Files
C-Macro-Collections/examples/iterators/queue.c
T
2019-11-22 00:11:01 -08:00

62 lines
1.3 KiB
C

/**
* queue.c
*
* Creation Date: 11/04/2019
*
* Authors:
* Leonardo Vencovsky (https://github.com/LeoVen)
*
*/
#include "cmc/queue.h"
#include <stdio.h>
CMC_GENERATE_QUEUE(q, queue, int)
typedef struct queue queue;
typedef struct queue_iter queue_iter;
int main(int argc, char const *argv[])
{
// Initialize queue and add some elements
queue *q = q_new(10);
for (int i = 0; i < 10; i++)
q_enqueue(q, i);
// Initialize iterator
queue_iter iter;
q_iter_init(&iter, q);
// Make the iterator go back and forward
for (int j = 0; j < 4; j++)
{
while (!q_iter_end(&iter))
{
printf("C[%2d] = %2d\n", q_iter_index(&iter), q_iter_value(&iter));
q_iter_next(&iter);
}
printf("\n");
while (!q_iter_start(&iter))
{
printf("C[%2d] = %2d\n", q_iter_index(&iter), q_iter_value(&iter));
q_iter_prev(&iter);
}
printf("\n\n");
}
for (q_iter_to_start(&iter); !q_iter_end(&iter); q_iter_next(&iter))
{
printf("Q[%2d] = %2d\n", q_iter_index(&iter), q_iter_value(&iter));
}
printf("\n");
for (q_iter_to_end(&iter); !q_iter_start(&iter); q_iter_prev(&iter))
{
printf("Q[%2d] = %2d\n", q_iter_index(&iter), q_iter_value(&iter));
}
q_free(q, NULL);
return 0;
}