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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
struct va {
int n;
int nmax;
int *data;
};
void create_array(struct va *va, int nmax) {
va->n = 0;
va->nmax = nmax;
va->data = (int *) malloc(nmax * sizeof(int));
if(va->data == NULL)
// no space left to allocate data...
return;
}
void init_array(struct va *va, int n, int *src) {
if(n > va->nmax)
return;
va->n = n;
memcpy(va->data, src, n*sizeof(int));
}
void free_array(struct va *va) {
if(va->data)
free(va->data);
va->nmax = 0;
va->n = 0;
va->data = NULL;
}
int main(int argc, char *argv[]) {
struct va va;
int t[5] = {1,2,3,4,5};
int i;
create_array(&va, 12);
init_array(&va, 5, t);
for(i = 0; i < va.n; ++i) {
printf("%d\n", va.data[i]);
}
free_array(&va);
return 0;
}
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