[Solved] Reading Multiple lines(different lengths) from file in c

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

typedef int Type;

typedef struct vector {
    size_t size;
    size_t capacity;
    Type *array;
} Vector;

Vector *vec_make(void){
    Vector *v = malloc(sizeof(*v));
    if(v){
        v->size = 0;
        v->capacity=16;
        v->array = malloc(v->capacity * sizeof(Type));
    }
    return v;
}

void vec_free(Vector *v){
    free(v->array);
    free(v);
}

void vec_add(Vector *v, Type value){
    v->array[v->size++] = value;
    if(v->size == v->capacity){
        Type *temp;
        temp = realloc(v->array, sizeof(Type)*(v->capacity += 16));
        if(!temp){
            perror("realloc at vec_add");
            vec_free(v);
            exit(-1);
        }
        v->array = temp;
    }
}

int main(int argc, char *argv[]){
    if(argc != 2){
        fprintf(stderr, "Usage : %s filename\n", argv[0]);
        exit(EXIT_FAILURE);
    }

    FILE *f = fopen(argv[1], "r");
    if(f == NULL){
        perror("fopen");
        exit(EXIT_FAILURE);
    }

    char line[4096];
    while(fgets(line, sizeof line, f)){
        static const char *delimiter = "[,] \t\n";
        Vector *v = vec_make();

        char *number = strtok(line, delimiter);//Format don't check
        for(; number; number = strtok(NULL, delimiter)){
            vec_add(v, atoi(number));
        }
        //some operation : print out
        int size = v->size;
        int *a = v->array;
        for(int i = 0; i < size; ++i){
            if(i)
                putchar(',');
            printf("%d", a[i]);
        }
        putchar('\n');
        vec_free(v);
    }
    fclose(f);
    return 0;
}

solved Reading Multiple lines(different lengths) from file in c