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* Author Gustav Hartvigsson <gustav.hartvigsson _at_ gmail.com> 2014
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struct _DynamicArray {
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DynamicArray * dynamic_array_new (size_t len) {
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void * _private_for_each_item_free (DynamicArray * self, void * item,
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DynamicArray * dynamic_array_new (size_t len, FreeFunc free_func) {
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DynamicArray * self = malloc (sizeof(DynamicArray));
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self->max_size = len;
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self->array = malloc (len);
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self->free_func = free_func;
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self->array = malloc (len * sizeof (* self->array));
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void dynamic_array_free (DynamicArray * self) {
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if (self->free_func != NULL) {
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dynamic_array_for_each (self, (ForEachFunc) _private_for_each_item_free,
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for (int i = 0; i < self->len; i++) {
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free (self->array[i]);
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free (self->array);
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void dynamic_array_add (DynamicArray * self, void * data) {
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if (self->len >= self->max_size) {
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self->array = realloc (self->array, self->max_size + ARRAY_PADDING);
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if (self->len >= self->max_size - 1) {
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self->array = realloc (self->array,
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(sizeof (* self->array) *
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(self->max_size + ARRAY_PADDING)));
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self->max_size = self->max_size + ARRAY_PADDING;
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self->array[self->len + 1] = data;
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self->array[self->len] = data;
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void ** dynamic_array_dump_array (DynamicArray * self) {
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void ** ret_val = malloc (self->len + 1);
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for (int i = 0; i >= self->len; i++) {
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void ** ret_val = malloc (sizeof (* self->array) * (self->len + 1));
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for (int i = 0; i < self->len; i++) {
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ret_val[i] = self->array[i];
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ret_val[self->len + 1] = NULL;
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ret_val[self->len] = NULL;
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void dynamic_array_for_each (DynamicArray * self, ForEachFunc func,
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for (int i = 0; i <= self->len; i++) {
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for (int i = 0; i < self->len; i++) {
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func (self, self->array[i], data);
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void * _private_for_each_item_free (DynamicArray * self, void * item,
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FreeFunc func = self->free_func;