Include/Fledasty/Core/Queue.h

@@ -0,0 +1,43 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * -----------------------------------------------------------------------------
+ * File: Queue.h
+ * Description:
+ *  This file contains the Queue structure and the functions for modifying it.
+ *  It includes functions to Push, Pop, Peek and check if empty.
+ * 
+ * Author: Mineplay
+ * -----------------------------------------------------------------------------
+ */
+#ifndef FLEDASTY_QUEUE
+#define FLEDASTY_QUEUE
+
+#include <stddef.h>
+
+#include "../Utils/Error.h"
+
+typedef struct FledastyQueueNode {
+    void *value;
+    struct FledastyQueueNode *previous, *next;
+} FledastyQueueNode;
+
+typedef struct {
+    size_t size;
+    FledastyQueueNode *start, *end;
+} FledastyQueue;
+
+FledastyError fledasty_queue_initialize(FledastyQueue *new_queue);
+FledastyError fledasty_queue_destroy(FledastyQueue *current_queue);
+
+#endif

Include/Fledasty/Utils/Error.h

@@ -0,0 +1,32 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * -----------------------------------------------------------------------------
+ * File: Error.h
+ * Description:
+ *  This file contains the ErrorCode enum that defines the error codes for the 
+ *  library.
+ * 
+ * Author: Mineplay
+ * -----------------------------------------------------------------------------
+ */
+#ifndef FLEDASTY_ERROR
+#define FLEDASTY_ERROR
+
+typedef enum {
+    FLEDASTY_ERROR_NONE = 0,
+    FLEDASTY_ERROR_ALLOCATION = 1,
+    FLEDASTY_ERROR_INVALID_POINTER = 2,
+} FledastyError;
+
+#endif

Src/Core/Queue.c

@@ -0,0 +1,66 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * -----------------------------------------------------------------------------
+ * File: Main.c
+ * Description:
+ *  Executes all tests.
+ * 
+ * Author: Mineplay
+ * -----------------------------------------------------------------------------
+ */
+#include "../../Include/Fledasty/Core/Queue.h"
+
+#include <Hallocy/Core/Allocator.h>
+#include <Hallocy/Utils/Error.h>
+
+FledastyError fledasty_queue_initialize(FledastyQueue *new_queue) {
+    if (new_queue == NULL) {
+        return FLEDASTY_ERROR_INVALID_POINTER;
+    }
+
+    new_queue->size = 0;
+    new_queue->start = NULL;
+    new_queue->end = NULL;
+    
+    return FLEDASTY_ERROR_NONE;
+}
+
+FledastyError fledasty_queue_destroy(FledastyQueue *current_queue) {
+    if (current_queue == NULL) {
+        return FLEDASTY_ERROR_INVALID_POINTER;
+    }
+
+    FledastyQueueNode *previousNode = NULL;
+    FledastyQueueNode *current_node = current_queue->start;
+    while (current_node != NULL) {
+        previousNode = current_node;
+        current_node = current_node->next;
+
+        HallocyError error = hallocy_free(previousNode->value);
+        if (error != HALLOCY_ERROR_NONE) {
+            return FLEDASTY_ERROR_ALLOCATION;
+        }
+
+        error = hallocy_free(previousNode);
+        if (error != HALLOCY_ERROR_NONE) {
+            return FLEDASTY_ERROR_ALLOCATION;
+        }
+    }
+
+    current_queue->size = 0;
+    current_queue->start = NULL;
+    current_queue->end = NULL;
+
+    return FLEDASTY_ERROR_NONE;
+}

Tests/Main.c

@@ -20,8 +20,13 @@
  * -----------------------------------------------------------------------------
  */
 #include <stdio.h>
+#include <Fledasty/Core/Queue.h>
 
 int main() {
-    printf("Test\n");
+    FledastyQueue test_queue;
+    fledasty_queue_initialize(&test_queue);
+    fledasty_queue_destroy(&test_queue);
+
+    printf("Done\n");
     return 0;
 }