Mercurial > hg > th-libs
annotate th_datastruct.c @ 755:3f84521fdd31
Urgh. Fix previous commit.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Wed, 01 Feb 2023 13:17:26 +0200 |
parents | d91d1174cfd8 |
children | 4bd82aca5e98 |
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 |
726 | 4 * (C) Copyright 2002-2022 Tecnic Software productions (TNSP) |
269
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5 * |
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6 * Please read file 'COPYING' for information on license and distribution. |
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7 */ |
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8 #include "th_datastruct.h" |
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9 |
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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
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38 void th_llist_free_func_data(th_llist_t *list, void (*freefunc)(void *data)) |
269
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39 { |
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40 th_llist_t *curr = list; |
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41 |
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42 while (curr != NULL) |
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43 { |
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44 th_llist_t *next = curr->next; |
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45 if (curr->data != NULL) |
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46 freefunc(curr->data); |
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47 th_free(curr); |
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48 curr = next; |
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49 } |
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50 } |
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51 |
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52 |
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53 void th_llist_free(th_llist_t *list) |
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54 { |
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55 th_llist_t *curr = list; |
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56 |
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57 while (curr != NULL) |
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58 { |
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59 th_llist_t *next = curr->next; |
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60 th_free(curr); |
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61 curr = next; |
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62 } |
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63 } |
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64 |
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65 |
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66 void th_llist_append_node(th_llist_t **list, th_llist_t *node) |
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67 { |
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68 if (*list != NULL) |
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69 { |
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70 node->prev = (*list)->prev; |
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71 (*list)->prev->next = node; |
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72 (*list)->prev = node; |
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73 (*list)->num++; |
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74 } |
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75 else |
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76 { |
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77 *list = node; |
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78 node->prev = node; |
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79 (*list)->num = 1; |
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80 } |
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81 |
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82 node->next = NULL; |
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83 } |
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84 |
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85 |
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86 th_llist_t *th_llist_append(th_llist_t **list, void *data) |
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87 { |
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88 th_llist_t *node = th_llist_new(data); |
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89 |
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90 th_llist_append_node(list, node); |
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91 |
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92 return node; |
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93 } |
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94 |
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95 |
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96 void th_llist_prepend_node(th_llist_t **list, th_llist_t *node) |
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97 { |
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98 if (*list != NULL) |
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99 { |
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100 node->prev = (*list)->prev; |
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101 node->next = *list; |
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102 (*list)->prev = node; |
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103 node->num = (*list)->num + 1; |
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104 *list = node; |
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105 } |
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106 else |
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107 { |
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108 *list = node->prev = node; |
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109 node->next = NULL; |
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110 (*list)->num = 1; |
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111 } |
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112 |
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113 } |
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114 |
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115 |
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116 th_llist_t *th_llist_prepend(th_llist_t **list, void *data) |
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117 { |
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118 th_llist_t *node = th_llist_new(data); |
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119 |
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120 th_llist_prepend_node(list, node); |
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121 |
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122 return node; |
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123 } |
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124 |
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125 /* |
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126 1) Remove a middle node |
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127 |
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128 node0->prev->next = node->next (node1) |
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129 node0->next->prev = node->prev (list) |
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130 |
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131 node2 <- list <=> node0 <=> node1 <=> node2 -> NULL |
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132 node2 <- list <=> node1 <=> node2 -> NULL |
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133 |
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134 2) Remove first node when many items |
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135 |
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136 |
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137 node2 <- list <=> node0 <=> node1 <=> node2 -> NULL |
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138 node2 <- node0 <=> node1 <=> node2 -> NULL |
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139 |
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140 *list = node0 |
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141 |
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142 3) Remove last node in list |
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143 |
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144 if (node->next == NULL) { |
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145 list->prev = node->prev; |
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146 node->prev->next = NULL; |
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147 } |
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148 |
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149 node2 <- list <=> node0 <=> node1 <=> node2 -> NULL |
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150 node1 <- list <=> node0 <=> node1 -> NULL |
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151 |
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152 4) Remove last |
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153 |
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154 list <- list -> NULL |
441
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155 |
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156 |
269
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157 */ |
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158 void th_llist_delete_node(th_llist_t **list, th_llist_t *node) |
269
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159 { |
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160 if (node == *list) |
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161 { |
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162 // First node in list |
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163 th_llist_t *tmp = (*list)->next; |
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164 if (tmp != NULL) |
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165 { |
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166 tmp->num = (*list)->num - 1; |
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167 tmp->prev = (*list)->prev; |
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168 } |
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169 *list = tmp; |
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170 } |
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171 else |
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172 { |
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173 // Somewhere in middle or end |
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174 if (node->prev != NULL) |
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175 node->prev->next = node->next; |
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176 |
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177 if (node->next != NULL) |
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178 node->next->prev = node->prev; |
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179 else |
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180 (*list)->prev = node; // Last node |
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181 |
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182 (*list)->num--; |
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183 } |
441
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184 |
269
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185 node->next = node->prev = NULL; |
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186 } |
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187 |
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188 |
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189 th_llist_t * th_llist_get_nth(th_llist_t *list, const size_t n) |
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190 { |
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191 th_llist_t *curr = list; |
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192 size_t i; |
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193 |
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194 for (i = 0; curr != NULL && i < n; curr = curr->next, i++); |
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195 |
349
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196 return (i == n) ? curr : NULL; |
269
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197 } |
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198 |
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199 |
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200 size_t th_llist_length(const th_llist_t *list) |
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201 { |
348 | 202 return (list == NULL) ? 0 : list->num; |
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203 } |
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204 |
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205 |
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206 ssize_t th_llist_position(const th_llist_t *list, const th_llist_t *node) |
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207 { |
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208 const th_llist_t *curr = list; |
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209 ssize_t i = 0; |
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210 |
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211 while (curr != NULL) |
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212 { |
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213 if (curr == node) |
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214 return i; |
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215 else |
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216 i++; |
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217 |
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218 curr = curr->next; |
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219 } |
441
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220 |
269
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221 return -1; |
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222 } |
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223 |
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224 |
754
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225 void th_llist_reverse(th_llist_t **list) |
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226 { |
755 | 227 th_llist_t |
228 *f_curr = *list, *f_prev = NULL, | |
229 *b_curr = *list, *b_prev = NULL; | |
754
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230 |
755 | 231 if (b_curr != NULL) |
232 b_prev = b_curr->prev; | |
233 | |
234 while (f_curr != NULL) | |
754
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235 { |
755 | 236 th_llist_t |
237 *f_next = f_curr->next, | |
238 *b_next = b_curr->prev; | |
239 | |
240 f_curr->next = f_prev; | |
241 f_prev = f_curr; | |
242 f_curr = f_next; | |
243 | |
244 b_curr->prev = b_prev; | |
245 b_prev = b_curr; | |
246 b_curr = b_next; | |
754
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247 } |
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248 |
755 | 249 *list = f_prev; |
250 if (b_curr != NULL) | |
251 b_curr->prev = b_prev; | |
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252 } |
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253 |
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254 |
269
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255 void th_llist_foreach(th_llist_t *list, void (*func)(th_llist_t *node, void *userdata), void *data) |
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256 { |
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257 th_llist_t *curr = list; |
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258 |
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259 while (curr != NULL) |
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260 { |
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261 func(curr, data); |
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262 curr = curr->next; |
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263 } |
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264 } |
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265 |
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266 |
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267 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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268 { |
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269 th_llist_t *curr = list; |
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270 |
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271 while (curr != NULL) |
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272 { |
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273 int res = func(curr, data); |
670 | 274 if (res != THERR_OK) |
269
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275 { |
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276 *ret = curr; |
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277 return res; |
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278 } |
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279 curr = curr->next; |
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280 } |
441
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281 |
670 | 282 return THERR_OK; |
269
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283 } |
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284 |
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285 |
753
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286 th_llist_t * th_llist_find_data(th_llist_t *list, const void *data) |
269
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287 { |
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288 th_llist_t *curr = list; |
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289 |
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290 while (curr != NULL) |
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291 { |
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292 if (curr->data == data) |
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293 return curr; |
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294 curr = curr->next; |
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295 } |
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296 |
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297 return NULL; |
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298 } |
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299 |
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300 |
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301 th_llist_t * th_llist_find_func(th_llist_t *list, const void *userdata, int (compare)(const void *, const void *)) |
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302 { |
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303 th_llist_t *curr = list; |
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304 |
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305 while (curr != NULL) |
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306 { |
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307 if (compare(curr->data, userdata) == 0) |
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308 return curr; |
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309 curr = curr->next; |
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310 } |
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311 |
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312 return NULL; |
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313 } |
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314 |
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315 |
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316 /* |
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317 * Ringbuffers |
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318 */ |
631
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319 int th_ringbuf_init(th_ringbuf_t *buf, const size_t size, void (*mdeallocator)(void *data)) |
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320 { |
731
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321 memset(buf, 0, sizeof(*buf)); |
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322 |
631
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323 // Must have at least 2 elements |
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324 if (size < 2) |
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325 return THERR_BOUNDS; |
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326 |
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327 if ((buf->data = th_calloc(size, sizeof(void *))) == NULL) |
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328 return THERR_MALLOC; |
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329 |
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330 buf->size = size; |
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331 buf->n = 0; |
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332 buf->deallocator = mdeallocator; |
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333 |
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334 return THERR_OK; |
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335 } |
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336 |
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337 |
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338 int th_ringbuf_new(th_ringbuf_t **buf, const size_t size, void (*mdeallocator)(void *data)) |
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339 { |
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340 int res; |
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341 |
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342 if ((*buf = th_malloc0(sizeof(th_ringbuf_t))) == NULL) |
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343 return THERR_MALLOC; |
441
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344 |
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345 if ((res = th_ringbuf_init(*buf, size, mdeallocator)) != THERR_OK) |
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346 { |
732 | 347 th_free(*buf); |
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348 return res; |
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349 } |
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350 |
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351 (*buf)->is_allocated = true; |
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352 |
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353 return THERR_OK; |
269
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354 } |
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355 |
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356 |
632
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357 int th_ringbuf_grow(th_ringbuf_t *buf, const size_t nadd) |
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358 { |
632
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359 if (buf == NULL) |
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360 return THERR_NULLPTR; |
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361 |
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362 buf->data = (void **) th_realloc(buf->data, (buf->size + nadd) * sizeof(void *)); |
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363 if (buf->data == NULL) |
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364 return THERR_MALLOC; |
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365 |
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366 memset(buf->data + buf->size, 0, sizeof(void *) * nadd); |
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367 buf->size += nadd; |
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368 |
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369 return THERR_OK; |
269
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370 } |
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371 |
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372 |
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373 void th_ringbuf_free(th_ringbuf_t *buf) |
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374 { |
752
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375 if (buf != NULL) |
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376 { |
752
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377 for (size_t i = 0; i < buf->size; i++) |
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378 { |
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379 buf->deallocator(buf->data[i]); |
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380 } |
441
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381 |
752
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382 th_free(buf->data); |
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383 |
752
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384 if (buf->is_allocated) |
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385 th_free(buf); |
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386 } |
269
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387 } |
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388 |
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389 |
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390 void th_ringbuf_add(th_ringbuf_t *buf, void *ptr) |
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391 { |
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392 if (buf->n < buf->size) |
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393 buf->n++; |
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394 |
730
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395 buf->deallocator(buf->data[0]); |
269
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396 memmove(&(buf->data[0]), &(buf->data[1]), (buf->size - 1) * sizeof(void *)); |
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397 buf->data[buf->size - 1] = ptr; |
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398 } |
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399 |
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400 |
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|
401 /* |
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402 * Growing buffer |
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403 */ |
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|
404 void th_growbuf_clear(th_growbuf_t *buf) |
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405 { |
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406 // Simply reset the current "length" |
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|
407 buf->len = 0; |
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|
408 } |
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|
409 |
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|
410 |
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changeset
|
411 void th_growbuf_init(th_growbuf_t *buf, const size_t mingrow) |
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|
412 { |
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|
413 // Initialize the buffer structure |
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|
414 memset(buf, 0, sizeof(th_growbuf_t)); |
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|
415 buf->mingrow = mingrow; |
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|
416 } |
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|
417 |
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|
418 |
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|
419 th_growbuf_t *th_growbuf_new(const size_t mingrow) |
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|
420 { |
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|
421 th_growbuf_t *buf; |
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|
422 |
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|
423 if ((buf = th_malloc(sizeof(th_growbuf_t))) == NULL) |
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|
424 return NULL; |
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|
425 |
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|
426 th_growbuf_init(buf, mingrow); |
735
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Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
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|
427 buf->is_allocated = true; |
269
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|
428 |
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|
429 return buf; |
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|
430 } |
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|
431 |
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|
432 |
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|
433 void th_growbuf_free(th_growbuf_t *buf) |
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|
434 { |
752
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|
435 if (buf != NULL) |
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|
436 { |
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|
437 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
|
438 |
752
3710c117b7c7
Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
751
diff
changeset
|
439 if (buf->is_allocated) |
3710c117b7c7
Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
751
diff
changeset
|
440 th_free(buf); |
3710c117b7c7
Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
751
diff
changeset
|
441 } |
269
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 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
444 |
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
|
445 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
|
446 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
447 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
|
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 |
464 | 450 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
|
451 { |
464 | 452 buf->size += amount + (buf->mingrow > 0 ? buf->mingrow : TH_BUFGROW); |
453 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
|
454 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
|
455 } |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
456 return 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
|
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 |
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
|
460 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
|
461 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
462 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
|
463 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
|
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 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
|
467 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
|
468 return false; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
469 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
470 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
|
471 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
|
472 |
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
|
473 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
|
474 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
475 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
476 |
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
|
477 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
|
478 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
479 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
|
480 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
|
481 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
482 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
|
483 |
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
|
484 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
|
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 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
487 |
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
|
488 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
|
489 { |
464 | 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 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
|
494 return false; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
495 |
464 | 496 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
|
497 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
|
498 |
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
|
499 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
|
500 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
501 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
502 |
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
|
503 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
|
504 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
505 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
|
506 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
|
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 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
|
509 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
510 return true; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
511 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
512 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
513 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
514 bool th_growbuf_put_u16_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
|
515 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
516 if (!th_growbuf_grow(buf, sizeof(uint16_t))) |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
517 return false; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
518 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
519 buf->data[buf->len++] = (val >> 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
|
520 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
|
521 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
522 return true; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
523 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
524 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
525 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
526 bool th_growbuf_put_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
|
527 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
528 if (!th_growbuf_grow(buf, sizeof(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
|
529 return false; |
269
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
530 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
531 buf->data[buf->len++] = val & 0xff; |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
532 buf->data[buf->len++] = (val >> 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
|
533 |
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
|
534 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
|
535 } |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
536 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
537 |
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
|
538 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
|
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 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
|
541 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
|
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 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
|
544 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
|
545 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
|
546 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
|
547 |
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
|
548 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
|
549 } |
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 |
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
|
552 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
|
553 { |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
554 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
|
555 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
|
556 |
fcbdc12f5866
Split data structures (linked lists, growbufs, ringbufs, etc.) code into th_datastruct.[ch] module.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
557 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
|
558 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
|
559 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
|
560 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
|
561 |
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
|
562 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
|
563 } |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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269
diff
changeset
|
564 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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269
diff
changeset
|
565 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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269
diff
changeset
|
566 /* |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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269
diff
changeset
|
567 * Simple legacy string growing buffer |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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269
diff
changeset
|
568 */ |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
569 bool th_strbuf_grow(char **buf, size_t *bufsize, size_t *len, size_t grow) |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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parents:
269
diff
changeset
|
570 { |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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parents:
269
diff
changeset
|
571 if (*buf == NULL) |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
572 *bufsize = *len = 0; |
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
changeset
|
574 if (*buf == NULL || *len + grow >= *bufsize) |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
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parents:
269
diff
changeset
|
575 { |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
576 *bufsize += grow + TH_BUFGROW; |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
577 *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
|
578 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
|
579 return false; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
580 } |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
581 return true; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
582 } |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
583 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
584 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
585 bool th_strbuf_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
|
586 { |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
587 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
|
588 return false; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
589 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
590 (*buf)[*len] = ch; |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
591 (*len)++; |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
592 |
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
|
593 return true; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
594 } |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
595 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
596 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
597 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
|
598 { |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
599 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
|
600 return false; |
445
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
601 |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
602 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
|
603 return false; |
445
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
604 |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
605 memcpy(*buf + *len, str, slen); |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
606 (*len) += slen; |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
607 *(buf + *len + slen) = 0; |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
608 |
735
31bc1ed07cf5
Renaming BOOL->bool and TRUE/FALSE to true/false, and using stdbool.h if available.
Matti Hamalainen <ccr@tnsp.org>
parents:
733
diff
changeset
|
609 return true; |
445
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
610 } |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
611 |
6d29aaeab290
Add new function th_strbuf_putsn().
Matti Hamalainen <ccr@tnsp.org>
parents:
441
diff
changeset
|
612 |
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
|
613 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
|
614 { |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
615 size_t slen; |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
616 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
|
617 return false; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
618 |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
619 slen = strlen(str); |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
620 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
|
621 return false; |
271
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 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
|
624 (*len) += slen; |
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
625 |
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
|
626 return true; |
271
2f067fbf6f13
Oops, forgot to move th_strbuf_* functions into datastruct module.
Matti Hamalainen <ccr@tnsp.org>
parents:
269
diff
changeset
|
627 } |
736
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
628 |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
629 |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
630 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
|
631 { |
752
3710c117b7c7
Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
751
diff
changeset
|
632 if (list == NULL) |
3710c117b7c7
Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
751
diff
changeset
|
633 return THERR_NULLPTR; |
3710c117b7c7
Add some NULL pointer checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
751
diff
changeset
|
634 |
736
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
635 memset(list, 0, sizeof(*list)); |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
636 |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
637 if (ngrow == 0) |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
638 return THERR_INVALID_ARGS; |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
639 |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
640 list->nitems = 0; |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
641 list->nallocated = ninitial; |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
642 list->ngrow = ngrow; |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
643 |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
644 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
|
645 return THERR_MALLOC; |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
646 |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
647 return THERR_OK; |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
648 } |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
649 |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
650 |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
Matti Hamalainen <ccr@tnsp.org>
parents:
735
diff
changeset
|
651 int th_ptrlist_new(th_ptrlist_t **list, const size_t ninitial, const size_t ngrow) |
ca837a4417f5
Add simple growing pointerlist data stucture implementation.
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652 { |
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653 int res; |
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654 |
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655 if (list == NULL) |
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656 return THERR_NULLPTR; |
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657 |
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658 if ((*list = th_malloc0(sizeof(th_ptrlist_t))) == NULL) |
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659 return THERR_MALLOC; |
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660 |
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661 if ((res = th_ptrlist_init(*list, ninitial, ngrow)) != THERR_OK) |
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662 { |
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663 th_free(*list); |
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664 return res; |
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665 } |
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666 |
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667 (*list)->is_allocated = true; |
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668 |
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669 return THERR_OK; |
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670 } |
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671 |
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672 |
751 | 673 int th_ptrlist_append(th_ptrlist_t *list, void *data) |
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674 { |
752
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675 if (list == NULL) |
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676 return THERR_NULLPTR; |
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677 |
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678 if (list->nitems + 1 >= list->nallocated) |
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679 { |
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680 list->nallocated += list->ngrow; |
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681 if ((list->items = th_realloc(list->items, list->nallocated * sizeof(void *))) == NULL) |
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682 return THERR_MALLOC; |
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683 } |
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684 |
751 | 685 list->items[list->nitems++] = data; |
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686 |
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687 return THERR_OK; |
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688 } |
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689 |
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690 |
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691 void th_ptrlist_free(th_ptrlist_t *list, void (*mdeallocator)(void *data)) |
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692 { |
752
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693 if (list != NULL) |
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694 { |
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695 if (mdeallocator != NULL) |
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696 { |
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697 for (size_t i = 0; i < list->nitems; i++) |
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698 mdeallocator(list->items[i]); |
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699 } |
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700 |
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701 th_free(list->items); |
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702 |
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703 if (list->is_allocated) |
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704 th_free(list); |
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705 } |
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706 } |