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https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git
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48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/* NetworkManager -- Network link manager
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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* (C) Copyright 2017 Red Hat, Inc.
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*/
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#ifndef __NM_HASH_UTILS_H__
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#define __NM_HASH_UTILS_H__
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guint NM_HASH_INIT (guint seed);
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static inline guint
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NM_HASH_COMBINE (guint h, guint val)
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{
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/* see g_str_hash() for reasons */
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return (h << 5) + h + val;
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}
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static inline guint
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NM_HASH_COMBINE_UINT64 (guint h, guint64 val)
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{
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return NM_HASH_COMBINE (h, (((guint) val) & 0xFFFFFFFFu) + ((guint) (val >> 32)));
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}
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static inline guint
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NM_HASH_POINTER (gconstpointer ptr)
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{
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/* same as g_direct_hash(), but inline. */
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return GPOINTER_TO_UINT (ptr);
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}
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#endif /* __NM_HASH_UTILS_H__ */
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