src/ucx/avl.c

Sat, 29 Oct 2016 20:33:46 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 29 Oct 2016 20:33:46 +0200
changeset 123
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parent 99
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child 135
471e28cca288
permissions
-rw-r--r--

fixes CGI response headers

99
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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2015 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include "avl.h"
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30
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31 #define ptrcast(ptr) ((void*)(ptr))
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32
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33 static void ucx_avl_connect(UcxAVLTree *tree,
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34 UcxAVLNode *node, UcxAVLNode *child, intptr_t nullkey) {
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35 if (child) {
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36 child->parent = node;
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37 }
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38 // if child is NULL, nullkey decides if left or right pointer is cleared
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39 if (tree->cmpfunc(
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40 ptrcast(child ? child->key : nullkey),
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41 ptrcast(node->key), tree->userdata) > 0) {
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42 node->right = child;
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43 } else {
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44 node->left = child;
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45 }
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46 size_t lh = node->left ? node->left->height : 0;
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47 size_t rh = node->right ? node->right->height : 0;
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48 node->height = 1 + (lh > rh ? lh : rh);
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49 }
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50
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51 #define avlheight(node) ((node) ? (node)->height : 0)
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52
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53 static UcxAVLNode* avl_rotright(UcxAVLTree *tree, UcxAVLNode *l0) {
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54 UcxAVLNode *p = l0->parent;
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55 UcxAVLNode *l1 = l0->left;
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56 if (p) {
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57 ucx_avl_connect(tree, p, l1, 0);
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58 } else {
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59 l1->parent = NULL;
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60 }
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61 ucx_avl_connect(tree, l0, l1->right, l1->key);
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62 ucx_avl_connect(tree, l1, l0, 0);
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63 return l1;
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64 }
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65
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66 static UcxAVLNode* avl_rotleft(UcxAVLTree *tree, UcxAVLNode *l0) {
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67 UcxAVLNode *p = l0->parent;
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68 UcxAVLNode *l1 = l0->right;
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69 if (p) {
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70 ucx_avl_connect(tree, p, l1, 0);
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71 } else {
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72 l1->parent = NULL;
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73 }
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74 ucx_avl_connect(tree, l0, l1->left, l1->key);
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75 ucx_avl_connect(tree, l1, l0, 0);
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76 return l1;
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77 }
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78
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79 static void ucx_avl_balance(UcxAVLTree *tree, UcxAVLNode *n) {
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80 int lh = avlheight(n->left);
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81 int rh = avlheight(n->right);
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82 n->height = 1 + (lh > rh ? lh : rh);
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83
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84 if (lh - rh == 2) {
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85 UcxAVLNode *c = n->left;
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86 if (avlheight(c->right) - avlheight(c->left) == 1) {
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87 avl_rotleft(tree, c);
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88 }
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89 n = avl_rotright(tree, n);
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90 } else if (rh - lh == 2) {
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91 UcxAVLNode *c = n->right;
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92 if (avlheight(c->left) - avlheight(c->right) == 1) {
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93 avl_rotright(tree, c);
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94 }
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95 n = avl_rotleft(tree, n);
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96 }
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97
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98 if (n->parent) {
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99 ucx_avl_balance(tree, n->parent);
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100 } else {
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101 tree->root = n;
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102 }
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103 }
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104
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105 UcxAVLTree *ucx_avl_new(cmp_func cmpfunc) {
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106 return ucx_avl_new_a(cmpfunc, ucx_default_allocator());
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107 }
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108
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109 UcxAVLTree *ucx_avl_new_a(cmp_func cmpfunc, UcxAllocator *allocator) {
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110 UcxAVLTree *tree = almalloc(allocator, sizeof(UcxAVLTree));
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111 if (tree) {
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112 tree->allocator = allocator;
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113 tree->cmpfunc = cmpfunc;
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114 tree->root = NULL;
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115 tree->userdata = NULL;
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116 }
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117
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118 return tree;
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119 }
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120
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121 static void ucx_avl_free_node(UcxAllocator *al, UcxAVLNode *node) {
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122 if (node) {
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123 ucx_avl_free_node(al, node->left);
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124 ucx_avl_free_node(al, node->right);
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125 alfree(al, node);
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126 }
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127 }
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128
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129 void ucx_avl_free(UcxAVLTree *tree) {
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130 UcxAllocator *al = tree->allocator;
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131 ucx_avl_free_node(al, tree->root);
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132 alfree(al, tree);
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133 }
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134
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135 UcxAVLNode *ucx_avl_get_node(UcxAVLTree *tree, intptr_t key) {
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136 UcxAVLNode *n = tree->root;
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137 int cmpresult;
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138 while (n && (cmpresult = tree->cmpfunc(
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139 ptrcast(key), ptrcast(n->key), tree->userdata))) {
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140 n = cmpresult > 0 ? n->right : n->left;
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141 }
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142 return n;
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143 }
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144
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145 void *ucx_avl_get(UcxAVLTree *tree, intptr_t key) {
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146 UcxAVLNode *n = ucx_avl_get_node(tree, key);
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147 return n ? n->value : NULL;
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148 }
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149
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150 int ucx_avl_put(UcxAVLTree *tree, intptr_t key, void *value) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
151 return ucx_avl_put_s(tree, key, value, NULL);
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
152 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
153
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
154 int ucx_avl_put_s(UcxAVLTree *tree, intptr_t key, void *value,
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
155 void **oldvalue) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
156 if (tree->root) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
157 UcxAVLNode *n = tree->root;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
158 int cmpresult;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
159 while ((cmpresult = tree->cmpfunc(
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
160 ptrcast(key), ptrcast(n->key), tree->userdata))) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
161 UcxAVLNode *m = cmpresult > 0 ? n->right : n->left;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
162 if (m) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
163 n = m;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
164 } else {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
165 break;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
166 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
167 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
168
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
169 if (cmpresult) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
170 UcxAVLNode *e = almalloc(tree->allocator, sizeof(UcxAVLNode));
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
171 if (e) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
172 e->key = key; e->value = value; e->height = 1;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
173 e->parent = e->left = e->right = NULL;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
174 ucx_avl_connect(tree, n, e, 0);
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
175 ucx_avl_balance(tree, n);
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
176 return 0;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
177 } else {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
178 return 1;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
179 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
180 } else {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
181 if (oldvalue) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
182 *oldvalue = n->value;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
183 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
184 n->value = value;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
185 return 0;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
186 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
187 } else {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
188 tree->root = almalloc(tree->allocator, sizeof(UcxAVLNode));
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
189 if (tree->root) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
190 tree->root->key = key; tree->root->value = value;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
191 tree->root->height = 1;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
192 tree->root->parent = tree->root->left = tree->root->right = NULL;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
193
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
194 if (oldvalue) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
195 *oldvalue = NULL;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
196 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
197
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
198 return 0;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
199 } else {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
200 return 1;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
201 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
202 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
203 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
204
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
205 int ucx_avl_remove(UcxAVLTree *tree, intptr_t key) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
206 return ucx_avl_remove_s(tree, key, NULL, NULL);
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
207 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
208
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
209 int ucx_avl_remove_node(UcxAVLTree *tree, UcxAVLNode *node) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
210 return ucx_avl_remove_s(tree, node->key, NULL, NULL);
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
211 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
212
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
213 int ucx_avl_remove_s(UcxAVLTree *tree, intptr_t key,
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
214 intptr_t *oldkey, void **oldvalue) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
215
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
216 UcxAVLNode *n = tree->root;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
217 int cmpresult;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
218 while (n && (cmpresult = tree->cmpfunc(
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
219 ptrcast(key), ptrcast(n->key), tree->userdata))) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
220 n = cmpresult > 0 ? n->right : n->left;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
221 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
222 if (n) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
223 if (oldkey) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
224 *oldkey = n->key;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
225 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
226 if (oldvalue) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
227 *oldvalue = n->value;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
228 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
229
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
230 UcxAVLNode *p = n->parent;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
231 if (n->left && n->right) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
232 UcxAVLNode *s = n->right;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
233 while (s->left) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
234 s = s->left;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
235 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
236 ucx_avl_connect(tree, s->parent, s->right, s->key);
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
237 n->key = s->key; n->value = s->value;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
238 p = s->parent;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
239 alfree(tree->allocator, s);
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
240 } else {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
241 if (p) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
242 ucx_avl_connect(tree, p, n->right ? n->right:n->left, n->key);
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
243 } else {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
244 tree->root = n->right ? n->right : n->left;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
245 if (tree->root) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
246 tree->root->parent = NULL;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
247 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
248 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
249 alfree(tree->allocator, n);
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
250 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
251
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
252 if (p) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
253 ucx_avl_balance(tree, p);
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
254 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
255
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
256 return 0;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
257 } else {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
258 return 1;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
259 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
260 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
261
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
262 static size_t ucx_avl_countn(UcxAVLNode *node) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
263 if (node) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
264 return 1 + ucx_avl_countn(node->left) + ucx_avl_countn(node->right);
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
265 } else {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
266 return 0;
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
267 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
268 }
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
269
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
270 size_t ucx_avl_count(UcxAVLTree *tree) {
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
271 return ucx_avl_countn(tree->root);
b9a6af0ae41a ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
272 }

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