashedPtr.cpp')
| -rw-r--r-- | source/kernel/gen_system/GEN_HashedPtr.cpp | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/source/kernel/gen_system/GEN_HashedPtr.cpp b/source/kernel/gen_system/GEN_HashedPtr.cpp deleted file mode 100644 index f065d27bee2..00000000000 --- a/source/kernel/gen_system/GEN_HashedPtr.cpp +++ /dev/null @@ -1,62 +0,0 @@ -/* - * $Id$ - * - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program 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 2 - * of the License, or (at your option) any later version. - * - * This program 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Contributor(s): none yet. - * - * ***** END GPL LICENSE BLOCK ***** - * - */ - -/** \file kernel/gen_system/GEN_HashedPtr.cpp - * \ingroup gensys - */ - -#include "GEN_HashedPtr.h" - -#include "BLO_sys_types.h" // for intptr_t support - -// -// Build hash index from pointer. Even though the final result -// is a 32-bit integer, use all the bits of the pointer as long -// as possible. -// -#if 1 -unsigned int GEN_Hash(void * inDWord) -{ - uintptr_t key = (uintptr_t)inDWord; -#if 0 - // this is way too complicated - key += ~(key << 16); - key ^= (key >> 5); - key += (key << 3); - key ^= (key >> 13); - key += ~(key << 9); - key ^= (key >> 17); - - return (unsigned int)(key & 0xffffffff); -#else - return (unsigned int)(key ^ (key>>4)); -#endif -} -#endif |