#include <stdlib.h>
#include <stdio.h>
enum { OLD_SIZE = 10, NEW_SIZE = 20 };
int *resize_array(int *array, size_t count) {
if (0 == count) {
return 0;
}
int *ret = (int *)realloc(array, count * sizeof(int));
if (!ret) {
free(array);
return 0;
}
return ret;
}
void func(void) {
int *array = (int *)malloc(OLD_SIZE * sizeof(int));
if (0 == array) {
}
for (size_t i = 0; i < OLD_SIZE; ++i) {
array[i] = i;
}
array = resize_array(array, NEW_SIZE);
if (0 == array) {
}
for (size_t i = 0; i < NEW_SIZE; ++i) {
printf("%d ", array[i]);
}
}