1 files changed, 31 insertions, 0 deletions

diff --git a/source/base/base_arena.h b/source/base/base_arena.h
new file mode 100755
index 0000000..dc6dd73
--- /dev/null
+++ b/source/base/base_arena.h
@@ -0,0 +1,31 @@
+#ifndef BASE_ARENA_H
+#define BASE_ARENA_H
+
+#define Align(pointer, alignment) align((u64)(pointer), (umm)(alignment))
+#define PushStruct(arena, type) (type *)arena_alloc((arena), sizeof(type), 0)
+#define PushStructZero(arena, type) (type *)arena_alloc((arena), sizeof(type), 1)
+#define PushArray(arena, type, len) (type *)arena_alloc((arena), sizeof(type) * (len), 0)
+#define PushArrayZero(arena, type, len) (type *)arena_alloc((arena), sizeof(type) * (len), 1)
+
+#define KiB(n) (((u64)(n)) << 10)
+#define MiB(n) (((u64)(n)) << 20)
+#define GiB(n) (((u64)(n)) << 30)
+
+
+typedef struct mem_arena  mem_arena;
+struct mem_arena
+{
+    u64 current_position;
+    u64 previous_position;
+    u64 capacity;
+    u8 *base_position;
+};
+
+typedef struct temp_arena temp_arena;
+struct temp_arena
+{
+    mem_arena *arena;
+    u64        start_position;
+};
+
+#endif /* BASE_ARENA_H */