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9b7a617a0e
ebtree is one piece using a lot of inlines and each tree root or node definition needed by many of our structures requires to parse and compile all these includes, which is large and painfully slow. Let's move the very basic definitions to their own file and include it from ebtree.h.
157 lines
5.1 KiB
C
157 lines
5.1 KiB
C
/*
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* Elastic Binary Trees - macros and structures for operations on pointer nodes.
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* Version 6.0.6
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* (C) 2002-2011 - Willy Tarreau <w@1wt.eu>
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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, version 2.1
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* exclusively.
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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 Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _EBPTTREE_H
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#define _EBPTTREE_H
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#include "ebtree.h"
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#include "eb32tree.h"
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#include "eb64tree.h"
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/* Return the structure of type <type> whose member <member> points to <ptr> */
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#define ebpt_entry(ptr, type, member) container_of(ptr, type, member)
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/*
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* Exported functions and macros.
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* Many of them are always inlined because they are extremely small, and
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* are generally called at most once or twice in a program.
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*/
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/* Return leftmost node in the tree, or NULL if none */
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static forceinline struct ebpt_node *ebpt_first(struct eb_root *root)
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{
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return ebpt_entry(eb_first(root), struct ebpt_node, node);
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}
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/* Return rightmost node in the tree, or NULL if none */
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static forceinline struct ebpt_node *ebpt_last(struct eb_root *root)
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{
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return ebpt_entry(eb_last(root), struct ebpt_node, node);
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}
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/* Return next node in the tree, or NULL if none */
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static forceinline struct ebpt_node *ebpt_next(struct ebpt_node *ebpt)
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{
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return ebpt_entry(eb_next(&ebpt->node), struct ebpt_node, node);
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}
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/* Return previous node in the tree, or NULL if none */
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static forceinline struct ebpt_node *ebpt_prev(struct ebpt_node *ebpt)
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{
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return ebpt_entry(eb_prev(&ebpt->node), struct ebpt_node, node);
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}
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/* Return next leaf node within a duplicate sub-tree, or NULL if none. */
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static inline struct ebpt_node *ebpt_next_dup(struct ebpt_node *ebpt)
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{
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return ebpt_entry(eb_next_dup(&ebpt->node), struct ebpt_node, node);
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}
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/* Return previous leaf node within a duplicate sub-tree, or NULL if none. */
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static inline struct ebpt_node *ebpt_prev_dup(struct ebpt_node *ebpt)
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{
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return ebpt_entry(eb_prev_dup(&ebpt->node), struct ebpt_node, node);
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}
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/* Return next node in the tree, skipping duplicates, or NULL if none */
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static forceinline struct ebpt_node *ebpt_next_unique(struct ebpt_node *ebpt)
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{
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return ebpt_entry(eb_next_unique(&ebpt->node), struct ebpt_node, node);
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}
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/* Return previous node in the tree, skipping duplicates, or NULL if none */
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static forceinline struct ebpt_node *ebpt_prev_unique(struct ebpt_node *ebpt)
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{
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return ebpt_entry(eb_prev_unique(&ebpt->node), struct ebpt_node, node);
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}
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/* Delete node from the tree if it was linked in. Mark the node unused. Note
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* that this function relies on a non-inlined generic function: eb_delete.
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*/
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static forceinline void ebpt_delete(struct ebpt_node *ebpt)
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{
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eb_delete(&ebpt->node);
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}
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/*
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* The following functions are inlined but derived from the integer versions.
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*/
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static forceinline struct ebpt_node *ebpt_lookup(struct eb_root *root, void *x)
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{
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if (sizeof(void *) == 4)
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return (struct ebpt_node *)eb32_lookup(root, (u32)(PTR_INT_TYPE)x);
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else
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return (struct ebpt_node *)eb64_lookup(root, (u64)(PTR_INT_TYPE)x);
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}
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static forceinline struct ebpt_node *ebpt_lookup_le(struct eb_root *root, void *x)
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{
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if (sizeof(void *) == 4)
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return (struct ebpt_node *)eb32_lookup_le(root, (u32)(PTR_INT_TYPE)x);
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else
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return (struct ebpt_node *)eb64_lookup_le(root, (u64)(PTR_INT_TYPE)x);
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}
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static forceinline struct ebpt_node *ebpt_lookup_ge(struct eb_root *root, void *x)
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{
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if (sizeof(void *) == 4)
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return (struct ebpt_node *)eb32_lookup_ge(root, (u32)(PTR_INT_TYPE)x);
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else
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return (struct ebpt_node *)eb64_lookup_ge(root, (u64)(PTR_INT_TYPE)x);
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}
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static forceinline struct ebpt_node *ebpt_insert(struct eb_root *root, struct ebpt_node *new)
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{
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if (sizeof(void *) == 4)
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return (struct ebpt_node *)eb32_insert(root, (struct eb32_node *)new);
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else
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return (struct ebpt_node *)eb64_insert(root, (struct eb64_node *)new);
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}
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/*
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* The following functions are less likely to be used directly, because
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* their code is larger. The non-inlined version is preferred.
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*/
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/* Delete node from the tree if it was linked in. Mark the node unused. */
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static forceinline void __ebpt_delete(struct ebpt_node *ebpt)
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{
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__eb_delete(&ebpt->node);
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}
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static forceinline struct ebpt_node *__ebpt_lookup(struct eb_root *root, void *x)
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{
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if (sizeof(void *) == 4)
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return (struct ebpt_node *)__eb32_lookup(root, (u32)(PTR_INT_TYPE)x);
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else
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return (struct ebpt_node *)__eb64_lookup(root, (u64)(PTR_INT_TYPE)x);
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}
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static forceinline struct ebpt_node *__ebpt_insert(struct eb_root *root, struct ebpt_node *new)
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{
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if (sizeof(void *) == 4)
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return (struct ebpt_node *)__eb32_insert(root, (struct eb32_node *)new);
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else
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return (struct ebpt_node *)__eb64_insert(root, (struct eb64_node *)new);
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}
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#endif /* _EBPT_TREE_H */
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