first commitHEADmaster

1 files changed, 36 insertions, 0 deletions

diff --git a/src/basic/arena.h b/src/basic/arena.h
new file mode 100644
index 0000000..f13ccfa
--- /dev/null
+++ b/src/basic/arena.h
@@ -0,0 +1,36 @@
+#ifndef ARENA_H
+#define ARENA_H
+
+
+#include <basic/basic.h>
+
+typedef struct {
+    size_t size_used;
+    size_t size_max;
+    u8 *memory;
+} Arena;
+
+
+typedef struct {
+    Arena *arena;
+    u64 pos;
+} ArenaTmp;
+
+
+void    arena_init(Arena *arena, u64 size);
+void    arena_deinit(Arena *arena);
+
+void    arena_align(Arena *arena, u64 alignment);
+void*   arena_push(Arena *arena, u64 size);
+void    arena_pop_to(Arena *arena, u64 pos);
+void    arena_pop_size(Arena *arena, u64 size);
+
+void    arena_zero(Arena *arena);
+void    arena_clear(Arena *arena);
+
+
+ArenaTmp arena_tmp_begin(Arena *arena);
+void     arena_tmp_end(ArenaTmp tmp);
+
+
+#endif // MEM_ARENA_H