aboutsummaryrefslogtreecommitdiff
path: root/fifoqueue.c
diff options
context:
space:
mode:
authorRobert Gustafsson <robg@student.chalmers.se>2017-09-28 14:25:01 +0200
committerRobert Gustafsson <robg@student.chalmers.se>2017-09-28 14:25:01 +0200
commit733ad771621e6a43866e9686481609ed9ce6f860 (patch)
tree8bdab7c7a6955e3762856f36bbe7d1b3709f6dff /fifoqueue.c
parent03bb5c1c6ddf0f6ea9ef3381769cc41969fc2a5d (diff)
downloadmidbro-733ad771621e6a43866e9686481609ed9ce6f860.tar.gz
midbro-733ad771621e6a43866e9686481609ed9ce6f860.tar.bz2
Some renaming
Diffstat (limited to 'fifoqueue.c')
-rw-r--r--fifoqueue.c82
1 files changed, 0 insertions, 82 deletions
diff --git a/fifoqueue.c b/fifoqueue.c
deleted file mode 100644
index 56b1dda..0000000
--- a/fifoqueue.c
+++ /dev/null
@@ -1,82 +0,0 @@
-#include "includes/fifoqueue.h"
-
- Fifo_q *
-init_queue(int size)
-{
- Fifo_q * q = (Fifo_q *) malloc(sizeof(Fifo_q));
- q->head = NULL;
- q->tail = NULL;
- q->maxSize = size;
- q->currentSize = 0;
- return q;
-}
-
- boolean
-is_full(Fifo_q * q)
-{
- if(q->currentSize < q->maxSize)
- return false;
- else
- return true;
-}
-
- boolean
-is_empty(Fifo_q * q)
-{
- if(q->head==NULL)
- return true;
- else
- return false;
-}
-
- int
-add_to_queue(Fifo_q * q, Sensor_t * sensor)
-{
- /* TODO delete first one if full */
- if(q == NULL){
- return -1;
- }
- else if(is_full(q)){
- return -1;
- }
- Queue_t * new_elem = (Queue_t *) malloc(sizeof(Queue_t *));
- new_elem->next = NULL;
- new_elem->sensor = sensor;
- if(is_empty(q))
- q->head = new_elem;
- else
- q->tail->next = new_elem;
- q->tail = new_elem;
- q->currentSize++;
- return 1;
-}
-
- Sensor_t *
-pop_from_queue(Fifo_q * q)
-{
- if(is_empty(q)){
- perror("The queue is empty");
- exit(-1);
- }
- Queue_t * head = q->head;
- q->head = q->head->next;
- Sensor_t * sensor = head->sensor;
- free(head);
- q->currentSize--;
- return sensor;
-}
-
- void
-print_queue(Fifo_q * q)
-{
- Queue_t * current = q->head;
- if(current == NULL){
- printf("The queue is empty!");
- return;
- }
- while(current != NULL){
- printf("sensor value=%d, sensor uid=%d\n",
- current->sensor->value, current->sensor->uid);
- current = current->next;
- }
-}