Initial commit

This is working repository now. I had to clean this up due to
my f_ups, that made this simple repo around 200MB large.

Signed-off-by: Piotr Krygier <piotrkrygier@everyonecancode@xyz>

utilities/stack.h

@@ -0,0 +1,45 @@
+/**
+ * @file stack.h
+ * @author Piotr Krygier (everyonecancode@gmail.com)
+ * @brief
+ * @version 0.1
+ * @date 2024-05-01
+ *
+ * @copyright Copyright (c) 2024
+ *
+ */
+
+#ifndef STACK_H
+#define STACK_H
+
+#define RSE_STACK_DEFINE(name, type, size) \
+    struct name { \
+        type data[size]; \
+        int top; \
+    }
+
+#define RSE_STACK_PUSH(stack, value) \
+    stack.data[++stack.top] = value
+
+#define RSE_STACK_POP(stack) \
+    stack.data[stack.top--]
+
+#define RSE_STACK_TOP(stack) \
+    stack.data[stack.top]
+
+#define RSE_STACK_IS_EMPTY(stack) \
+    (stack.top == -1)
+
+#define RSE_STACK_IS_FULL(stack, size) \
+    (stack.top == size - 1)
+
+#define RSE_STACK_INIT(stack) \
+    (stack.top = -1)
+
+#define RSE_STACK_SIZE(stack) \
+    (stack.top + 1)
+
+#define RSE_STACK_CLEAR(stack) \
+    (stack.top = -1)
+
+#endif // STACK_H