Mercurial > hg > th-libs
annotate th_datastruct.c @ 754:d91d1174cfd8
Add th_llist_reverse() for reversing a linked list.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Wed, 01 Feb 2023 13:02:35 +0200 |
parents | 64cb2b1777a9 |
children | 3f84521fdd31 |
rev | line source |
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269
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Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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parents:
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1 /* |
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2 * Various data structure functions |
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3 * Programmed and designed by Matti 'ccr' Hamalainen |
726 | 4 * (C) Copyright 2002-2022 Tecnic Software productions (TNSP) |
269
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5 * |
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6 * Please read file 'COPYING' for information on license and distribution. |
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7 */ |
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8 #include "th_datastruct.h" |
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9 |
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Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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10 /* |
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11 * Doubly linked list handling |
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12 * |
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13 * In this implementation first node's prev points to last node of the list, |
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14 * and last node's next is NULL. This way we can semi-efficiently traverse to |
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15 * beginning and end of the list, assuming user does not do weird things. |
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16 */ |
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17 th_llist_t * th_llist_new(void *data) |
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18 { |
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19 th_llist_t *res = th_malloc0(sizeof(th_llist_t)); |
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20 res->data = data; |
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21 return res; |
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22 } |
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23 |
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24 |
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25 void th_llist_free_func_node(th_llist_t *list, void (*freefunc)(th_llist_t *)) |
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26 { |
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27 th_llist_t *curr = list; |
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28 |
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29 while (curr != NULL) |
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30 { |
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31 th_llist_t *next = curr->next; |
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32 freefunc(curr); |
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33 curr = next; |
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34 } |
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35 } |
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36 |
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37 |
560
414755d33796
Rename th_llist_free_func() to th_llist_free_func_data() to make it a bit more clear what this function does.
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553
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38 void th_llist_free_func_data(th_llist_t *list, void (*freefunc)(void *data)) |
269
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39 { |
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40 th_llist_t *curr = list; |
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41 |
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42 while (curr != NULL) |
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43 { |
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44 th_llist_t *next = curr->next; |
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45 if (curr->data != NULL) |
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46 freefunc(curr->data); |
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47 th_free(curr); |
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48 curr = next; |
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49 } |
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50 } |
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51 |
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52 |
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53 void th_llist_free(th_llist_t *list) |
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54 { |
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55 th_llist_t *curr = list; |
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56 |
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57 while (curr != NULL) |
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58 { |
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59 th_llist_t *next = curr->next; |
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60 th_free(curr); |
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61 curr = next; |
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62 } |
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63 } |
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64 |
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65 |
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66 void th_llist_append_node(th_llist_t **list, th_llist_t *node) |
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67 { |
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68 if (*list != NULL) |
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69 { |
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70 node->prev = (*list)->prev; |
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71 (*list)->prev->next = node; |
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72 (*list)->prev = node; |
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73 (*list)->num++; |
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74 } |
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75 else |
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76 { |
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77 *list = node; |
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78 node->prev = node; |
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79 (*list)->num = 1; |
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80 } |
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81 |
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82 node->next = NULL; |
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83 } |
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84 |
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85 |
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86 th_llist_t *th_llist_append(th_llist_t **list, void *data) |
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87 { |
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88 th_llist_t *node = th_llist_new(data); |
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89 |
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90 th_llist_append_node(list, node); |
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91 |
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92 return node; |
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93 } |
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94 |
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95 |
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96 void th_llist_prepend_node(th_llist_t **list, th_llist_t *node) |
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97 { |
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98 if (*list != NULL) |
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99 { |
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100 node->prev = (*list)->prev; |
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101 node->next = *list; |
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102 (*list)->prev = node; |
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103 node->num = (*list)->num + 1; |
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104 *list = node; |
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105 } |
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106 else |
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107 { |
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108 *list = node->prev = node; |
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109 node->next = NULL; |
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110 (*list)->num = 1; |
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111 } |
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112 |
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113 } |
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114 |
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115 |
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116 th_llist_t *th_llist_prepend(th_llist_t **list, void *data) |
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117 { |
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118 th_llist_t *node = th_llist_new(data); |
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119 |
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120 th_llist_prepend_node(list, node); |
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121 |
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122 return node; |
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123 } |
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124 |
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125 /* |
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126 1) Remove a middle node |
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127 |
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128 node0->prev->next = node->next (node1) |
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129 node0->next->prev = node->prev (list) |
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130 |
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131 node2 <- list <=> node0 <=> node1 <=> node2 -> NULL |
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132 node2 <- list <=> node1 <=> node2 -> NULL |
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133 |
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134 2) Remove first node when many items |
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135 |
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136 |
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137 node2 <- list <=> node0 <=> node1 <=> node2 -> NULL |
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138 node2 <- node0 <=> node1 <=> node2 -> NULL |
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139 |
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140 *list = node0 |
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141 |
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142 3) Remove last node in list |
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143 |
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144 if (node->next == NULL) { |
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145 list->prev = node->prev; |
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146 node->prev->next = NULL; |
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147 } |
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148 |
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149 node2 <- list <=> node0 <=> node1 <=> node2 -> NULL |
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150 node1 <- list <=> node0 <=> node1 -> NULL |
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151 |
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152 4) Remove last |
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153 |
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154 list <- list -> NULL |
441
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155 |
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156 |
269
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157 */ |
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158 void th_llist_delete_node(th_llist_t **list, th_llist_t *node) |
269
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159 { |
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160 if (node == *list) |
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161 { |
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162 // First node in list |
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163 th_llist_t *tmp = (*list)->next; |
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164 if (tmp != NULL) |
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165 { |
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166 tmp->num = (*list)->num - 1; |
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167 tmp->prev = (*list)->prev; |
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168 } |
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169 *list = tmp; |
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170 } |
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171 else |
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172 { |
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173 // Somewhere in middle or end |
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174 if (node->prev != NULL) |
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175 node->prev->next = node->next; |
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176 |
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177 if (node->next != NULL) |
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178 node->next->prev = node->prev; |
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179 else |
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180 (*list)->prev = node; // Last node |
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181 |
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182 (*list)->num--; |
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183 } |
441
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184 |
269
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185 node->next = node->prev = NULL; |
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186 } |
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187 |
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188 |
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189 th_llist_t * th_llist_get_nth(th_llist_t *list, const size_t n) |
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190 { |
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191 th_llist_t *curr = list; |
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192 size_t i; |
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193 |
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194 for (i = 0; curr != NULL && i < n; curr = curr->next, i++); |
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195 |
349
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196 return (i == n) ? curr : NULL; |
269
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197 } |
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198 |
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199 |
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200 size_t th_llist_length(const th_llist_t *list) |
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201 { |
348 | 202 return (list == NULL) ? 0 : list->num; |
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203 } |
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204 |
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205 |
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206 ssize_t th_llist_position(const th_llist_t *list, const th_llist_t *node) |
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207 { |
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208 const th_llist_t *curr = list; |
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209 ssize_t i = 0; |
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210 |
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211 while (curr != NULL) |
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212 { |
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213 if (curr == node) |
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214 return i; |
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215 else |
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216 i++; |
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217 |
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218 curr = curr->next; |
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219 } |
441
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220 |
269
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221 return -1; |
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222 } |
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223 |
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224 |
754
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225 void th_llist_reverse(th_llist_t **list) |
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226 { |
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227 th_llist_t *curr = *list, *prev = NULL; |
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228 |
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229 while (curr != NULL) |
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230 { |
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231 th_llist_t *next = curr->next; |
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232 curr->next = prev; |
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233 prev = curr; |
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234 curr = next; |
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235 if (curr != NULL) |
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236 curr->prev = prev; |
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237 } |
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238 |
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239 *list = prev; |
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240 } |
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241 |
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242 |
269
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243 void th_llist_foreach(th_llist_t *list, void (*func)(th_llist_t *node, void *userdata), void *data) |
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244 { |
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245 th_llist_t *curr = list; |
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246 |
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247 while (curr != NULL) |
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248 { |
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249 func(curr, data); |
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250 curr = curr->next; |
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251 } |
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252 } |
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253 |
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254 |
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255 int th_llist_foreach_cond(th_llist_t *list, int (*func)(th_llist_t *node, void *userdata), void *data, th_llist_t **ret) |
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256 { |
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257 th_llist_t *curr = list; |
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258 |
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259 while (curr != NULL) |
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260 { |
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261 int res = func(curr, data); |
670 | 262 if (res != THERR_OK) |
269
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263 { |
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264 *ret = curr; |
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265 return res; |
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266 } |
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267 curr = curr->next; |
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268 } |
441
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269 |
670 | 270 return THERR_OK; |
269
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271 } |
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272 |
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273 |
753
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274 th_llist_t * th_llist_find_data(th_llist_t *list, const void *data) |
269
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275 { |
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276 th_llist_t *curr = list; |
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277 |
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278 while (curr != NULL) |
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279 { |
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280 if (curr->data == data) |
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281 return curr; |
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282 curr = curr->next; |
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283 } |
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284 |
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285 return NULL; |
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286 } |
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287 |
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288 |
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289 th_llist_t * th_llist_find_func(th_llist_t *list, const void *userdata, int (compare)(const void *, const void *)) |
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290 { |
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291 th_llist_t *curr = list; |
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292 |
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293 while (curr != NULL) |
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294 { |
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295 if (compare(curr->data, userdata) == 0) |
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296 return curr; |
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297 curr = curr->next; |
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298 } |
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299 |
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300 return NULL; |
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301 } |
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302 |
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303 |
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304 /* |
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305 * Ringbuffers |
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306 */ |
631
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307 int th_ringbuf_init(th_ringbuf_t *buf, const size_t size, void (*mdeallocator)(void *data)) |
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308 { |
731
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309 memset(buf, 0, sizeof(*buf)); |
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310 |
631
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311 // Must have at least 2 elements |
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312 if (size < 2) |
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313 return THERR_BOUNDS; |
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314 |
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315 if ((buf->data = th_calloc(size, sizeof(void *))) == NULL) |
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316 return THERR_MALLOC; |
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317 |
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318 buf->size = size; |
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319 buf->n = 0; |
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320 buf->deallocator = mdeallocator; |
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321 |
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322 return THERR_OK; |
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323 } |
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324 |
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325 |
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326 int th_ringbuf_new(th_ringbuf_t **buf, const size_t size, void (*mdeallocator)(void *data)) |
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327 { |
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328 int res; |
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329 |
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330 if ((*buf = th_malloc0(sizeof(th_ringbuf_t))) == NULL) |
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331 return THERR_MALLOC; |
441
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332 |
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333 if ((res = th_ringbuf_init(*buf, size, mdeallocator)) != THERR_OK) |
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334 { |
732 | 335 th_free(*buf); |
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336 return res; |
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337 } |
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338 |
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339 (*buf)->is_allocated = true; |
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340 |
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341 return THERR_OK; |
269
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342 } |
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343 |
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344 |
632
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345 int th_ringbuf_grow(th_ringbuf_t *buf, const size_t nadd) |
269
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346 { |
632
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347 if (buf == NULL) |
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348 return THERR_NULLPTR; |
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349 |
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350 buf->data = (void **) th_realloc(buf->data, (buf->size + nadd) * sizeof(void *)); |
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351 if (buf->data == NULL) |
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352 return THERR_MALLOC; |
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353 |
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354 memset(buf->data + buf->size, 0, sizeof(void *) * nadd); |
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355 buf->size += nadd; |
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356 |
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357 return THERR_OK; |
269
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358 } |
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359 |
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360 |
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361 void th_ringbuf_free(th_ringbuf_t *buf) |
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362 { |
752
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363 if (buf != NULL) |
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364 { |
752
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365 for (size_t i = 0; i < buf->size; i++) |
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366 { |
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367 buf->deallocator(buf->data[i]); |
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368 } |
441
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369 |
752
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370 th_free(buf->data); |
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371 |
752
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372 if (buf->is_allocated) |
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373 th_free(buf); |
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374 } |
269
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375 } |
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376 |
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377 |
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378 void th_ringbuf_add(th_ringbuf_t *buf, void *ptr) |
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379 { |
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380 if (buf->n < buf->size) |
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381 buf->n++; |
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382 |
730
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383 buf->deallocator(buf->data[0]); |
269
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384 memmove(&(buf->data[0]), &(buf->data[1]), (buf->size - 1) * sizeof(void *)); |
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385 buf->data[buf->size - 1] = ptr; |
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386 } |
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387 |
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388 |
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389 /* |
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390 * Growing buffer |
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391 */ |
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392 void th_growbuf_clear(th_growbuf_t *buf) |
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393 { |
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394 // Simply reset the current "length" |
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395 buf->len = 0; |
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396 } |
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|
397 |
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|
398 |
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|
399 void th_growbuf_init(th_growbuf_t *buf, const size_t mingrow) |
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400 { |
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|
401 // Initialize the buffer structure |
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402 memset(buf, 0, sizeof(th_growbuf_t)); |
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|
403 buf->mingrow = mingrow; |
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|
404 } |
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|
405 |
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|
406 |
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|
407 th_growbuf_t *th_growbuf_new(const size_t mingrow) |
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408 { |
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|
409 th_growbuf_t *buf; |
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|
410 |
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411 if ((buf = th_malloc(sizeof(th_growbuf_t))) == NULL) |
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|
412 return NULL; |
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|
413 |
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changeset
|
414 th_growbuf_init(buf, mingrow); |
735
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Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
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|
415 buf->is_allocated = true; |
269
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|
416 |
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|
417 return buf; |
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418 } |
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419 |
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|
420 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
421 void th_growbuf_free(th_growbuf_t *buf) |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
422 { |
752
3710c117b7c7
Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
751
diff
changeset
|
423 if (buf != NULL) |
3710c117b7c7
Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
751
diff
changeset
|
424 { |
3710c117b7c7
Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
751
diff
changeset
|
425 th_free(buf->data); |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
426 |
752
3710c117b7c7
Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
751
diff
changeset
|
427 if (buf->is_allocated) |
3710c117b7c7
Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
751
diff
changeset
|
428 th_free(buf); |
3710c117b7c7
Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
751
diff
changeset
|
429 } |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
430 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
431 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
432 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
433 bool th_growbuf_grow(th_growbuf_t *buf, const size_t amount) |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
434 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
435 if (buf == NULL) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
436 return false; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
437 |
464 | 438 if (buf->data == NULL || buf->len + amount >= buf->size) |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
439 { |
464 | 440 buf->size += amount + (buf->mingrow > 0 ? buf->mingrow : TH_BUFGROW); |
441 if ((buf->data = th_realloc(buf->data, buf->size)) == NULL) | |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
442 return false; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
443 } |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
444 return true; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
445 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
446 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
447 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
448 bool th_growbuf_puts(th_growbuf_t *buf, const char *str, bool eos) |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
449 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
450 size_t slen; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
451 if (str == NULL) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
452 return false; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
453 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
454 slen = strlen(str); |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
455 if (!th_growbuf_grow(buf, slen + 1)) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
456 return false; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
457 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
458 memcpy(buf->data + buf->len, str, slen + 1); |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
459 buf->len += eos ? (slen + 1) : slen; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
460 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
461 return true; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
462 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
463 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
464 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
465 bool th_growbuf_putch(th_growbuf_t *buf, const char ch) |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
466 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
467 if (!th_growbuf_grow(buf, sizeof(char))) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
468 return false; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
469 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
470 buf->data[buf->len++] = (uint8_t) ch; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
471 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
472 return true; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
473 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
474 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
475 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
476 bool th_growbuf_put_str(th_growbuf_t *buf, const void *str, const size_t len) |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
477 { |
464 | 478 if (str == NULL) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
479 return false; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
480 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
481 if (!th_growbuf_grow(buf, len + 1)) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
482 return false; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
483 |
464 | 484 memcpy(buf->data + buf->len, str, len + 1); |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
485 buf->len += len; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
486 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
487 return true; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
488 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
489 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
490 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
491 bool th_growbuf_put_u8(th_growbuf_t *buf, const uint8_t val) |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
492 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
493 if (!th_growbuf_grow(buf, sizeof(uint8_t))) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
494 return false; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
495 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
496 buf->data[buf->len++] = val; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
497 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
498 return true; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
499 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
500 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
501 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
502 bool th_growbuf_put_u16_be(th_growbuf_t *buf, const uint16_t val) |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
503 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
504 if (!th_growbuf_grow(buf, sizeof(uint16_t))) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
505 return false; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
506 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
507 buf->data[buf->len++] = (val >> 8) & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
508 buf->data[buf->len++] = val & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
509 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
510 return true; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
511 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
512 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
513 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
514 bool th_growbuf_put_u16_le(th_growbuf_t *buf, const uint16_t val) |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
515 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
516 if (!th_growbuf_grow(buf, sizeof(uint16_t))) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
517 return false; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
518 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
519 buf->data[buf->len++] = val & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
520 buf->data[buf->len++] = (val >> 8) & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
521 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
522 return true; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
523 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
524 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
525 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
526 bool th_growbuf_put_u32_be(th_growbuf_t *buf, const uint32_t val) |
269
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Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
527 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
528 if (!th_growbuf_grow(buf, sizeof(uint32_t))) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
529 return false; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
530 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
531 buf->data[buf->len++] = (val >> 24) & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
532 buf->data[buf->len++] = (val >> 16) & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
533 buf->data[buf->len++] = (val >> 8) & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
534 buf->data[buf->len++] = val & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
535 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
536 return true; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
537 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
538 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
539 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
540 bool th_growbuf_put_u32_le(th_growbuf_t *buf, const uint32_t val) |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
541 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
542 if (!th_growbuf_grow(buf, sizeof(uint32_t))) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
543 return false; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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parents:
diff
changeset
|
544 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
545 buf->data[buf->len++] = val & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
546 buf->data[buf->len++] = (val >> 8) & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
547 buf->data[buf->len++] = (val >> 16) & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
548 buf->data[buf->len++] = (val >> 24) & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
549 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
550 return true; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
551 } |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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269
diff
changeset
|
552 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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269
diff
changeset
|
553 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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269
diff
changeset
|
554 /* |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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269
diff
changeset
|
555 * Simple legacy string growing buffer |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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269
diff
changeset
|
556 */ |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
557 bool th_strbuf_grow(char **buf, size_t *bufsize, size_t *len, size_t grow) |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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parents:
269
diff
changeset
|
558 { |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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parents:
269
diff
changeset
|
559 if (*buf == NULL) |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
560 *bufsize = *len = 0; |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
561 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
562 if (*buf == NULL || *len + grow >= *bufsize) |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
563 { |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
564 *bufsize += grow + TH_BUFGROW; |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
565 *buf = th_realloc(*buf, *bufsize); |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
566 if (*buf == NULL) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
567 return false; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
568 } |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
569 return true; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
570 } |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
571 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
572 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
573 bool th_strbuf_putch(char **buf, size_t *bufsize, size_t *len, const uint8_t ch) |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
574 { |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
575 if (!th_strbuf_grow(buf, bufsize, len, 1)) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
576 return false; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
577 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
578 (*buf)[*len] = ch; |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
579 (*len)++; |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
580 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
581 return true; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
582 } |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
583 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
584 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
585 bool th_strbuf_putsn(char **buf, size_t *bufsize, size_t *len, const char *str, const size_t slen) |
445
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
586 { |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
587 if (str == NULL) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
588 return false; |
445
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
589 |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
590 if (!th_strbuf_grow(buf, bufsize, len, slen + 1)) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
591 return false; |
445
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
592 |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
593 memcpy(*buf + *len, str, slen); |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
594 (*len) += slen; |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
595 *(buf + *len + slen) = 0; |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
596 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
597 return true; |
445
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
598 } |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
599 |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
600 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
601 bool th_strbuf_puts(char **buf, size_t *bufsize, size_t *len, const char *str) |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
602 { |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
603 size_t slen; |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
604 if (str == NULL) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
605 return false; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
606 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
607 slen = strlen(str); |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
608 if (!th_strbuf_grow(buf, bufsize, len, slen + 1)) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
609 return false; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
610 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
611 memcpy(*buf + *len, str, slen + 1); |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
612 (*len) += slen; |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
613 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
614 return true; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
615 } |
736
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
616 |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
617 |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
618 int th_ptrlist_init(th_ptrlist_t *list, const size_t ninitial, const size_t ngrow) |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
619 { |
752
3710c117b7c7
Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
751
diff
changeset
|
620 if (list == NULL) |
3710c117b7c7
Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
751
diff
changeset
|
621 return THERR_NULLPTR; |
3710c117b7c7
Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
751
diff
changeset
|
622 |
736
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
623 memset(list, 0, sizeof(*list)); |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
624 |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
625 if (ngrow == 0) |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
626 return THERR_INVALID_ARGS; |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
627 |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
628 list->nitems = 0; |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
629 list->nallocated = ninitial; |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
630 list->ngrow = ngrow; |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
631 |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
632 if ((list->items = th_malloc(list->nallocated * sizeof(void *))) == NULL) |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
633 return THERR_MALLOC; |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
634 |
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635 return THERR_OK; |
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636 } |
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637 |
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638 |
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639 int th_ptrlist_new(th_ptrlist_t **list, const size_t ninitial, const size_t ngrow) |
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640 { |
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641 int res; |
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642 |
752
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643 if (list == NULL) |
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644 return THERR_NULLPTR; |
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645 |
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646 if ((*list = th_malloc0(sizeof(th_ptrlist_t))) == NULL) |
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647 return THERR_MALLOC; |
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648 |
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649 if ((res = th_ptrlist_init(*list, ninitial, ngrow)) != THERR_OK) |
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650 { |
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651 th_free(*list); |
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652 return res; |
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653 } |
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654 |
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655 (*list)->is_allocated = true; |
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656 |
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657 return THERR_OK; |
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658 } |
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659 |
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660 |
751 | 661 int th_ptrlist_append(th_ptrlist_t *list, void *data) |
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662 { |
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663 if (list == NULL) |
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664 return THERR_NULLPTR; |
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665 |
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666 if (list->nitems + 1 >= list->nallocated) |
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667 { |
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668 list->nallocated += list->ngrow; |
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669 if ((list->items = th_realloc(list->items, list->nallocated * sizeof(void *))) == NULL) |
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670 return THERR_MALLOC; |
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671 } |
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672 |
751 | 673 list->items[list->nitems++] = data; |
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674 |
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675 return THERR_OK; |
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676 } |
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677 |
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678 |
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679 void th_ptrlist_free(th_ptrlist_t *list, void (*mdeallocator)(void *data)) |
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680 { |
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681 if (list != NULL) |
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682 { |
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683 if (mdeallocator != NULL) |
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684 { |
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685 for (size_t i = 0; i < list->nitems; i++) |
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686 mdeallocator(list->items[i]); |
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687 } |
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688 |
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689 th_free(list->items); |
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690 |
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691 if (list->is_allocated) |
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692 th_free(list); |
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693 } |
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694 } |