Fix uninitialized active field (#5)

Author: Helienzo

src/static_queue.c

@@ -33,18 +33,24 @@ int32_t staticQueueInit(staticQueue_t*     queue,
                         uint32_t           node_size,
                         staticQueueItem_t* first_item)
 {
+    if (queue_size == 0) {
+        return STATIC_QUEUE_INVALID;
+    }
+
     queue->head         = first_item;
     queue->tail         = first_item;
     queue->first_item   = first_item;
     queue->queue_length = queue_size;
 
     staticQueueItem_t* item = first_item;
     for (uint32_t i = 0; i < queue_size - 1; i++) {
+        item->active     = false;
         item->next       = (staticQueueItem_t*)((uint8_t*)item + node_size);
         item->next->last = item;
         item             = item->next;
     }
 
+    item->active     = false;
     first_item->last = item;
     item->next       = first_item;
 

src/static_queue.h

@@ -83,6 +83,7 @@ typedef enum {
     STATIC_QUEUE_FULL         = -401,
     STATIC_QUEUE_EMPTY        = -402,
     STATIC_QUEUE_NOT_IN_QUEUE = -403,
+    STATIC_QUEUE_INVALID      = -404,
 } queueErr_t;
 
 typedef enum {