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.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

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

diff --git a/src/std/mem.c b/src/std/mem.c
index 5468898..4886d72 100644
--- a/src/std/mem.c
+++ b/src/std/mem.c
@@ -31,4 +31,11 @@ void arena_free_all(arena* a) {
   a->curr = a->begin;  // pop everything at once and reset to the start.
 }
 
-void arena_free_storage(arena* a) { free(a->begin); }
\ No newline at end of file
+void arena_free_storage(arena* a) { free(a->begin); }
+
+arena_save arena_savepoint(arena* a) {
+  arena_save savept = { .arena = a, .savepoint = a->curr };
+  return savept;
+}
+
+void arena_rewind(arena_save savepoint) { savepoint.arena->curr = savepoint.savepoint; }
\ No newline at end of file
-- 
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