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array.c
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#include <stdlib.h>
#include "array.h"
typedef struct Array {
size_t size;
Data* data;
FFree free_func;
} Array;
// create array
Array* array_create(size_t size, FFree f) {
Array* arr = (Array*)malloc(sizeof(Array));
if (arr == NULL) return NULL;
arr->size = size;
arr->data = (Data*)malloc(size * sizeof(Data));
if (arr->data == NULL) {
free(arr);
return NULL;
}
arr->free_func = f;
for (size_t i = 0; i < size; i++) {
arr->data[i] = 0;
}
return arr;
}
// delete array, free memory
void array_delete(Array* arr) {
if (arr == NULL) return;
if (arr->free_func != NULL) {
for (size_t i = 0; i < arr->size; i++) {
arr->free_func((void*)arr->data[i]);
}
}
free(arr->data);
free(arr);
}
// returns specified array element
Data array_get(const Array* arr, size_t index) {
if (arr == NULL || index >= arr->size) {
return 0;
}
return arr->data[index];
}
// sets the specified array element to the value
void array_set(Array* arr, size_t index, Data value) {
if (arr == NULL || index >= arr->size) return;
arr->data[index] = value;
}
// returns array size
size_t array_size(const Array* arr) {
if (arr == NULL) return 0;
return arr->size;
}