Commit eacc711dbf23da7361be9383000ee79f18e72534
1 parent
07cb2069
moved tree macros to trbase library, as they are also used in the memory managem…
…ent. Some small fixes
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3 changed files
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7 additions
and
103 deletions
@@ -23,104 +23,9 @@ | @@ -23,104 +23,9 @@ | ||
23 | #ifndef __TR_TREE_H__ | 23 | #ifndef __TR_TREE_H__ |
24 | #define __TR_TREE_H__ | 24 | #define __TR_TREE_H__ |
25 | 25 | ||
26 | +#include "tr/tree_macros.h" | ||
26 | #include "trbase.h" | 27 | #include "trbase.h" |
27 | 28 | ||
28 | -#define TR_TREE_RIGHT(node) (NULL!=(node)?(node)->right:NULL) | ||
29 | -#define TR_TREE_LEFT(node) (NULL!=(node)?(node)->left:NULL) | ||
30 | -#define TR_TREE_PARENT(node) (NULL!=(node)?(node)->parent:NULL) | ||
31 | - | ||
32 | -/* | ||
33 | - * Find data in a tree. | ||
34 | - * Attention: This will change node, so normally you need to copy | ||
35 | - * it before using this macro. | ||
36 | - * Also be aware that found needs to be a valid lvalue and an integer. | ||
37 | - */ | ||
38 | -#define TR_TREE_FIND(node, search, found, comp) \ | ||
39 | - (found) = -1; \ | ||
40 | - while((node) && ((node)->left || (node)->right)) { \ | ||
41 | - (found) = (comp)((node)->data, (search)); \ | ||
42 | - if (0 != (found)) { \ | ||
43 | - if (0 < (found)) { \ | ||
44 | - (node) = (node)->left; \ | ||
45 | - } else { \ | ||
46 | - (node) = (node)->right; \ | ||
47 | - } \ | ||
48 | - } else { \ | ||
49 | - break; \ | ||
50 | - } \ | ||
51 | - } | ||
52 | - | ||
53 | -#define TR_TREE_CHILD(node) \ | ||
54 | - (NULL==TR_TREE_RIGHT((node))?TR_TREE_LEFT((node)):TR_TREE_RIGHT((node))) | ||
55 | - | ||
56 | -#define TR_TREE_SIBLING(node) \ | ||
57 | - (NULL!=TR_TREE_PARENT((node))? \ | ||
58 | - ((node)==TR_TREE_PARENT((node))->left? \ | ||
59 | - TR_TREE_PARENT((node))->right: \ | ||
60 | - TR_TREE_PARENT((node))->left): \ | ||
61 | - NULL) | ||
62 | - | ||
63 | -#define TR_TREE_GRANDPARENT(node) (TR_TREE_PARENT((node))->parent) | ||
64 | - | ||
65 | -#define TR_TREE_UNCLE(node) \ | ||
66 | - ((node)->parent == (node)->parent->parent->left? \ | ||
67 | - (node)->parent->parent->right: \ | ||
68 | - (node)->parent->parent->left) | ||
69 | - | ||
70 | -#define TR_TREE_REPLACE_NODE(root, node1, node2) \ | ||
71 | - if (NULL != (node1)->parent) { \ | ||
72 | - if ((node1) == (node1)->parent->left) { \ | ||
73 | - (node1)->parent->left = (node2); \ | ||
74 | - } else { \ | ||
75 | - (node1)->parent->right = (node2); \ | ||
76 | - } \ | ||
77 | - } else { \ | ||
78 | - *(root) = (node2); \ | ||
79 | - } \ | ||
80 | - if (NULL != (node2)) { \ | ||
81 | - (node2)->parent = (node1)->parent; \ | ||
82 | - } | ||
83 | - | ||
84 | -#define TR_TREE_ROT_RCLD_right(node) ((node)->left) | ||
85 | -#define TR_TREE_ROT_RCLD_left(node) ((node)->right) | ||
86 | - | ||
87 | -#define TR_TREE_ROTATE(lr, root, node) \ | ||
88 | - if (NULL != (node)) { \ | ||
89 | - void * stPar = node->parent; \ | ||
90 | - void * relCld = TR_TREE_ROT_RCLD_##lr(node); \ | ||
91 | - void * relCCld = TR_TREE_ROT_RCLD_##lr(node)->lr; \ | ||
92 | - void * nLeft_p = &TR_TREE_ROT_RCLD_##lr(node); \ | ||
93 | - if (NULL != relCCld) { \ | ||
94 | - TR_TREE_ROT_RCLD_##lr(node)->lr->parent = node; \ | ||
95 | - } \ | ||
96 | - TR_TREE_ROT_RCLD_##lr(node)->lr = node; \ | ||
97 | - if (NULL != node->parent) { \ | ||
98 | - if (node->parent->left == node) { \ | ||
99 | - node->parent->left = relCld; \ | ||
100 | - } else { \ | ||
101 | - node->parent->right = relCld; \ | ||
102 | - } \ | ||
103 | - } else { \ | ||
104 | - *(root) = relCld; \ | ||
105 | - } \ | ||
106 | - node->parent = relCld; \ | ||
107 | - TR_TREE_ROT_RCLD_##lr(node)->parent = stPar; \ | ||
108 | - *(void**)nLeft_p = relCCld; \ | ||
109 | - } | ||
110 | - | ||
111 | -typedef enum {rbBlack=1, rbRed=2} TR_rbColor; | ||
112 | - | ||
113 | -#define TR_TREE_NODE_BLACK(node) (NULL == (node) || rbBlack == (node)->color) | ||
114 | -#define TR_TREE_NODE_RED(node) (NULL == (node) || rbRed == (node)->color) | ||
115 | -#define TR_TREE_NODE_STRICT_BLACK(node) (NULL != (node) && rbBlack == (node)->color) | ||
116 | -#define TR_TREE_NODE_STRICT_RED(node) (NULL != (node) && rbRed == (node)->color) | ||
117 | - | ||
118 | -#define TR_TREE_INORDER_SUCC(node, succ) \ | ||
119 | - succ = (node)->right; \ | ||
120 | - while (NULL != succ->left) { \ | ||
121 | - succ = succ->left; \ | ||
122 | - } | ||
123 | - | ||
124 | TR_CLASS(TR_Tree) { | 29 | TR_CLASS(TR_Tree) { |
125 | void * data; | 30 | void * data; |
126 | 31 |
@@ -26,9 +26,9 @@ | @@ -26,9 +26,9 @@ | ||
26 | void * | 26 | void * |
27 | TR_treeDelete(TR_Tree * this, const void * search, TR_TreeComp comp) | 27 | TR_treeDelete(TR_Tree * this, const void * search, TR_TreeComp comp) |
28 | { | 28 | { |
29 | - TR_Tree node = *this; | ||
30 | - TR_Tree del_node; | ||
31 | - int found; | 29 | + TR_Tree node = *this; |
30 | + TR_Tree del_node; | ||
31 | + int found; | ||
32 | 32 | ||
33 | void * data; | 33 | void * data; |
34 | 34 |
@@ -25,12 +25,11 @@ | @@ -25,12 +25,11 @@ | ||
25 | void * | 25 | void * |
26 | TR_treeFind(TR_Tree this, const void * search, TR_TreeComp comp) | 26 | TR_treeFind(TR_Tree this, const void * search, TR_TreeComp comp) |
27 | { | 27 | { |
28 | - TR_Tree node = this; | ||
29 | - int found; | 28 | + int found; |
30 | 29 | ||
31 | - TR_TREE_FIND(node, search, found, comp); | 30 | + TR_TREE_FIND(this, search, found, comp); |
32 | 31 | ||
33 | - return found == 0 ? node->data : NULL; | 32 | + return found == 0 ? this->data : NULL; |
34 | } | 33 | } |
35 | 34 | ||
36 | // vim: set ts=4 sw=4: | 35 | // vim: set ts=4 sw=4: |
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