Mercurial > hg > th-libs
annotate th_datastruct.c @ 628:140e2272471c
Add some error checking in th_ringbuf_new().
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Fri, 17 Jan 2020 19:22:04 +0200 |
parents | 964657ad0960 |
children | b695eb769e30 |
rev | line source |
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Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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1 /* |
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2 * Various data structure functions |
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3 * Programmed and designed by Matti 'ccr' Hamalainen |
553 | 4 * (C) Copyright 2002-2020 Tecnic Software productions (TNSP) |
269
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5 * |
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6 * Please read file 'COPYING' for information on license and distribution. |
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7 */ |
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8 #include "th_datastruct.h" |
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9 |
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10 /* |
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11 * Doubly linked list handling |
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12 * |
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13 * In this implementation first node's prev points to last node of the list, |
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14 * and last node's next is NULL. This way we can semi-efficiently traverse to |
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15 * beginning and end of the list, assuming user does not do weird things. |
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16 */ |
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17 th_llist_t * th_llist_new(void *data) |
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18 { |
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19 th_llist_t *res = th_malloc0(sizeof(th_llist_t)); |
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20 res->data = data; |
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21 return res; |
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22 } |
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23 |
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24 |
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25 void th_llist_free_func_node(th_llist_t *list, void (*freefunc)(th_llist_t *)) |
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26 { |
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27 th_llist_t *curr = list; |
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28 |
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29 while (curr != NULL) |
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30 { |
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31 th_llist_t *next = curr->next; |
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32 freefunc(curr); |
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33 curr = next; |
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34 } |
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35 } |
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36 |
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37 |
560
414755d33796
Rename th_llist_free_func() to th_llist_free_func_data() to make it a bit more clear what this function does.
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553
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38 void th_llist_free_func_data(th_llist_t *list, void (*freefunc)(void *data)) |
269
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39 { |
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40 th_llist_t *curr = list; |
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41 |
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42 while (curr != NULL) |
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43 { |
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44 th_llist_t *next = curr->next; |
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45 if (curr->data != NULL) |
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46 freefunc(curr->data); |
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47 th_free(curr); |
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48 curr = next; |
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49 } |
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50 } |
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51 |
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52 |
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53 void th_llist_free(th_llist_t *list) |
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54 { |
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55 th_llist_t *curr = list; |
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56 |
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57 while (curr != NULL) |
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58 { |
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59 th_llist_t *next = curr->next; |
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60 th_free(curr); |
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61 curr = next; |
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62 } |
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63 } |
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64 |
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65 |
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66 void th_llist_append_node(th_llist_t **list, th_llist_t *node) |
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67 { |
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68 if (*list != NULL) |
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69 { |
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70 node->prev = (*list)->prev; |
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71 (*list)->prev->next = node; |
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72 (*list)->prev = node; |
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73 (*list)->num++; |
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74 } |
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75 else |
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76 { |
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77 *list = node; |
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78 node->prev = node; |
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79 (*list)->num = 1; |
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80 } |
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81 |
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82 node->next = NULL; |
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83 } |
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84 |
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85 |
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86 th_llist_t *th_llist_append(th_llist_t **list, void *data) |
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87 { |
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88 th_llist_t *node = th_llist_new(data); |
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89 |
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90 th_llist_append_node(list, node); |
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91 |
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92 return node; |
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93 } |
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94 |
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95 |
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96 void th_llist_prepend_node(th_llist_t **list, th_llist_t *node) |
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97 { |
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98 if (*list != NULL) |
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99 { |
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100 node->prev = (*list)->prev; |
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101 node->next = *list; |
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102 (*list)->prev = node; |
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103 node->num = (*list)->num + 1; |
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104 *list = node; |
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105 } |
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106 else |
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107 { |
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108 *list = node->prev = node; |
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109 node->next = NULL; |
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110 (*list)->num = 1; |
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111 } |
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112 |
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113 } |
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114 |
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115 |
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116 th_llist_t *th_llist_prepend(th_llist_t **list, void *data) |
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117 { |
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118 th_llist_t *node = th_llist_new(data); |
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119 |
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120 th_llist_prepend_node(list, node); |
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121 |
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122 return node; |
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123 } |
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124 |
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125 /* |
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126 1) Remove a middle node |
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127 |
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128 node0->prev->next = node->next (node1) |
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129 node0->next->prev = node->prev (list) |
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130 |
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131 node2 <- list <=> node0 <=> node1 <=> node2 -> NULL |
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132 node2 <- list <=> node1 <=> node2 -> NULL |
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133 |
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134 2) Remove first node when many items |
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135 |
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136 |
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137 node2 <- list <=> node0 <=> node1 <=> node2 -> NULL |
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138 node2 <- node0 <=> node1 <=> node2 -> NULL |
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139 |
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140 *list = node0 |
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141 |
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142 3) Remove last node in list |
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143 |
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144 if (node->next == NULL) { |
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145 list->prev = node->prev; |
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146 node->prev->next = NULL; |
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147 } |
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148 |
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149 node2 <- list <=> node0 <=> node1 <=> node2 -> NULL |
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150 node1 <- list <=> node0 <=> node1 -> NULL |
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151 |
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152 4) Remove last |
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153 |
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154 list <- list -> NULL |
441
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155 |
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156 |
269
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157 */ |
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158 void th_llist_delete_node_fast(th_llist_t **list, th_llist_t *node) |
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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 void th_llist_delete_node(th_llist_t **list, th_llist_t *node) |
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190 { |
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191 th_llist_t *curr = *list; |
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192 |
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193 while (curr != NULL) |
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194 { |
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195 th_llist_t *next = curr->next; |
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196 if (curr == node) |
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197 { |
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198 th_llist_delete_node_fast(list, curr); |
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199 th_free(node); |
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200 break; |
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201 } |
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202 curr = next; |
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203 } |
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204 } |
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205 |
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206 |
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207 void th_llist_delete(th_llist_t **list, const void *data) |
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208 { |
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209 th_llist_t *curr = *list; |
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210 |
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211 while (curr != NULL) |
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212 { |
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213 th_llist_t *next = curr->next; |
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214 if (curr->data == data) |
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215 { |
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216 th_llist_delete_node_fast(list, curr); |
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217 th_free(curr); |
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218 break; |
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219 } |
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220 curr = next; |
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221 } |
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222 } |
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223 |
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224 |
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225 th_llist_t * th_llist_get_nth(th_llist_t *list, const size_t n) |
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226 { |
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227 th_llist_t *curr = list; |
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228 size_t i; |
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229 |
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230 for (i = 0; curr != NULL && i < n; curr = curr->next, i++); |
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231 |
349
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232 return (i == n) ? curr : NULL; |
269
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233 } |
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234 |
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235 |
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236 size_t th_llist_length(const th_llist_t *list) |
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237 { |
348 | 238 return (list == NULL) ? 0 : list->num; |
269
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239 } |
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240 |
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241 |
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242 ssize_t th_llist_position(const th_llist_t *list, const th_llist_t *node) |
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243 { |
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244 const th_llist_t *curr = list; |
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245 ssize_t i = 0; |
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246 |
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247 while (curr != NULL) |
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248 { |
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249 if (curr == node) |
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250 return i; |
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251 else |
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252 i++; |
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253 |
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254 curr = curr->next; |
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255 } |
441
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256 |
269
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257 return -1; |
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258 } |
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259 |
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260 |
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261 void th_llist_foreach(th_llist_t *list, void (*func)(th_llist_t *node, void *userdata), void *data) |
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262 { |
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263 th_llist_t *curr = list; |
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264 |
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265 while (curr != NULL) |
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266 { |
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267 func(curr, data); |
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268 curr = curr->next; |
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269 } |
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270 } |
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271 |
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272 |
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273 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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274 { |
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275 th_llist_t *curr = list; |
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276 |
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277 while (curr != NULL) |
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278 { |
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279 int res = func(curr, data); |
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280 if (res != 0) |
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281 { |
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282 *ret = curr; |
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283 return res; |
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284 } |
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285 curr = curr->next; |
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286 } |
441
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287 |
269
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288 return 0; |
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289 } |
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290 |
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291 |
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292 th_llist_t * th_llist_find(th_llist_t *list, const void *data) |
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293 { |
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294 th_llist_t *curr = list; |
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295 |
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296 while (curr != NULL) |
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297 { |
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298 if (curr->data == data) |
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299 return curr; |
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300 curr = curr->next; |
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301 } |
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302 |
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303 return NULL; |
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304 } |
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305 |
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306 |
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307 th_llist_t * th_llist_find_func(th_llist_t *list, const void *userdata, int (compare)(const void *, const void *)) |
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308 { |
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309 th_llist_t *curr = list; |
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310 |
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311 while (curr != NULL) |
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312 { |
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313 if (compare(curr->data, userdata) == 0) |
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314 return curr; |
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315 curr = curr->next; |
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316 } |
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317 |
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318 return NULL; |
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319 } |
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320 |
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321 |
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322 /* |
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323 * Ringbuffers |
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324 */ |
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325 th_ringbuf_t * th_ringbuf_new(const size_t size, void (*mdeallocator)(void *data)) |
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326 { |
628
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327 th_ringbuf_t *res; |
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328 |
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329 // Must have at least 2 elements |
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330 if (size < 2) |
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331 return NULL; |
441
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332 |
628
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333 if ((res = th_malloc0(sizeof(th_ringbuf_t))) == NULL) |
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334 return NULL; |
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335 |
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336 if ((res->data = (char **) th_calloc(size, sizeof(char *))) == NULL) |
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337 { |
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338 th_free(res); |
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339 return NULL; |
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340 } |
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341 |
269
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342 res->size = size; |
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343 res->n = 0; |
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344 res->deallocator = mdeallocator; |
441
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345 |
269
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346 return res; |
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347 } |
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348 |
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349 |
457
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350 BOOL th_ringbuf_grow(th_ringbuf_t *buf, const size_t n) |
269
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351 { |
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352 buf->data = (char **) th_realloc(buf->data, (buf->size + n) * sizeof(char *)); |
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353 if (buf->data != NULL) |
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354 { |
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355 memset(buf->data + buf->size, 0, sizeof(char *) * n); |
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356 buf->size += n; |
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357 return TRUE; |
627 | 358 } |
359 else | |
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360 return FALSE; |
269
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361 } |
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362 |
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363 |
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364 void th_ringbuf_free(th_ringbuf_t *buf) |
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365 { |
626
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366 for (size_t i = 0; i < buf->size; i++) |
269
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367 { |
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368 if (buf->data[i] != NULL) |
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369 buf->deallocator(buf->data[i]); |
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370 } |
441
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371 |
269
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372 th_free(buf->data); |
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373 th_free(buf); |
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374 } |
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375 |
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376 |
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377 void th_ringbuf_add(th_ringbuf_t *buf, void *ptr) |
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378 { |
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379 if (buf->n < buf->size) |
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380 buf->n++; |
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381 |
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382 th_free(buf->data[0]); |
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383 memmove(&(buf->data[0]), &(buf->data[1]), (buf->size - 1) * sizeof(void *)); |
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384 buf->data[buf->size - 1] = ptr; |
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385 } |
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386 |
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387 |
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388 /* |
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389 * Growing buffer |
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390 */ |
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391 void th_growbuf_clear(th_growbuf_t *buf) |
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392 { |
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393 // Simply reset the current "length" |
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394 buf->len = 0; |
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395 } |
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396 |
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397 |
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398 void th_growbuf_init(th_growbuf_t *buf, const size_t mingrow) |
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399 { |
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400 // Initialize the buffer structure |
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401 memset(buf, 0, sizeof(th_growbuf_t)); |
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402 buf->mingrow = mingrow; |
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403 } |
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404 |
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405 |
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406 th_growbuf_t *th_growbuf_new(const size_t mingrow) |
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407 { |
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408 th_growbuf_t *buf; |
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409 |
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410 if ((buf = th_malloc(sizeof(th_growbuf_t))) == NULL) |
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411 return NULL; |
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412 |
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413 th_growbuf_init(buf, mingrow); |
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414 buf->allocated = TRUE; |
269
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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 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
|
417 } |
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 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
420 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
|
421 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
422 th_free(buf->data); |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
423 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
424 if (buf->allocated) |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
425 th_free(buf); |
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 |
464 | 429 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
|
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 if (buf == NULL) |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
432 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
|
433 |
464 | 434 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
|
435 { |
464 | 436 buf->size += amount + (buf->mingrow > 0 ? buf->mingrow : TH_BUFGROW); |
437 if ((buf->data = th_realloc(buf->data, buf->size)) == NULL) | |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
438 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
|
439 } |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
440 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
|
441 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
442 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
443 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
444 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
|
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 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
|
447 if (str == NULL) |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
448 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
|
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 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
|
451 if (!th_growbuf_grow(buf, slen + 1)) |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
452 return FALSE; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
453 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
454 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
|
455 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
|
456 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
457 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
|
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 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
461 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
|
462 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
463 if (!th_growbuf_grow(buf, sizeof(char))) |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
464 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
|
465 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
466 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
|
467 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
468 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
|
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 |
464 | 472 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
|
473 { |
464 | 474 if (str == NULL) |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
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 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
477 if (!th_growbuf_grow(buf, len + 1)) |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
478 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
|
479 |
464 | 480 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
|
481 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
|
482 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
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 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
487 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
|
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 if (!th_growbuf_grow(buf, sizeof(uint8_t))) |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
490 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
|
491 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
492 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
|
493 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
494 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
|
495 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
496 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
497 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
498 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
|
499 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
500 if (!th_growbuf_grow(buf, sizeof(uint16_t))) |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
501 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
|
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 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
|
504 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
|
505 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
506 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
|
507 } |
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 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
510 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
|
511 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
512 if (!th_growbuf_grow(buf, sizeof(uint16_t))) |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
513 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
|
514 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
515 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
|
516 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
|
517 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
518 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
|
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 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
521 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
522 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
|
523 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
524 if (!th_growbuf_grow(buf, sizeof(uint32_t))) |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
525 return FALSE; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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526 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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parents:
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527 buf->data[buf->len++] = (val >> 24) & 0xff; |
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Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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528 buf->data[buf->len++] = (val >> 16) & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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parents:
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529 buf->data[buf->len++] = (val >> 8) & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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parents:
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530 buf->data[buf->len++] = val & 0xff; |
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Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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531 |
457
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532 return TRUE; |
269
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533 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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534 |
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535 |
457
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536 BOOL th_growbuf_put_u32_le(th_growbuf_t *buf, const uint32_t val) |
269
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Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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537 { |
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Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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538 if (!th_growbuf_grow(buf, sizeof(uint32_t))) |
457
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539 return FALSE; |
269
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Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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|
540 |
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Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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|
541 buf->data[buf->len++] = val & 0xff; |
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Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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542 buf->data[buf->len++] = (val >> 8) & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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diff
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543 buf->data[buf->len++] = (val >> 16) & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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544 buf->data[buf->len++] = (val >> 24) & 0xff; |
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Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
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diff
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|
545 |
457
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454
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546 return TRUE; |
269
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547 } |
271
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548 |
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549 |
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550 /* |
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551 * Simple legacy string growing buffer |
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552 */ |
457
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553 BOOL th_strbuf_grow(char **buf, size_t *bufsize, size_t *len, size_t grow) |
271
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554 { |
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555 if (*buf == NULL) |
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Oops, forgot to move th_strbuf_* functions into datastruct module.
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556 *bufsize = *len = 0; |
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Oops, forgot to move th_strbuf_* functions into datastruct module.
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diff
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|
557 |
2f067fbf6f13
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558 if (*buf == NULL || *len + grow >= *bufsize) |
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diff
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|
559 { |
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diff
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|
560 *bufsize += grow + TH_BUFGROW; |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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parents:
269
diff
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|
561 *buf = th_realloc(*buf, *bufsize); |
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Oops, forgot to move th_strbuf_* functions into datastruct module.
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diff
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|
562 if (*buf == NULL) |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
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|
563 return FALSE; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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diff
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|
564 } |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
565 return TRUE; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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parents:
269
diff
changeset
|
566 } |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
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|
567 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
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|
568 |
581
935ee9a9f631
Change 'ch' argument of th_strbuf_putch from char to uint8_t.
Matti Hamalainen <ccr@tnsp.org>
parents:
560
diff
changeset
|
569 BOOL th_strbuf_putch(char **buf, size_t *bufsize, size_t *len, const uint8_t ch) |
271
2f067fbf6f13
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parents:
269
diff
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|
570 { |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
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269
diff
changeset
|
571 if (!th_strbuf_grow(buf, bufsize, len, 1)) |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
572 return FALSE; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
573 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
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|
574 (*buf)[*len] = ch; |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
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|
575 (*len)++; |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
576 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
577 return TRUE; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
578 } |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
579 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
580 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
581 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
|
582 { |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
583 if (str == NULL) |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
584 return FALSE; |
445
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
585 |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
586 if (!th_strbuf_grow(buf, bufsize, len, slen + 1)) |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
587 return FALSE; |
445
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
588 |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
589 memcpy(*buf + *len, str, slen); |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
590 (*len) += slen; |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
591 *(buf + *len + slen) = 0; |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
592 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
593 return TRUE; |
445
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
594 } |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
595 |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
596 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
597 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
|
598 { |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
599 size_t slen; |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
600 if (str == NULL) |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
601 return FALSE; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
602 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
603 slen = strlen(str); |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
604 if (!th_strbuf_grow(buf, bufsize, len, slen + 1)) |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
605 return FALSE; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
606 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
607 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
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|
608 (*len) += slen; |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
609 |
457
85fa3d333556
Actually, revert the boolean changes .. meh.
Matti Hamalainen <ccr@tnsp.org>
parents:
454
diff
changeset
|
610 return TRUE; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
611 } |