src/linked_list.c

Wed, 17 Jan 2024 21:01:50 +0100

author
Mike Becker <universe@uap-core.de>
date
Wed, 17 Jan 2024 21:01:50 +0100
changeset 814
5f9e07d3dd6c
parent 807
c8d692131b1e
child 829
7d4e31d295af
permissions
-rw-r--r--

fix using warning options with compilers which do not support them - fixes #363

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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 2021 Mike Becker, 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 "cx/linked_list.h"
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30 #include "cx/utils.h"
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31 #include "cx/compare.h"
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32 #include <string.h>
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33 #include <assert.h>
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34
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35 // LOW LEVEL LINKED LIST FUNCTIONS
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36
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37 #define CX_LL_PTR(cur, off) (*(void**)(((char*)(cur))+(off)))
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38 #define ll_prev(node) CX_LL_PTR(node, loc_prev)
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39 #define ll_next(node) CX_LL_PTR(node, loc_next)
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40 #define ll_advance(node) CX_LL_PTR(node, loc_advance)
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41 #define ll_data(node) (((char*)(node))+loc_data)
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42
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43 void *cx_linked_list_at(
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44 void const *start,
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45 size_t start_index,
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46 ptrdiff_t loc_advance,
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47 size_t index
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48 ) {
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49 assert(start != NULL);
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50 assert(loc_advance >= 0);
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51 size_t i = start_index;
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52 void const *cur = start;
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53 while (i != index && cur != NULL) {
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54 cur = ll_advance(cur);
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55 i < index ? i++ : i--;
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56 }
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57 return (void *) cur;
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58 }
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59
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60 ssize_t cx_linked_list_find(
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61 void const *start,
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62 ptrdiff_t loc_advance,
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63 ptrdiff_t loc_data,
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64 cx_compare_func cmp_func,
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65 void const *elem
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66 ) {
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67 void *dummy;
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68 return cx_linked_list_find_node(
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69 &dummy, start,
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70 loc_advance, loc_data,
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71 cmp_func, elem
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72 );
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73 }
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74
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75 ssize_t cx_linked_list_find_node(
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76 void **result,
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77 void const *start,
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78 ptrdiff_t loc_advance,
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79 ptrdiff_t loc_data,
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80 cx_compare_func cmp_func,
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81 void const *elem
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82 ) {
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83 assert(result != NULL);
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84 assert(start != NULL);
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85 assert(loc_advance >= 0);
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86 assert(loc_data >= 0);
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87 assert(cmp_func);
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88
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89 void const *node = start;
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90 ssize_t index = 0;
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91 do {
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92 void *current = ll_data(node);
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93 if (cmp_func(current, elem) == 0) {
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94 *result = (void*) node;
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95 return index;
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96 }
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97 node = ll_advance(node);
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98 index++;
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99 } while (node != NULL);
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100 *result = NULL;
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101 return -1;
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102 }
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103
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104 void *cx_linked_list_first(
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105 void const *node,
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106 ptrdiff_t loc_prev
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107 ) {
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108 return cx_linked_list_last(node, loc_prev);
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109 }
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110
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111 void *cx_linked_list_last(
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112 void const *node,
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113 ptrdiff_t loc_next
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114 ) {
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115 assert(node != NULL);
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116 assert(loc_next >= 0);
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117
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118 void const *cur = node;
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119 void const *last;
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120 do {
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121 last = cur;
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122 } while ((cur = ll_next(cur)) != NULL);
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123
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124 return (void *) last;
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125 }
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126
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127 void *cx_linked_list_prev(
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128 void const *begin,
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129 ptrdiff_t loc_next,
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130 void const *node
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131 ) {
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132 assert(begin != NULL);
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133 assert(node != NULL);
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134 assert(loc_next >= 0);
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135 if (begin == node) return NULL;
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136 void const *cur = begin;
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137 void const *next;
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138 while (1) {
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139 next = ll_next(cur);
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140 if (next == node) return (void *) cur;
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141 cur = next;
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142 }
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143 }
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144
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145 void cx_linked_list_link(
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146 void *left,
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147 void *right,
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148 ptrdiff_t loc_prev,
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149 ptrdiff_t loc_next
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150 ) {
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151 assert(loc_next >= 0);
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152 ll_next(left) = right;
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153 if (loc_prev >= 0) {
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154 ll_prev(right) = left;
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155 }
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156 }
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157
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158 void cx_linked_list_unlink(
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159 void *left,
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160 void *right,
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161 ptrdiff_t loc_prev,
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162 ptrdiff_t loc_next
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163 ) {
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164 assert (loc_next >= 0);
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165 assert(ll_next(left) == right);
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166 ll_next(left) = NULL;
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167 if (loc_prev >= 0) {
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168 assert(ll_prev(right) == left);
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169 ll_prev(right) = NULL;
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170 }
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171 }
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172
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173 void cx_linked_list_add(
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174 void **begin,
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175 void **end,
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176 ptrdiff_t loc_prev,
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177 ptrdiff_t loc_next,
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178 void *new_node
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179 ) {
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180 void *last;
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181 if (end == NULL) {
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182 assert(begin != NULL);
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183 last = *begin == NULL ? NULL : cx_linked_list_last(*begin, loc_next);
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184 } else {
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185 last = *end;
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186 }
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187 cx_linked_list_insert_chain(begin, end, loc_prev, loc_next, last, new_node, new_node);
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188 }
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189
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190 void cx_linked_list_prepend(
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191 void **begin,
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192 void **end,
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193 ptrdiff_t loc_prev,
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194 ptrdiff_t loc_next,
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195 void *new_node
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196 ) {
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197 cx_linked_list_insert_chain(begin, end, loc_prev, loc_next, NULL, new_node, new_node);
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198 }
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199
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200 void cx_linked_list_insert(
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201 void **begin,
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202 void **end,
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203 ptrdiff_t loc_prev,
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204 ptrdiff_t loc_next,
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205 void *node,
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206 void *new_node
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207 ) {
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208 cx_linked_list_insert_chain(begin, end, loc_prev, loc_next, node, new_node, new_node);
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209 }
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210
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211 void cx_linked_list_insert_chain(
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212 void **begin,
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213 void **end,
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214 ptrdiff_t loc_prev,
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215 ptrdiff_t loc_next,
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216 void *node,
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217 void *insert_begin,
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218 void *insert_end
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219 ) {
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220 // find the end of the chain, if not specified
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221 if (insert_end == NULL) {
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222 insert_end = cx_linked_list_last(insert_begin, loc_next);
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223 }
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224
481
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225 // determine the successor
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226 void *successor;
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227 if (node == NULL) {
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228 assert(begin != NULL || (end != NULL && loc_prev >= 0));
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229 if (begin != NULL) {
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230 successor = *begin;
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231 *begin = insert_begin;
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232 } else {
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233 successor = *end == NULL ? NULL : cx_linked_list_first(*end, loc_prev);
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234 }
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235 } else {
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236 successor = ll_next(node);
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237 cx_linked_list_link(node, insert_begin, loc_prev, loc_next);
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238 }
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239
481
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240 if (successor == NULL) {
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241 // the list ends with the new chain
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242 if (end != NULL) {
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243 *end = insert_end;
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244 }
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245 } else {
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246 cx_linked_list_link(insert_end, successor, loc_prev, loc_next);
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247 }
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248 }
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249
481
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250 void cx_linked_list_remove(
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251 void **begin,
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252 void **end,
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253 ptrdiff_t loc_prev,
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254 ptrdiff_t loc_next,
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255 void *node
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256 ) {
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257 assert(node != NULL);
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258 assert(loc_next >= 0);
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259 assert(loc_prev >= 0 || begin != NULL);
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260
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261 // find adjacent nodes
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262 void *next = ll_next(node);
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263 void *prev;
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264 if (loc_prev >= 0) {
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265 prev = ll_prev(node);
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266 } else {
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267 prev = cx_linked_list_prev(*begin, loc_next, node);
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268 }
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269
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270 // update next pointer of prev node, or set begin
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271 if (prev == NULL) {
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272 if (begin != NULL) {
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273 *begin = next;
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274 }
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275 } else {
480
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276 ll_next(prev) = next;
473
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277 }
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278
476
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279 // update prev pointer of next node, or set end
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280 if (next == NULL) {
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281 if (end != NULL) {
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282 *end = prev;
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283 }
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284 } else if (loc_prev >= 0) {
480
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285 ll_prev(next) = prev;
473
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286 }
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287 }
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288
481
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289 size_t cx_linked_list_size(
489
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290 void const *node,
481
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291 ptrdiff_t loc_next
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292 ) {
473
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293 assert(loc_next >= 0);
468
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294 size_t size = 0;
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295 while (node != NULL) {
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296 node = ll_next(node);
468
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297 size++;
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298 }
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299 return size;
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300 }
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301
661
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302 #ifndef CX_LINKED_LIST_SORT_SBO_SIZE
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303 #define CX_LINKED_LIST_SORT_SBO_SIZE 1024
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304 #endif
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305
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306 static void cx_linked_list_sort_merge(
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307 ptrdiff_t loc_prev,
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308 ptrdiff_t loc_next,
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309 ptrdiff_t loc_data,
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310 size_t length,
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311 void *ls,
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312 void *le,
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313 void *re,
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314 cx_compare_func cmp_func,
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315 void **begin,
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316 void **end
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317 ) {
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318 void *sbo[CX_LINKED_LIST_SORT_SBO_SIZE];
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319 void **sorted = length >= CX_LINKED_LIST_SORT_SBO_SIZE ?
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320 malloc(sizeof(void *) * length) : sbo;
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321 if (sorted == NULL) abort();
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322 void *rc, *lc;
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323
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324 lc = ls;
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325 rc = le;
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326 size_t n = 0;
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327 while (lc && lc != le && rc != re) {
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328 if (cmp_func(ll_data(lc), ll_data(rc)) <= 0) {
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329 sorted[n] = lc;
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330 lc = ll_next(lc);
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331 } else {
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332 sorted[n] = rc;
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333 rc = ll_next(rc);
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334 }
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335 n++;
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336 }
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337 while (lc && lc != le) {
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338 sorted[n] = lc;
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339 lc = ll_next(lc);
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340 n++;
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341 }
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342 while (rc && rc != re) {
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343 sorted[n] = rc;
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344 rc = ll_next(rc);
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345 n++;
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346 }
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347
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348 // Update pointer
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349 if (loc_prev >= 0) ll_prev(sorted[0]) = NULL;
509
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350 cx_for_n (i, length - 1) {
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351 cx_linked_list_link(sorted[i], sorted[i + 1], loc_prev, loc_next);
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352 }
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353 ll_next(sorted[length - 1]) = NULL;
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354
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355 *begin = sorted[0];
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356 *end = sorted[length-1];
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357 if (sorted != sbo) {
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358 free(sorted);
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359 }
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360 }
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361
628
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362 void cx_linked_list_sort( // NOLINT(misc-no-recursion) - purposely recursive function
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363 void **begin,
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364 void **end,
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365 ptrdiff_t loc_prev,
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366 ptrdiff_t loc_next,
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367 ptrdiff_t loc_data,
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368 cx_compare_func cmp_func
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369 ) {
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370 assert(begin != NULL);
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371 assert(loc_next >= 0);
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372 assert(loc_data >= 0);
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373 assert(cmp_func);
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374
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375 void *lc, *ls, *le, *re;
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376
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377 // set start node
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378 ls = *begin;
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379
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380 // early exit when this list is empty
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381 if (ls == NULL) return;
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382
468
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383 // check how many elements are already sorted
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384 lc = ls;
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385 size_t ln = 1;
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386 while (ll_next(lc) != NULL && cmp_func(ll_data(ll_next(lc)), ll_data(lc)) > 0) {
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387 lc = ll_next(lc);
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388 ln++;
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389 }
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390 le = ll_next(lc);
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391
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392 // if first unsorted node is NULL, the list is already completely sorted
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393 if (le != NULL) {
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394 void *rc;
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395 size_t rn = 1;
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396 rc = le;
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397 // skip already sorted elements
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398 while (ll_next(rc) != NULL && cmp_func(ll_data(ll_next(rc)), ll_data(rc)) > 0) {
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399 rc = ll_next(rc);
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400 rn++;
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401 }
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402 re = ll_next(rc);
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403
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404 // {ls,...,le->prev} and {rs,...,re->prev} are sorted - merge them
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405 void *sorted_begin, *sorted_end;
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406 cx_linked_list_sort_merge(loc_prev, loc_next, loc_data,
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407 ln + rn, ls, le, re, cmp_func,
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408 &sorted_begin, &sorted_end);
468
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409
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410 // Something left? Sort it!
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411 size_t remainder_length = cx_linked_list_size(re, loc_next);
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412 if (remainder_length > 0) {
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413 void *remainder = re;
639
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414 cx_linked_list_sort(&remainder, NULL, loc_prev, loc_next, loc_data, cmp_func);
468
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415
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416 // merge sorted list with (also sorted) remainder
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417 cx_linked_list_sort_merge(loc_prev, loc_next, loc_data,
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418 ln + rn + remainder_length,
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419 sorted_begin, remainder, NULL, cmp_func,
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420 &sorted_begin, &sorted_end);
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421 }
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422 *begin = sorted_begin;
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423 if (end) *end = sorted_end;
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424 }
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425 }
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426
486
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427 int cx_linked_list_compare(
489
af6be1e123aa add some const qualifiers
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428 void const *begin_left,
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429 void const *begin_right,
486
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430 ptrdiff_t loc_advance,
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431 ptrdiff_t loc_data,
677
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432 cx_compare_func cmp_func
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433 ) {
489
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434 void const *left = begin_left, *right = begin_right;
486
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435
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436 while (left != NULL && right != NULL) {
639
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437 void const *left_data = ll_data(left);
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438 void const *right_data = ll_data(right);
552
4373c2a90066 #178 fix that lists of different kind cannot be compared
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439 int result = cmp_func(left_data, right_data);
486
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440 if (result != 0) return result;
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441 left = ll_advance(left);
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442 right = ll_advance(right);
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443 }
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444
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445 if (left != NULL) { return 1; }
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446 else if (right != NULL) { return -1; }
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447 else { return 0; }
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diff changeset
448 }
d7ca126eab7f add cx_linked_list_compare() and simplifies some tests
Mike Becker <universe@uap-core.de>
parents: 481
diff changeset
449
481
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
450 void cx_linked_list_reverse(
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
451 void **begin,
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
452 void **end,
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
453 ptrdiff_t loc_prev,
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
454 ptrdiff_t loc_next
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
455 ) {
473
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
456 assert(begin != NULL);
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
457 assert(loc_next >= 0);
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
458
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
459 // swap all links
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
460 void *prev = NULL;
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
461 void *cur = *begin;
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
462 while (cur != NULL) {
480
e3be53a3354f add cx_linked_list_find()
Mike Becker <universe@uap-core.de>
parents: 478
diff changeset
463 void *next = ll_next(cur);
473
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
464
480
e3be53a3354f add cx_linked_list_find()
Mike Becker <universe@uap-core.de>
parents: 478
diff changeset
465 ll_next(cur) = prev;
473
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
466 if (loc_prev >= 0) {
480
e3be53a3354f add cx_linked_list_find()
Mike Becker <universe@uap-core.de>
parents: 478
diff changeset
467 ll_prev(cur) = next;
473
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
468 }
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
469
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
470 prev = cur;
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
471 cur = next;
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
472 }
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
473
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
474 // update begin and end
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
475 if (end != NULL) {
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
476 *end = *begin;
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
477 }
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
478 *begin = prev;
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
479 }
1bd4b8c28722 add cx_linked_list_{prev, remove, reverse}
Mike Becker <universe@uap-core.de>
parents: 469
diff changeset
480
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 592
diff changeset
481 // HIGH LEVEL LINKED LIST IMPLEMENTATION
398
8d506ed6c1c0 adds first draft for linked list implementation
Mike Becker <universe@uap-core.de>
parents:
diff changeset
482
447
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
483 typedef struct cx_linked_list_node cx_linked_list_node;
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
484 struct cx_linked_list_node {
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
485 cx_linked_list_node *prev;
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
486 cx_linked_list_node *next;
403
8fa43b732980 use C99 flexible array to mark the node's payload
Mike Becker <universe@uap-core.de>
parents: 402
diff changeset
487 char payload[];
447
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
488 };
402
a34b93911956 use named fields to access node memory
Mike Becker <universe@uap-core.de>
parents: 401
diff changeset
489
446
668757098b73 remove unnecessary fields from linked list node and simplifies cx_ll_add()
Mike Becker <universe@uap-core.de>
parents: 441
diff changeset
490 #define CX_LL_LOC_PREV offsetof(cx_linked_list_node, prev)
668757098b73 remove unnecessary fields from linked list node and simplifies cx_ll_add()
Mike Becker <universe@uap-core.de>
parents: 441
diff changeset
491 #define CX_LL_LOC_NEXT offsetof(cx_linked_list_node, next)
469
0458bff0b1cd add high level list sort and inlines method invocation functions
Mike Becker <universe@uap-core.de>
parents: 468
diff changeset
492 #define CX_LL_LOC_DATA offsetof(cx_linked_list_node, payload)
439
9a5adedd6de6 add high-level function cxListAt()
Mike Becker <universe@uap-core.de>
parents: 438
diff changeset
493
398
8d506ed6c1c0 adds first draft for linked list implementation
Mike Becker <universe@uap-core.de>
parents:
diff changeset
494 typedef struct {
500
eb9e7bd40a8e do not hide pointers behind typedefs
Mike Becker <universe@uap-core.de>
parents: 499
diff changeset
495 struct cx_list_s base;
446
668757098b73 remove unnecessary fields from linked list node and simplifies cx_ll_add()
Mike Becker <universe@uap-core.de>
parents: 441
diff changeset
496 cx_linked_list_node *begin;
668757098b73 remove unnecessary fields from linked list node and simplifies cx_ll_add()
Mike Becker <universe@uap-core.de>
parents: 441
diff changeset
497 cx_linked_list_node *end;
398
8d506ed6c1c0 adds first draft for linked list implementation
Mike Becker <universe@uap-core.de>
parents:
diff changeset
498 } cx_linked_list;
8d506ed6c1c0 adds first draft for linked list implementation
Mike Becker <universe@uap-core.de>
parents:
diff changeset
499
481
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
500 static cx_linked_list_node *cx_ll_node_at(
489
af6be1e123aa add some const qualifiers
Mike Becker <universe@uap-core.de>
parents: 488
diff changeset
501 cx_linked_list const *list,
481
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
502 size_t index
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
503 ) {
447
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
504 if (index >= list->base.size) {
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
505 return NULL;
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
506 } else if (index > list->base.size / 2) {
468
75ae1dccd101 add cx_linked_list_sort()
Mike Becker <universe@uap-core.de>
parents: 467
diff changeset
507 return cx_linked_list_at(list->end, list->base.size - 1, CX_LL_LOC_PREV, index);
447
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
508 } else {
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
509 return cx_linked_list_at(list->begin, 0, CX_LL_LOC_NEXT, index);
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
510 }
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
511 }
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
512
499
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
513 static int cx_ll_insert_at(
500
eb9e7bd40a8e do not hide pointers behind typedefs
Mike Becker <universe@uap-core.de>
parents: 499
diff changeset
514 struct cx_list_s *list,
499
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
515 cx_linked_list_node *node,
489
af6be1e123aa add some const qualifiers
Mike Becker <universe@uap-core.de>
parents: 488
diff changeset
516 void const *elem
481
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
517 ) {
448
37c5d2fdb36b implement cx_ll_insert()
Mike Becker <universe@uap-core.de>
parents: 447
diff changeset
518
481
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
519 // create the new new_node
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
520 cx_linked_list_node *new_node = cxMalloc(list->allocator,
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
521 sizeof(cx_linked_list_node) + list->item_size);
448
37c5d2fdb36b implement cx_ll_insert()
Mike Becker <universe@uap-core.de>
parents: 447
diff changeset
522
37c5d2fdb36b implement cx_ll_insert()
Mike Becker <universe@uap-core.de>
parents: 447
diff changeset
523 // sortir if failed
481
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
524 if (new_node == NULL) return 1;
448
37c5d2fdb36b implement cx_ll_insert()
Mike Becker <universe@uap-core.de>
parents: 447
diff changeset
525
481
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
526 // initialize new new_node
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
527 new_node->prev = new_node->next = NULL;
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
528 memcpy(new_node->payload, elem, list->item_size);
448
37c5d2fdb36b implement cx_ll_insert()
Mike Becker <universe@uap-core.de>
parents: 447
diff changeset
529
481
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
530 // insert
499
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
531 cx_linked_list *ll = (cx_linked_list *) list;
481
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
532 cx_linked_list_insert_chain(
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
533 (void **) &ll->begin, (void **) &ll->end,
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
534 CX_LL_LOC_PREV, CX_LL_LOC_NEXT,
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
535 node, new_node, new_node
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
536 );
448
37c5d2fdb36b implement cx_ll_insert()
Mike Becker <universe@uap-core.de>
parents: 447
diff changeset
537
37c5d2fdb36b implement cx_ll_insert()
Mike Becker <universe@uap-core.de>
parents: 447
diff changeset
538 // increase the size and return
37c5d2fdb36b implement cx_ll_insert()
Mike Becker <universe@uap-core.de>
parents: 447
diff changeset
539 list->size++;
37c5d2fdb36b implement cx_ll_insert()
Mike Becker <universe@uap-core.de>
parents: 447
diff changeset
540 return 0;
37c5d2fdb36b implement cx_ll_insert()
Mike Becker <universe@uap-core.de>
parents: 447
diff changeset
541 }
37c5d2fdb36b implement cx_ll_insert()
Mike Becker <universe@uap-core.de>
parents: 447
diff changeset
542
638
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
543 static size_t cx_ll_insert_array(
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
544 struct cx_list_s *list,
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
545 size_t index,
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
546 void const *array,
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
547 size_t n
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
548 ) {
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
549 // out-of bounds and corner case check
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
550 if (index > list->size || n == 0) return 0;
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
551
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
552 // find position efficiently
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
553 cx_linked_list_node *node = index == 0 ? NULL : cx_ll_node_at((cx_linked_list *) list, index - 1);
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
554
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
555 // perform first insert
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
556 if (0 != cx_ll_insert_at(list, node, array)) {
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
557 return 1;
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
558 }
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
559
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
560 // is there more?
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
561 if (n == 1) return 1;
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
562
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
563 // we now know exactly where we are
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
564 node = node == NULL ? ((cx_linked_list *) list)->begin : node->next;
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
565
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
566 // we can add the remaining nodes and immedately advance to the inserted node
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
567 char const *source = array;
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
568 for (size_t i = 1; i < n; i++) {
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
569 source += list->item_size;
638
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
570 if (0 != cx_ll_insert_at(list, node, source)) {
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
571 return i;
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
572 }
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
573 node = node->next;
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
574 }
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
575 return n;
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
576 }
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
577
641
d402fead3386 add new pointer list wrapper - resolves #234
Mike Becker <universe@uap-core.de>
parents: 640
diff changeset
578 static int cx_ll_insert_element(
d402fead3386 add new pointer list wrapper - resolves #234
Mike Becker <universe@uap-core.de>
parents: 640
diff changeset
579 struct cx_list_s *list,
d402fead3386 add new pointer list wrapper - resolves #234
Mike Becker <universe@uap-core.de>
parents: 640
diff changeset
580 size_t index,
d402fead3386 add new pointer list wrapper - resolves #234
Mike Becker <universe@uap-core.de>
parents: 640
diff changeset
581 void const *element
d402fead3386 add new pointer list wrapper - resolves #234
Mike Becker <universe@uap-core.de>
parents: 640
diff changeset
582 ) {
d402fead3386 add new pointer list wrapper - resolves #234
Mike Becker <universe@uap-core.de>
parents: 640
diff changeset
583 return 1 != cx_ll_insert_array(list, index, element, 1);
d402fead3386 add new pointer list wrapper - resolves #234
Mike Becker <universe@uap-core.de>
parents: 640
diff changeset
584 }
d402fead3386 add new pointer list wrapper - resolves #234
Mike Becker <universe@uap-core.de>
parents: 640
diff changeset
585
481
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
586 static int cx_ll_remove(
500
eb9e7bd40a8e do not hide pointers behind typedefs
Mike Becker <universe@uap-core.de>
parents: 499
diff changeset
587 struct cx_list_s *list,
481
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
588 size_t index
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
589 ) {
447
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
590 cx_linked_list *ll = (cx_linked_list *) list;
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
591 cx_linked_list_node *node = cx_ll_node_at(ll, index);
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
592
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
593 // out-of-bounds check
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
594 if (node == NULL) return 1;
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
595
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
596 // element destruction
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
597 cx_invoke_destructor(list, node->payload);
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
598
476
60ff4561dc04 change contract of cx_linked_list_remove()
Mike Becker <universe@uap-core.de>
parents: 475
diff changeset
599 // remove
60ff4561dc04 change contract of cx_linked_list_remove()
Mike Becker <universe@uap-core.de>
parents: 475
diff changeset
600 cx_linked_list_remove((void **) &ll->begin, (void **) &ll->end,
60ff4561dc04 change contract of cx_linked_list_remove()
Mike Becker <universe@uap-core.de>
parents: 475
diff changeset
601 CX_LL_LOC_PREV, CX_LL_LOC_NEXT, node);
447
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
602
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
603 // adjust size
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
604 list->size--;
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
605
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
606 // free and return
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
607 cxFree(list->allocator, node);
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
608
438
cd3069757010 add function cx_linked_list_at()
Mike Becker <universe@uap-core.de>
parents: 437
diff changeset
609 return 0;
398
8d506ed6c1c0 adds first draft for linked list implementation
Mike Becker <universe@uap-core.de>
parents:
diff changeset
610 }
8d506ed6c1c0 adds first draft for linked list implementation
Mike Becker <universe@uap-core.de>
parents:
diff changeset
611
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
612 static void cx_ll_clear(struct cx_list_s *list) {
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
613 if (list->size == 0) return;
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
614
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
615 cx_linked_list *ll = (cx_linked_list *) list;
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
616 cx_linked_list_node *node = ll->begin;
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
617 while (node != NULL) {
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
618 cx_invoke_destructor(list, node->payload);
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
619 cx_linked_list_node *next = node->next;
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
620 cxFree(list->allocator, node);
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
621 node = next;
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
622 }
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
623 ll->begin = ll->end = NULL;
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
624 list->size = 0;
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
625 }
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
626
647
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
627 #ifndef CX_LINKED_LIST_SWAP_SBO_SIZE
735
b686d0c98c62 unify the list swap SBO sizes
Mike Becker <universe@uap-core.de>
parents: 708
diff changeset
628 #define CX_LINKED_LIST_SWAP_SBO_SIZE 128
647
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
629 #endif
807
c8d692131b1e remove flags to disable SBO in tests - fix #343 fix #358
Mike Becker <universe@uap-core.de>
parents: 764
diff changeset
630 unsigned cx_linked_list_swap_sbo_size = CX_LINKED_LIST_SWAP_SBO_SIZE;
647
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
631
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
632 static int cx_ll_swap(
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
633 struct cx_list_s *list,
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
634 size_t i,
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
635 size_t j
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
636 ) {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
637 if (i >= list->size || j >= list->size) return 1;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
638 if (i == j) return 0;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
639
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
640 // perform an optimized search that finds both elements in one run
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
641 cx_linked_list *ll = (cx_linked_list *) list;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
642 size_t mid = list->size / 2;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
643 size_t left, right;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
644 if (i < j) {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
645 left = i;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
646 right = j;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
647 } else {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
648 left = j;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
649 right = i;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
650 }
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
651 cx_linked_list_node *nleft, *nright;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
652 if (left < mid && right < mid) {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
653 // case 1: both items left from mid
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
654 nleft = cx_ll_node_at(ll, left);
807
c8d692131b1e remove flags to disable SBO in tests - fix #343 fix #358
Mike Becker <universe@uap-core.de>
parents: 764
diff changeset
655 assert(nleft != NULL);
647
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
656 nright = nleft;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
657 for (size_t c = left; c < right; c++) {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
658 nright = nright->next;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
659 }
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
660 } else if (left >= mid && right >= mid) {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
661 // case 2: both items right from mid
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
662 nright = cx_ll_node_at(ll, right);
807
c8d692131b1e remove flags to disable SBO in tests - fix #343 fix #358
Mike Becker <universe@uap-core.de>
parents: 764
diff changeset
663 assert(nright != NULL);
647
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
664 nleft = nright;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
665 for (size_t c = right; c > left; c--) {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
666 nleft = nleft->prev;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
667 }
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
668 } else {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
669 // case 3: one item left, one item right
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
670
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
671 // chose the closest to begin / end
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
672 size_t closest;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
673 size_t other;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
674 size_t diff2boundary = list->size - right - 1;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
675 if (left <= diff2boundary) {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
676 closest = left;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
677 other = right;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
678 nleft = cx_ll_node_at(ll, left);
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
679 } else {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
680 closest = right;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
681 other = left;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
682 diff2boundary = left;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
683 nright = cx_ll_node_at(ll, right);
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
684 }
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
685
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
686 // is other element closer to us or closer to boundary?
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
687 if (right - left <= diff2boundary) {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
688 // search other element starting from already found element
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
689 if (closest == left) {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
690 nright = nleft;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
691 for (size_t c = left; c < right; c++) {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
692 nright = nright->next;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
693 }
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
694 } else {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
695 nleft = nright;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
696 for (size_t c = right; c > left; c--) {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
697 nleft = nleft->prev;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
698 }
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
699 }
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
700 } else {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
701 // search other element starting at the boundary
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
702 if (closest == left) {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
703 nright = cx_ll_node_at(ll, other);
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
704 } else {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
705 nleft = cx_ll_node_at(ll, other);
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
706 }
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
707 }
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
708 }
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
709
807
c8d692131b1e remove flags to disable SBO in tests - fix #343 fix #358
Mike Becker <universe@uap-core.de>
parents: 764
diff changeset
710 if (list->item_size > CX_LINKED_LIST_SWAP_SBO_SIZE) {
647
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
711 cx_linked_list_node *prev = nleft->prev;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
712 cx_linked_list_node *next = nright->next;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
713 cx_linked_list_node *midstart = nleft->next;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
714 cx_linked_list_node *midend = nright->prev;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
715
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
716 if (prev == NULL) {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
717 ll->begin = nright;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
718 } else {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
719 prev->next = nright;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
720 }
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
721 nright->prev = prev;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
722 if (midstart == nright) {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
723 // special case: both nodes are adjacent
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
724 nright->next = nleft;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
725 nleft->prev = nright;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
726 } else {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
727 // likely case: a chain is between the two nodes
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
728 nright->next = midstart;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
729 midstart->prev = nright;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
730 midend->next = nleft;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
731 nleft->prev = midend;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
732 }
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
733 nleft->next = next;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
734 if (next == NULL) {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
735 ll->end = nleft;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
736 } else {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
737 next->prev = nleft;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
738 }
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
739 } else {
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
740 // swap payloads to avoid relinking
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
741 char buf[CX_LINKED_LIST_SWAP_SBO_SIZE];
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
742 memcpy(buf, nleft->payload, list->item_size);
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
743 memcpy(nleft->payload, nright->payload, list->item_size);
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
744 memcpy(nright->payload, buf, list->item_size);
647
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
745 }
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
746
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
747 return 0;
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
748 }
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
749
481
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
750 static void *cx_ll_at(
500
eb9e7bd40a8e do not hide pointers behind typedefs
Mike Becker <universe@uap-core.de>
parents: 499
diff changeset
751 struct cx_list_s const *list,
481
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
752 size_t index
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
753 ) {
439
9a5adedd6de6 add high-level function cxListAt()
Mike Becker <universe@uap-core.de>
parents: 438
diff changeset
754 cx_linked_list *ll = (cx_linked_list *) list;
447
87b2cdd668ed implement cx_ll_remove()
Mike Becker <universe@uap-core.de>
parents: 446
diff changeset
755 cx_linked_list_node *node = cx_ll_node_at(ll, index);
466
28bc3e10ac28 add special linked list implementation for storing pointers
Mike Becker <universe@uap-core.de>
parents: 457
diff changeset
756 return node == NULL ? NULL : node->payload;
28bc3e10ac28 add special linked list implementation for storing pointers
Mike Becker <universe@uap-core.de>
parents: 457
diff changeset
757 }
28bc3e10ac28 add special linked list implementation for storing pointers
Mike Becker <universe@uap-core.de>
parents: 457
diff changeset
758
764
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
759 static ssize_t cx_ll_find_remove(
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
760 struct cx_list_s *list,
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
761 void const *elem,
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
762 bool remove
481
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
763 ) {
764
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
764 if (remove) {
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
765 cx_linked_list *ll = ((cx_linked_list *) list);
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
766 cx_linked_list_node *node;
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
767 ssize_t index = cx_linked_list_find_node(
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
768 (void **) &node,
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
769 ll->begin,
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
770 CX_LL_LOC_NEXT, CX_LL_LOC_DATA,
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
771 list->cmpfunc, elem
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
772 );
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
773 if (node != NULL) {
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
774 cx_invoke_destructor(list, node->payload);
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
775 cx_linked_list_remove((void **) &ll->begin, (void **) &ll->end,
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
776 CX_LL_LOC_PREV, CX_LL_LOC_NEXT, node);
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
777 list->size--;
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
778 cxFree(list->allocator, node);
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
779 }
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
780 return index;
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
781 } else {
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
782 return cx_linked_list_find(
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
783 ((cx_linked_list *) list)->begin,
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
784 CX_LL_LOC_NEXT, CX_LL_LOC_DATA,
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
785 list->cmpfunc, elem
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
786 );
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
787 }
466
28bc3e10ac28 add special linked list implementation for storing pointers
Mike Becker <universe@uap-core.de>
parents: 457
diff changeset
788 }
28bc3e10ac28 add special linked list implementation for storing pointers
Mike Becker <universe@uap-core.de>
parents: 457
diff changeset
789
500
eb9e7bd40a8e do not hide pointers behind typedefs
Mike Becker <universe@uap-core.de>
parents: 499
diff changeset
790 static void cx_ll_sort(struct cx_list_s *list) {
469
0458bff0b1cd add high level list sort and inlines method invocation functions
Mike Becker <universe@uap-core.de>
parents: 468
diff changeset
791 cx_linked_list *ll = (cx_linked_list *) list;
0458bff0b1cd add high level list sort and inlines method invocation functions
Mike Becker <universe@uap-core.de>
parents: 468
diff changeset
792 cx_linked_list_sort((void **) &ll->begin, (void **) &ll->end,
0458bff0b1cd add high level list sort and inlines method invocation functions
Mike Becker <universe@uap-core.de>
parents: 468
diff changeset
793 CX_LL_LOC_PREV, CX_LL_LOC_NEXT, CX_LL_LOC_DATA,
639
309e8b08c60e temporarily remove pointer lists - see #234
Mike Becker <universe@uap-core.de>
parents: 638
diff changeset
794 list->cmpfunc);
469
0458bff0b1cd add high level list sort and inlines method invocation functions
Mike Becker <universe@uap-core.de>
parents: 468
diff changeset
795 }
0458bff0b1cd add high level list sort and inlines method invocation functions
Mike Becker <universe@uap-core.de>
parents: 468
diff changeset
796
500
eb9e7bd40a8e do not hide pointers behind typedefs
Mike Becker <universe@uap-core.de>
parents: 499
diff changeset
797 static void cx_ll_reverse(struct cx_list_s *list) {
490
e66551b47466 add cxListReverse()
Mike Becker <universe@uap-core.de>
parents: 489
diff changeset
798 cx_linked_list *ll = (cx_linked_list *) list;
521
e5dc54131d55 add test for cxListCompare
Mike Becker <universe@uap-core.de>
parents: 509
diff changeset
799 cx_linked_list_reverse((void **) &ll->begin, (void **) &ll->end, CX_LL_LOC_PREV, CX_LL_LOC_NEXT);
490
e66551b47466 add cxListReverse()
Mike Becker <universe@uap-core.de>
parents: 489
diff changeset
800 }
e66551b47466 add cxListReverse()
Mike Becker <universe@uap-core.de>
parents: 489
diff changeset
801
488
9138acaa494b add cxLinkedListFromArray() and cxListCompare()
Mike Becker <universe@uap-core.de>
parents: 487
diff changeset
802 static int cx_ll_compare(
500
eb9e7bd40a8e do not hide pointers behind typedefs
Mike Becker <universe@uap-core.de>
parents: 499
diff changeset
803 struct cx_list_s const *list,
eb9e7bd40a8e do not hide pointers behind typedefs
Mike Becker <universe@uap-core.de>
parents: 499
diff changeset
804 struct cx_list_s const *other
488
9138acaa494b add cxLinkedListFromArray() and cxListCompare()
Mike Becker <universe@uap-core.de>
parents: 487
diff changeset
805 ) {
9138acaa494b add cxLinkedListFromArray() and cxListCompare()
Mike Becker <universe@uap-core.de>
parents: 487
diff changeset
806 cx_linked_list *left = (cx_linked_list *) list;
9138acaa494b add cxLinkedListFromArray() and cxListCompare()
Mike Becker <universe@uap-core.de>
parents: 487
diff changeset
807 cx_linked_list *right = (cx_linked_list *) other;
9138acaa494b add cxLinkedListFromArray() and cxListCompare()
Mike Becker <universe@uap-core.de>
parents: 487
diff changeset
808 return cx_linked_list_compare(left->begin, right->begin,
9138acaa494b add cxLinkedListFromArray() and cxListCompare()
Mike Becker <universe@uap-core.de>
parents: 487
diff changeset
809 CX_LL_LOC_NEXT, CX_LL_LOC_DATA,
639
309e8b08c60e temporarily remove pointer lists - see #234
Mike Becker <universe@uap-core.de>
parents: 638
diff changeset
810 list->cmpfunc);
488
9138acaa494b add cxLinkedListFromArray() and cxListCompare()
Mike Becker <universe@uap-core.de>
parents: 487
diff changeset
811 }
9138acaa494b add cxLinkedListFromArray() and cxListCompare()
Mike Becker <universe@uap-core.de>
parents: 487
diff changeset
812
630
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
813 static bool cx_ll_iter_valid(void const *it) {
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
814 struct cx_iterator_s const *iter = it;
495
2856c74e18ba add the feature to remove items during iteration
Mike Becker <universe@uap-core.de>
parents: 494
diff changeset
815 return iter->elem_handle != NULL;
494
6ce8cfa10a96 add iterator interface + linked list iterator
Mike Becker <universe@uap-core.de>
parents: 490
diff changeset
816 }
6ce8cfa10a96 add iterator interface + linked list iterator
Mike Becker <universe@uap-core.de>
parents: 490
diff changeset
817
630
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
818 static void cx_ll_iter_next(void *it) {
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
819 struct cx_iterator_base_s *itbase = it;
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
820 if (itbase->remove) {
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
821 itbase->remove = false;
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
822 struct cx_mut_iterator_s *iter = it;
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
823 struct cx_list_s *list = iter->src_handle;
495
2856c74e18ba add the feature to remove items during iteration
Mike Becker <universe@uap-core.de>
parents: 494
diff changeset
824 cx_linked_list *ll = iter->src_handle;
2856c74e18ba add the feature to remove items during iteration
Mike Becker <universe@uap-core.de>
parents: 494
diff changeset
825 cx_linked_list_node *node = iter->elem_handle;
2856c74e18ba add the feature to remove items during iteration
Mike Becker <universe@uap-core.de>
parents: 494
diff changeset
826 iter->elem_handle = node->next;
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
827 cx_invoke_destructor(list, node->payload);
495
2856c74e18ba add the feature to remove items during iteration
Mike Becker <universe@uap-core.de>
parents: 494
diff changeset
828 cx_linked_list_remove((void **) &ll->begin, (void **) &ll->end,
2856c74e18ba add the feature to remove items during iteration
Mike Becker <universe@uap-core.de>
parents: 494
diff changeset
829 CX_LL_LOC_PREV, CX_LL_LOC_NEXT, node);
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
830 list->size--;
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
831 cxFree(list->allocator, node);
495
2856c74e18ba add the feature to remove items during iteration
Mike Becker <universe@uap-core.de>
parents: 494
diff changeset
832 } else {
630
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
833 struct cx_iterator_s *iter = it;
495
2856c74e18ba add the feature to remove items during iteration
Mike Becker <universe@uap-core.de>
parents: 494
diff changeset
834 iter->index++;
2856c74e18ba add the feature to remove items during iteration
Mike Becker <universe@uap-core.de>
parents: 494
diff changeset
835 cx_linked_list_node *node = iter->elem_handle;
2856c74e18ba add the feature to remove items during iteration
Mike Becker <universe@uap-core.de>
parents: 494
diff changeset
836 iter->elem_handle = node->next;
2856c74e18ba add the feature to remove items during iteration
Mike Becker <universe@uap-core.de>
parents: 494
diff changeset
837 }
494
6ce8cfa10a96 add iterator interface + linked list iterator
Mike Becker <universe@uap-core.de>
parents: 490
diff changeset
838 }
6ce8cfa10a96 add iterator interface + linked list iterator
Mike Becker <universe@uap-core.de>
parents: 490
diff changeset
839
655
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
840 static void cx_ll_iter_prev(void *it) {
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
841 struct cx_iterator_base_s *itbase = it;
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
842 if (itbase->remove) {
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
843 itbase->remove = false;
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
844 struct cx_mut_iterator_s *iter = it;
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
845 struct cx_list_s *list = iter->src_handle;
655
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
846 cx_linked_list *ll = iter->src_handle;
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
847 cx_linked_list_node *node = iter->elem_handle;
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
848 iter->elem_handle = node->prev;
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
849 iter->index--;
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
850 cx_invoke_destructor(list, node->payload);
655
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
851 cx_linked_list_remove((void **) &ll->begin, (void **) &ll->end,
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
852 CX_LL_LOC_PREV, CX_LL_LOC_NEXT, node);
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
853 list->size--;
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
854 cxFree(list->allocator, node);
655
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
855 } else {
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
856 struct cx_iterator_s *iter = it;
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
857 iter->index--;
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
858 cx_linked_list_node *node = iter->elem_handle;
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
859 iter->elem_handle = node->prev;
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
860 }
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
861 }
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
862
630
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
863 static void *cx_ll_iter_current(void const *it) {
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
864 struct cx_iterator_s const *iter = it;
495
2856c74e18ba add the feature to remove items during iteration
Mike Becker <universe@uap-core.de>
parents: 494
diff changeset
865 cx_linked_list_node *node = iter->elem_handle;
494
6ce8cfa10a96 add iterator interface + linked list iterator
Mike Becker <universe@uap-core.de>
parents: 490
diff changeset
866 return node->payload;
6ce8cfa10a96 add iterator interface + linked list iterator
Mike Becker <universe@uap-core.de>
parents: 490
diff changeset
867 }
6ce8cfa10a96 add iterator interface + linked list iterator
Mike Becker <universe@uap-core.de>
parents: 490
diff changeset
868
630
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
869 static bool cx_ll_iter_flag_rm(void *it) {
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
870 struct cx_iterator_base_s *iter = it;
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
871 if (iter->mutating) {
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
872 iter->remove = true;
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
873 return true;
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
874 } else {
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
875 return false;
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
876 }
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
877 }
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
878
494
6ce8cfa10a96 add iterator interface + linked list iterator
Mike Becker <universe@uap-core.de>
parents: 490
diff changeset
879 static CxIterator cx_ll_iterator(
630
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
880 struct cx_list_s const *list,
655
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
881 size_t index,
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
882 bool backwards
494
6ce8cfa10a96 add iterator interface + linked list iterator
Mike Becker <universe@uap-core.de>
parents: 490
diff changeset
883 ) {
6ce8cfa10a96 add iterator interface + linked list iterator
Mike Becker <universe@uap-core.de>
parents: 490
diff changeset
884 CxIterator iter;
6ce8cfa10a96 add iterator interface + linked list iterator
Mike Becker <universe@uap-core.de>
parents: 490
diff changeset
885 iter.index = index;
495
2856c74e18ba add the feature to remove items during iteration
Mike Becker <universe@uap-core.de>
parents: 494
diff changeset
886 iter.src_handle = list;
2856c74e18ba add the feature to remove items during iteration
Mike Becker <universe@uap-core.de>
parents: 494
diff changeset
887 iter.elem_handle = cx_ll_node_at((cx_linked_list const *) list, index);
630
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
888 iter.base.valid = cx_ll_iter_valid;
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
889 iter.base.current = cx_ll_iter_current;
655
7340c4255f1f implement backwards iterator - fixes #238
Mike Becker <universe@uap-core.de>
parents: 654
diff changeset
890 iter.base.next = backwards ? cx_ll_iter_prev : cx_ll_iter_next;
630
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
891 iter.base.flag_removal = cx_ll_iter_flag_rm;
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
892 iter.base.mutating = false;
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
893 iter.base.remove = false;
494
6ce8cfa10a96 add iterator interface + linked list iterator
Mike Becker <universe@uap-core.de>
parents: 490
diff changeset
894 return iter;
6ce8cfa10a96 add iterator interface + linked list iterator
Mike Becker <universe@uap-core.de>
parents: 490
diff changeset
895 }
6ce8cfa10a96 add iterator interface + linked list iterator
Mike Becker <universe@uap-core.de>
parents: 490
diff changeset
896
499
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
897 static int cx_ll_insert_iter(
630
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
898 CxMutIterator *iter,
499
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
899 void const *elem,
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
900 int prepend
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
901 ) {
500
eb9e7bd40a8e do not hide pointers behind typedefs
Mike Becker <universe@uap-core.de>
parents: 499
diff changeset
902 struct cx_list_s *list = iter->src_handle;
499
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
903 cx_linked_list_node *node = iter->elem_handle;
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
904 if (node != NULL) {
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
905 assert(prepend >= 0 && prepend <= 1);
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
906 cx_linked_list_node *choice[2] = {node, node->prev};
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
907 int result = cx_ll_insert_at(list, choice[prepend], elem);
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
908 iter->index += prepend * (0 == result);
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
909 return result;
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
910 } else {
641
d402fead3386 add new pointer list wrapper - resolves #234
Mike Becker <universe@uap-core.de>
parents: 640
diff changeset
911 int result = cx_ll_insert_element(list, list->size, elem);
499
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
912 iter->index = list->size;
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
913 return result;
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
914 }
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
915 }
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
916
524
e98b09018d32 remove list destructor
Mike Becker <universe@uap-core.de>
parents: 521
diff changeset
917 static void cx_ll_destructor(CxList *list) {
e98b09018d32 remove list destructor
Mike Becker <universe@uap-core.de>
parents: 521
diff changeset
918 cx_linked_list *ll = (cx_linked_list *) list;
e98b09018d32 remove list destructor
Mike Becker <universe@uap-core.de>
parents: 521
diff changeset
919
e98b09018d32 remove list destructor
Mike Becker <universe@uap-core.de>
parents: 521
diff changeset
920 cx_linked_list_node *node = ll->begin;
e98b09018d32 remove list destructor
Mike Becker <universe@uap-core.de>
parents: 521
diff changeset
921 while (node) {
708
1caed6c9ba68 fix inconsistent destructor requirements for list and map classes
Mike Becker <universe@uap-core.de>
parents: 703
diff changeset
922 cx_invoke_destructor(list, node->payload);
524
e98b09018d32 remove list destructor
Mike Becker <universe@uap-core.de>
parents: 521
diff changeset
923 void *next = node->next;
e98b09018d32 remove list destructor
Mike Becker <universe@uap-core.de>
parents: 521
diff changeset
924 cxFree(list->allocator, node);
e98b09018d32 remove list destructor
Mike Becker <universe@uap-core.de>
parents: 521
diff changeset
925 node = next;
e98b09018d32 remove list destructor
Mike Becker <universe@uap-core.de>
parents: 521
diff changeset
926 }
708
1caed6c9ba68 fix inconsistent destructor requirements for list and map classes
Mike Becker <universe@uap-core.de>
parents: 703
diff changeset
927
1caed6c9ba68 fix inconsistent destructor requirements for list and map classes
Mike Becker <universe@uap-core.de>
parents: 703
diff changeset
928 cxFree(list->allocator, list);
524
e98b09018d32 remove list destructor
Mike Becker <universe@uap-core.de>
parents: 521
diff changeset
929 }
e98b09018d32 remove list destructor
Mike Becker <universe@uap-core.de>
parents: 521
diff changeset
930
451
db06dda7ac4d make cx_linked_list_class static
Mike Becker <universe@uap-core.de>
parents: 448
diff changeset
931 static cx_list_class cx_linked_list_class = {
524
e98b09018d32 remove list destructor
Mike Becker <universe@uap-core.de>
parents: 521
diff changeset
932 cx_ll_destructor,
641
d402fead3386 add new pointer list wrapper - resolves #234
Mike Becker <universe@uap-core.de>
parents: 640
diff changeset
933 cx_ll_insert_element,
638
eafb45eefc51 add cxListInsertArray() - fixes #224
Mike Becker <universe@uap-core.de>
parents: 630
diff changeset
934 cx_ll_insert_array,
499
3dc9075df822 add cxListInsertAfter() and cxListInsertBefore()
Mike Becker <universe@uap-core.de>
parents: 495
diff changeset
935 cx_ll_insert_iter,
398
8d506ed6c1c0 adds first draft for linked list implementation
Mike Becker <universe@uap-core.de>
parents:
diff changeset
936 cx_ll_remove,
664
af5bf4603a5d add cxListClear and fix missing destructor invocations - #241 #246
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
937 cx_ll_clear,
647
2e6e9d9f2159 implement swap function for list elements - fixes #218
Mike Becker <universe@uap-core.de>
parents: 641
diff changeset
938 cx_ll_swap,
439
9a5adedd6de6 add high-level function cxListAt()
Mike Becker <universe@uap-core.de>
parents: 438
diff changeset
939 cx_ll_at,
764
ccbdbd088455 add cxListFindRemove and cx_linked_list_find_node
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
940 cx_ll_find_remove,
488
9138acaa494b add cxLinkedListFromArray() and cxListCompare()
Mike Becker <universe@uap-core.de>
parents: 487
diff changeset
941 cx_ll_sort,
490
e66551b47466 add cxListReverse()
Mike Becker <universe@uap-core.de>
parents: 489
diff changeset
942 cx_ll_compare,
494
6ce8cfa10a96 add iterator interface + linked list iterator
Mike Becker <universe@uap-core.de>
parents: 490
diff changeset
943 cx_ll_reverse,
630
ac5e7f789048 separate iterators and mutating iterators
Mike Becker <universe@uap-core.de>
parents: 629
diff changeset
944 cx_ll_iterator,
398
8d506ed6c1c0 adds first draft for linked list implementation
Mike Becker <universe@uap-core.de>
parents:
diff changeset
945 };
8d506ed6c1c0 adds first draft for linked list implementation
Mike Becker <universe@uap-core.de>
parents:
diff changeset
946
670
4ad8ea3aee49 allow NULL for allocator and comparator
Mike Becker <universe@uap-core.de>
parents: 667
diff changeset
947 CxList *cxLinkedListCreate(
508
8aea65ae1eaf #168 - add attributes and const
Mike Becker <universe@uap-core.de>
parents: 503
diff changeset
948 CxAllocator const *allocator,
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
949 cx_compare_func comparator,
481
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
950 size_t item_size
eef025d82a34 add several new linked list functions
Mike Becker <universe@uap-core.de>
parents: 480
diff changeset
951 ) {
670
4ad8ea3aee49 allow NULL for allocator and comparator
Mike Becker <universe@uap-core.de>
parents: 667
diff changeset
952 if (allocator == NULL) {
4ad8ea3aee49 allow NULL for allocator and comparator
Mike Becker <universe@uap-core.de>
parents: 667
diff changeset
953 allocator = cxDefaultAllocator;
4ad8ea3aee49 allow NULL for allocator and comparator
Mike Becker <universe@uap-core.de>
parents: 667
diff changeset
954 }
4ad8ea3aee49 allow NULL for allocator and comparator
Mike Becker <universe@uap-core.de>
parents: 667
diff changeset
955
503
a89857072ace add new destructor API and apply it to CxList
Mike Becker <universe@uap-core.de>
parents: 500
diff changeset
956 cx_linked_list *list = cxCalloc(allocator, 1, sizeof(cx_linked_list));
528
4fbfac557df8 #179 improve API for list content destruction
Mike Becker <universe@uap-core.de>
parents: 524
diff changeset
957 if (list == NULL) return NULL;
398
8d506ed6c1c0 adds first draft for linked list implementation
Mike Becker <universe@uap-core.de>
parents:
diff changeset
958
435
0fe204d50f54 change inheritance model for lists
Mike Becker <universe@uap-core.de>
parents: 428
diff changeset
959 list->base.cl = &cx_linked_list_class;
0fe204d50f54 change inheritance model for lists
Mike Becker <universe@uap-core.de>
parents: 428
diff changeset
960 list->base.allocator = allocator;
406
9cbea761fbf7 adds cxLinkedListWrap and cxLinkedListRecalculateSize
Mike Becker <universe@uap-core.de>
parents: 404
diff changeset
961
667
2f88a7c13a28 add CX_STORE_POINTERS special "item size" for lists
Mike Becker <universe@uap-core.de>
parents: 666
diff changeset
962 if (item_size > 0) {
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
963 list->base.item_size = item_size;
763
741a2040fa33 make cx_cmp_ptr default comparator for pointer lists - relates to #340
Mike Becker <universe@uap-core.de>
parents: 735
diff changeset
964 list->base.cmpfunc = comparator;
667
2f88a7c13a28 add CX_STORE_POINTERS special "item size" for lists
Mike Becker <universe@uap-core.de>
parents: 666
diff changeset
965 } else {
763
741a2040fa33 make cx_cmp_ptr default comparator for pointer lists - relates to #340
Mike Becker <universe@uap-core.de>
parents: 735
diff changeset
966 list->base.cmpfunc = comparator == NULL ? cx_cmp_ptr : comparator;
667
2f88a7c13a28 add CX_STORE_POINTERS special "item size" for lists
Mike Becker <universe@uap-core.de>
parents: 666
diff changeset
967 cxListStorePointers((CxList *) list);
2f88a7c13a28 add CX_STORE_POINTERS special "item size" for lists
Mike Becker <universe@uap-core.de>
parents: 666
diff changeset
968 }
2f88a7c13a28 add CX_STORE_POINTERS special "item size" for lists
Mike Becker <universe@uap-core.de>
parents: 666
diff changeset
969
500
eb9e7bd40a8e do not hide pointers behind typedefs
Mike Becker <universe@uap-core.de>
parents: 499
diff changeset
970 return (CxList *) list;
406
9cbea761fbf7 adds cxLinkedListWrap and cxLinkedListRecalculateSize
Mike Becker <universe@uap-core.de>
parents: 404
diff changeset
971 }

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