ue1/A

#include <stdio.h>
#include <stdlib.h>

typedef enum error_e
{
 SUCCESS=0,
 NULL_POINTER_ERROR,
 ALLOC_FAILURE_ERROR,
 OUT_OF_RANGE_ERROR,
 DIMENSION_MISMATCH_ERROR

}error_t;

typedef struct vector_s
{
    double *values;
    long dim;
}vector_t;

error_t vector_allocate(vector_t *vec, long dim){

    if(dim<0) return DIMENSION_MISMATCH_ERROR;
    double *newvector;

    if((newvector = calloc(dim, sizeof(double)))==0)
    return ALLOC_FAILURE_ERROR;


    vec->values = newvector;
    vec->dim = dim;

    return SUCCESS;

}

error_t vector_clear(vector_t *vec){
    if(!(vec -> values)) return NULL_POINTER_ERROR;
    else{
    free(vec->values);
    vec ->values = 0;
    vec-> dim = 0;
    }

    return SUCCESS;

}

error_t vector_fill(vector_t *vec, double value, long index ){
    if(!(vec->values)) return NULL_POINTER_ERROR;
    if(index > vec->dim || index < 0) return OUT_OF_RANGE_ERROR;

    vec->values[index] = value;
    return SUCCESS;

}


error_t vector_print(vector_t *vec){
    long n;
        printf("[");
    for(n=0; n<(vec->dim); n++ ){
        if(n==(vec->dim)-1)     printf("%.1f" , vec->values[n]);
        else printf("%.1f, " , vec->values[n]);

    }
    printf("]");
    return SUCCESS ;

    }


int main() {

  vector_t vec1={NULL, 0};
  //vector_t vec2={NULL, 0};
  //vector_t vec3={NULL, 0};

  long i;
  long dimenzija;
  double vrijednost;
  int povratak;
  int pov2=0;
  //za prvi vektor
  printf("Koliko brojeva zelis unijeti? ");
  scanf("%ld", &dimenzija);
  povratak = vector_allocate(&vec1, dimenzija); //provjeravam jel alokacija ok
  printf("%d", povratak);
   for(i=0; i<dimenzija; i++){
   printf("Koji broj zelis unijeti na %ld mjesto ? ", i+1);
    scanf("%lf", &vrijednost);
    pov2 =pov2 + vector_fill(&vec1, vrijednost, i);
    }
     printf("%d", pov2); //provjeravam jel popunjavanje vektora ok

    vector_print(&vec1);
    vector_clear(&vec1);
    printf("SUPER "); //provjeravam jel stigne do kraja



    return 0;
}