From aed7d1b7ac340c19656059c9cbd94aff40952f83 Mon Sep 17 00:00:00 2001
From: Omniscient <17525998+omnisci3nce@users.noreply.github.com>
Date: Fri, 3 May 2024 21:37:51 +1000
Subject: create logical device

---
 src/std/mem.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/std/mem.h')

diff --git a/src/std/mem.h b/src/std/mem.h
index 2f92894..bbfb852 100644
--- a/src/std/mem.h
+++ b/src/std/mem.h
@@ -18,9 +18,16 @@ typedef struct arena {
   char* end;
 } arena;
 
+typedef struct arena_save {
+  arena* arena;
+  char* savepoint;
+} arena_save;
+
 arena arena_create(void* backing_buffer, size_t capacity);
 void* arena_alloc(arena* a, size_t size);
 void* arena_alloc_align(arena* a, size_t size, size_t align);
 void arena_free_all(arena* a);
 void arena_free_storage(arena* a);
+arena_save arena_savepoint(arena* a);
+void arena_rewind(arena_save savepoint);
 // TODO: arena_resize
\ No newline at end of file
-- 
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