annotate th_datastruct.c @ 757:2ab2fece83ea

Add th_llist_length_slow().
author Matti Hamalainen <ccr@tnsp.org>
date Wed, 01 Feb 2023 14:09:25 +0200
parents 4bd82aca5e98
children 72fb5ce9086a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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1 /*
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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2 * Various data structure functions
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3 * Programmed and designed by Matti 'ccr' Hamalainen
726
29e44a58bc73 Bump copyrights.
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4 * (C) Copyright 2002-2022 Tecnic Software productions (TNSP)
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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
fcbdc12f5866 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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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
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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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38 void th_llist_free_func_data(th_llist_t *list, void (*freefunc)(void *data))
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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
2991e6b52d95 Get rid of trailing whitespace.
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155
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156
269
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157 */
689
9c61834c191b Remove th_llist_delete() and th_llist_delete_node() and rename
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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
5c5b3919263d th_llist_get_nth() returned last value of list if N > number of elements.
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diff changeset
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
a001708551d0 Cosmetics.
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diff changeset
202 return (list == NULL) ? 0 : list->num;
269
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203 }
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204
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205
757
2ab2fece83ea Add th_llist_length_slow().
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diff changeset
206 size_t th_llist_length_slow(const th_llist_t *list)
2ab2fece83ea Add th_llist_length_slow().
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diff changeset
207 {
2ab2fece83ea Add th_llist_length_slow().
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diff changeset
208 th_llist_t *curr = list;
2ab2fece83ea Add th_llist_length_slow().
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diff changeset
209 size_t i;
2ab2fece83ea Add th_llist_length_slow().
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diff changeset
210
2ab2fece83ea Add th_llist_length_slow().
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diff changeset
211 for (i = 0; curr != NULL; curr = curr->next, i++);
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diff changeset
212
2ab2fece83ea Add th_llist_length_slow().
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diff changeset
213 return i;
2ab2fece83ea Add th_llist_length_slow().
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diff changeset
214 }
2ab2fece83ea Add th_llist_length_slow().
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215
2ab2fece83ea Add th_llist_length_slow().
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diff changeset
216
269
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217 ssize_t th_llist_position(const th_llist_t *list, const th_llist_t *node)
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218 {
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219 const th_llist_t *curr = list;
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220 ssize_t i = 0;
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221
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222 while (curr != NULL)
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223 {
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diff changeset
224 if (curr == node)
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225 return i;
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226 else
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diff changeset
227 i++;
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228
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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diff changeset
229 curr = curr->next;
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230 }
441
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diff changeset
231
269
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diff changeset
232 return -1;
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233 }
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234
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235
754
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diff changeset
236 void th_llist_reverse(th_llist_t **list)
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237 {
755
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238 th_llist_t
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239 *f_curr = *list, *f_prev = NULL,
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240 *b_curr = *list, *b_prev = NULL;
756
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diff changeset
241 size_t count = 0;
754
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242
756
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diff changeset
243 // NULL list?
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diff changeset
244 if (f_curr == NULL)
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diff changeset
245 return;
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246
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diff changeset
247 // Set initial previous backward pointer
755
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diff changeset
248 if (b_curr != NULL)
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249 b_prev = b_curr->prev;
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diff changeset
250
756
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diff changeset
251 // Reverse the list
755
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diff changeset
252 while (f_curr != NULL)
754
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diff changeset
253 {
755
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diff changeset
254 th_llist_t
756
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diff changeset
255 *f_next = f_curr->next, // next = current->next
755
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256 *b_next = b_curr->prev;
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257
756
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diff changeset
258 count++;
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diff changeset
259 f_curr->num = 0;
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260
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diff changeset
261 f_curr->next = f_prev; // current->next = previous
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262 f_prev = f_curr; // previous = current
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263 f_curr = f_next; // current = next
755
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264
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diff changeset
265 b_curr->prev = b_prev;
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266 b_prev = b_curr;
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267 b_curr = b_next;
754
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diff changeset
268 }
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269
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270 // Update count
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271 f_prev->num = count;
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272
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273 // Set list pointer
755
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274 *list = f_prev;
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275
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diff changeset
276 // Fix last previous pointer
755
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277 if (b_curr != NULL)
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278 b_curr->prev = b_prev;
754
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279 }
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280
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281
269
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282 void th_llist_foreach(th_llist_t *list, void (*func)(th_llist_t *node, void *userdata), void *data)
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283 {
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284 th_llist_t *curr = list;
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285
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286 while (curr != NULL)
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parents:
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287 {
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288 func(curr, data);
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289 curr = curr->next;
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290 }
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291 }
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parents:
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292
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293
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294 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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295 {
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296 th_llist_t *curr = list;
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297
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298 while (curr != NULL)
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299 {
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300 int res = func(curr, data);
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301 if (res != THERR_OK)
269
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302 {
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303 *ret = curr;
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304 return res;
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305 }
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306 curr = curr->next;
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parents:
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307 }
441
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diff changeset
308
670
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diff changeset
309 return THERR_OK;
269
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310 }
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311
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312
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313 th_llist_t * th_llist_find_data(th_llist_t *list, const void *data)
269
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314 {
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315 th_llist_t *curr = list;
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316
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317 while (curr != NULL)
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318 {
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319 if (curr->data == data)
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320 return curr;
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321 curr = curr->next;
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322 }
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323
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324 return NULL;
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325 }
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326
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327
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328 th_llist_t * th_llist_find_func(th_llist_t *list, const void *userdata, int (compare)(const void *, const void *))
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parents:
diff changeset
329 {
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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330 th_llist_t *curr = list;
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331
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332 while (curr != NULL)
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parents:
diff changeset
333 {
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diff changeset
334 if (compare(curr->data, userdata) == 0)
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335 return curr;
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336 curr = curr->next;
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337 }
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338
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339 return NULL;
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340 }
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341
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342
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343 /*
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344 * Ringbuffers
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345 */
631
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346 int th_ringbuf_init(th_ringbuf_t *buf, const size_t size, void (*mdeallocator)(void *data))
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347 {
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348 memset(buf, 0, sizeof(*buf));
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349
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350 // Must have at least 2 elements
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351 if (size < 2)
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352 return THERR_BOUNDS;
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353
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parents: 629
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354 if ((buf->data = th_calloc(size, sizeof(void *))) == NULL)
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parents: 629
diff changeset
355 return THERR_MALLOC;
d5221299656a Add new function th_ringbuf_init() and add "allocated" field to th_ringbuf_t
Matti Hamalainen <ccr@tnsp.org>
parents: 629
diff changeset
356
d5221299656a Add new function th_ringbuf_init() and add "allocated" field to th_ringbuf_t
Matti Hamalainen <ccr@tnsp.org>
parents: 629
diff changeset
357 buf->size = size;
d5221299656a Add new function th_ringbuf_init() and add "allocated" field to th_ringbuf_t
Matti Hamalainen <ccr@tnsp.org>
parents: 629
diff changeset
358 buf->n = 0;
d5221299656a Add new function th_ringbuf_init() and add "allocated" field to th_ringbuf_t
Matti Hamalainen <ccr@tnsp.org>
parents: 629
diff changeset
359 buf->deallocator = mdeallocator;
d5221299656a Add new function th_ringbuf_init() and add "allocated" field to th_ringbuf_t
Matti Hamalainen <ccr@tnsp.org>
parents: 629
diff changeset
360
d5221299656a Add new function th_ringbuf_init() and add "allocated" field to th_ringbuf_t
Matti Hamalainen <ccr@tnsp.org>
parents: 629
diff changeset
361 return THERR_OK;
d5221299656a Add new function th_ringbuf_init() and add "allocated" field to th_ringbuf_t
Matti Hamalainen <ccr@tnsp.org>
parents: 629
diff changeset
362 }
d5221299656a Add new function th_ringbuf_init() and add "allocated" field to th_ringbuf_t
Matti Hamalainen <ccr@tnsp.org>
parents: 629
diff changeset
363
d5221299656a Add new function th_ringbuf_init() and add "allocated" field to th_ringbuf_t
Matti Hamalainen <ccr@tnsp.org>
parents: 629
diff changeset
364
731
98d12f33da7b Change th_ringbuf_new() API.
Matti Hamalainen <ccr@tnsp.org>
parents: 730
diff changeset
365 int th_ringbuf_new(th_ringbuf_t **buf, const size_t size, void (*mdeallocator)(void *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
366 {
631
d5221299656a Add new function th_ringbuf_init() and add "allocated" field to th_ringbuf_t
Matti Hamalainen <ccr@tnsp.org>
parents: 629
diff changeset
367 int res;
628
140e2272471c Add some error checking in th_ringbuf_new().
Matti Hamalainen <ccr@tnsp.org>
parents: 627
diff changeset
368
731
98d12f33da7b Change th_ringbuf_new() API.
Matti Hamalainen <ccr@tnsp.org>
parents: 730
diff changeset
369 if ((*buf = th_malloc0(sizeof(th_ringbuf_t))) == NULL)
98d12f33da7b Change th_ringbuf_new() API.
Matti Hamalainen <ccr@tnsp.org>
parents: 730
diff changeset
370 return THERR_MALLOC;
441
2991e6b52d95 Get rid of trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 432
diff changeset
371
731
98d12f33da7b Change th_ringbuf_new() API.
Matti Hamalainen <ccr@tnsp.org>
parents: 730
diff changeset
372 if ((res = th_ringbuf_init(*buf, size, mdeallocator)) != THERR_OK)
628
140e2272471c Add some error checking in th_ringbuf_new().
Matti Hamalainen <ccr@tnsp.org>
parents: 627
diff changeset
373 {
732
d190dccc3ee6 Fix free.
Matti Hamalainen <ccr@tnsp.org>
parents: 731
diff changeset
374 th_free(*buf);
731
98d12f33da7b Change th_ringbuf_new() API.
Matti Hamalainen <ccr@tnsp.org>
parents: 730
diff changeset
375 return res;
628
140e2272471c Add some error checking in th_ringbuf_new().
Matti Hamalainen <ccr@tnsp.org>
parents: 627
diff changeset
376 }
140e2272471c Add some error checking in th_ringbuf_new().
Matti Hamalainen <ccr@tnsp.org>
parents: 627
diff changeset
377
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
378 (*buf)->is_allocated = true;
731
98d12f33da7b Change th_ringbuf_new() API.
Matti Hamalainen <ccr@tnsp.org>
parents: 730
diff changeset
379
98d12f33da7b Change th_ringbuf_new() API.
Matti Hamalainen <ccr@tnsp.org>
parents: 730
diff changeset
380 return THERR_OK;
269
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
381 }
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
382
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
383
632
553db886533e Return a THERR_* error value from th_ringbuf_grow() instead of BOOL. This
Matti Hamalainen <ccr@tnsp.org>
parents: 631
diff changeset
384 int th_ringbuf_grow(th_ringbuf_t *buf, const size_t nadd)
269
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
385 {
632
553db886533e Return a THERR_* error value from th_ringbuf_grow() instead of BOOL. This
Matti Hamalainen <ccr@tnsp.org>
parents: 631
diff changeset
386 if (buf == NULL)
553db886533e Return a THERR_* error value from th_ringbuf_grow() instead of BOOL. This
Matti Hamalainen <ccr@tnsp.org>
parents: 631
diff changeset
387 return THERR_NULLPTR;
553db886533e Return a THERR_* error value from th_ringbuf_grow() instead of BOOL. This
Matti Hamalainen <ccr@tnsp.org>
parents: 631
diff changeset
388
553db886533e Return a THERR_* error value from th_ringbuf_grow() instead of BOOL. This
Matti Hamalainen <ccr@tnsp.org>
parents: 631
diff changeset
389 buf->data = (void **) th_realloc(buf->data, (buf->size + nadd) * sizeof(void *));
553db886533e Return a THERR_* error value from th_ringbuf_grow() instead of BOOL. This
Matti Hamalainen <ccr@tnsp.org>
parents: 631
diff changeset
390 if (buf->data == NULL)
553db886533e Return a THERR_* error value from th_ringbuf_grow() instead of BOOL. This
Matti Hamalainen <ccr@tnsp.org>
parents: 631
diff changeset
391 return THERR_MALLOC;
553db886533e Return a THERR_* error value from th_ringbuf_grow() instead of BOOL. This
Matti Hamalainen <ccr@tnsp.org>
parents: 631
diff changeset
392
553db886533e Return a THERR_* error value from th_ringbuf_grow() instead of BOOL. This
Matti Hamalainen <ccr@tnsp.org>
parents: 631
diff changeset
393 memset(buf->data + buf->size, 0, sizeof(void *) * nadd);
553db886533e Return a THERR_* error value from th_ringbuf_grow() instead of BOOL. This
Matti Hamalainen <ccr@tnsp.org>
parents: 631
diff changeset
394 buf->size += nadd;
553db886533e Return a THERR_* error value from th_ringbuf_grow() instead of BOOL. This
Matti Hamalainen <ccr@tnsp.org>
parents: 631
diff changeset
395
553db886533e Return a THERR_* error value from th_ringbuf_grow() instead of BOOL. This
Matti Hamalainen <ccr@tnsp.org>
parents: 631
diff changeset
396 return THERR_OK;
269
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
397 }
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
398
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
399
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
400 void th_ringbuf_free(th_ringbuf_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
401 {
752
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
402 if (buf != NULL)
269
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
403 {
752
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
404 for (size_t i = 0; i < buf->size; i++)
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
405 {
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
406 buf->deallocator(buf->data[i]);
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
407 }
441
2991e6b52d95 Get rid of trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents: 432
diff changeset
408
752
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
409 th_free(buf->data);
631
d5221299656a Add new function th_ringbuf_init() and add "allocated" field to th_ringbuf_t
Matti Hamalainen <ccr@tnsp.org>
parents: 629
diff changeset
410
752
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
411 if (buf->is_allocated)
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
412 th_free(buf);
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
413 }
269
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
414 }
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
415
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
416
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
417 void th_ringbuf_add(th_ringbuf_t *buf, void *ptr)
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
418 {
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
419 if (buf->n < buf->size)
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
420 buf->n++;
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
421
730
1a3ea8f7bb35 Use specified deallocator for ringbuffers when rotating.
Matti Hamalainen <ccr@tnsp.org>
parents: 726
diff changeset
422 buf->deallocator(buf->data[0]);
269
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
423 memmove(&(buf->data[0]), &(buf->data[1]), (buf->size - 1) * sizeof(void *));
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
424 buf->data[buf->size - 1] = ptr;
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
425 }
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
426
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
427
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
428 /*
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
429 * Growing buffer
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 void th_growbuf_clear(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
432 {
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
433 // Simply reset the current "length"
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
434 buf->len = 0;
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
435 }
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
436
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
437
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
438 void th_growbuf_init(th_growbuf_t *buf, const size_t mingrow)
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
439 {
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
440 // Initialize the buffer structure
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
441 memset(buf, 0, sizeof(th_growbuf_t));
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
442 buf->mingrow = mingrow;
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
443 }
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
444
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 th_growbuf_t *th_growbuf_new(const size_t mingrow)
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
447 {
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
448 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
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 if ((buf = th_malloc(sizeof(th_growbuf_t))) == NULL)
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
451 return NULL;
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
452
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
453 th_growbuf_init(buf, mingrow);
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
454 buf->is_allocated = 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
455
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
456 return buf;
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
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
459
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
460 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
461 {
752
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
462 if (buf != NULL)
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
463 {
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
464 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
465
752
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
466 if (buf->is_allocated)
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
467 th_free(buf);
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
468 }
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
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 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
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 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
475 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
476
464
761724e01c02 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 457
diff changeset
477 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
478 {
464
761724e01c02 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 457
diff changeset
479 buf->size += amount + (buf->mingrow > 0 ? buf->mingrow : TH_BUFGROW);
761724e01c02 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 457
diff changeset
480 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
481 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
482 }
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
483 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
484 }
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
485
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 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
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 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
490 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
491 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
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 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
494 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
495 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
496
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
497 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
498 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
499
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
500 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
501 }
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
502
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
503
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
504 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
505 {
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
506 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
507 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
508
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
509 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
510
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
511 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
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
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
514
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
515 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
516 {
464
761724e01c02 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 457
diff changeset
517 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
518 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
519
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
520 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
521 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
522
464
761724e01c02 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 457
diff changeset
523 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
524 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
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 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
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
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
529
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
530 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
531 {
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
532 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
533 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
534
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
535 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
536
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
537 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
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
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
540
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
541 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
542 {
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
543 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
544 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
545
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 & 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
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
549 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
550 }
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
551
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
552
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
553 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
554 {
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
555 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
556 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
557
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
558 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
559 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
560
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
561 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
562 }
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
563
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
564
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
565 bool th_growbuf_put_u32_be(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
566 {
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
567 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
568 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
569
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
570 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
571 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
572 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
573 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
574
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
575 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
576 }
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
577
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
578
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
579 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
580 {
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
581 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
582 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
583
fcbdc12f5866 Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
584 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
585 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
586 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
587 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
588
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
589 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
590 }
271
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
591
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
592
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
593 /*
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
594 * Simple legacy string growing buffer
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
595 */
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
596 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.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
597 {
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
598 if (*buf == NULL)
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
599 *bufsize = *len = 0;
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
600
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
601 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
602 {
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
603 *bufsize += grow + TH_BUFGROW;
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
604 *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
605 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
606 return false;
271
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
607 }
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
608 return true;
271
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
609 }
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
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
612 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
613 {
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
614 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
615 return false;
271
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
616
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
617 (*buf)[*len] = ch;
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
618 (*len)++;
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
619
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
620 return true;
271
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
621 }
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
622
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
623
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
624 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
625 {
6d29aaeab290 Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents: 441
diff changeset
626 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
627 return false;
445
6d29aaeab290 Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents: 441
diff changeset
628
6d29aaeab290 Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents: 441
diff changeset
629 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
630 return false;
445
6d29aaeab290 Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents: 441
diff changeset
631
6d29aaeab290 Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents: 441
diff changeset
632 memcpy(*buf + *len, str, slen);
6d29aaeab290 Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents: 441
diff changeset
633 (*len) += slen;
6d29aaeab290 Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents: 441
diff changeset
634 *(buf + *len + slen) = 0;
6d29aaeab290 Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents: 441
diff changeset
635
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
636 return true;
445
6d29aaeab290 Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents: 441
diff changeset
637 }
6d29aaeab290 Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents: 441
diff changeset
638
6d29aaeab290 Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents: 441
diff changeset
639
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
640 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
641 {
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
642 size_t slen;
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
643 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
644 return false;
271
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
645
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
646 slen = strlen(str);
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
647 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
648 return false;
271
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
649
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
650 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
651 (*len) += slen;
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
652
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
653 return true;
271
2f067fbf6f13 Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents: 269
diff changeset
654 }
736
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
655
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
656
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
657 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
658 {
752
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
659 if (list == NULL)
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
660 return THERR_NULLPTR;
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
661
736
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
662 memset(list, 0, sizeof(*list));
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
663
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
664 if (ngrow == 0)
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
665 return THERR_INVALID_ARGS;
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
666
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
667 list->nitems = 0;
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
668 list->nallocated = ninitial;
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
669 list->ngrow = ngrow;
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
670
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
671 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
672 return THERR_MALLOC;
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
673
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
674 return THERR_OK;
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
675 }
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
676
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
677
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
678 int th_ptrlist_new(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
679 {
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
680 int res;
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
681
752
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
682 if (list == NULL)
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
683 return THERR_NULLPTR;
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
684
736
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
685 if ((*list = th_malloc0(sizeof(th_ptrlist_t))) == NULL)
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
686 return THERR_MALLOC;
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
687
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
688 if ((res = th_ptrlist_init(*list, ninitial, ngrow)) != THERR_OK)
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
689 {
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
690 th_free(*list);
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
691 return res;
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
692 }
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
693
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
694 (*list)->is_allocated = true;
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
695
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
696 return THERR_OK;
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
697 }
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
698
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
699
751
3091fd1987e9 Rename function argument.
Matti Hamalainen <ccr@tnsp.org>
parents: 736
diff changeset
700 int th_ptrlist_append(th_ptrlist_t *list, void *data)
736
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
701 {
752
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
702 if (list == NULL)
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
703 return THERR_NULLPTR;
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
704
736
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
705 if (list->nitems + 1 >= list->nallocated)
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
706 {
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
707 list->nallocated += list->ngrow;
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
708 if ((list->items = th_realloc(list->items, list->nallocated * sizeof(void *))) == NULL)
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
709 return THERR_MALLOC;
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
710 }
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
711
751
3091fd1987e9 Rename function argument.
Matti Hamalainen <ccr@tnsp.org>
parents: 736
diff changeset
712 list->items[list->nitems++] = data;
736
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
713
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
714 return THERR_OK;
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
715 }
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
716
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
717
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
718 void th_ptrlist_free(th_ptrlist_t *list, void (*mdeallocator)(void *data))
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
719 {
752
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
720 if (list != NULL)
736
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
721 {
752
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
722 if (mdeallocator != NULL)
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
723 {
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
724 for (size_t i = 0; i < list->nitems; i++)
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
725 mdeallocator(list->items[i]);
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
726 }
736
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
727
752
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
728 th_free(list->items);
736
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
729
752
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
730 if (list->is_allocated)
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
731 th_free(list);
3710c117b7c7 Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents: 751
diff changeset
732 }
736
ca837a4417f5 Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents: 735
diff changeset
733 }