From 37263e50e5ad833d6d8faf4abf4c2616788446a1 Mon Sep 17 00:00:00 2001
From: Masaki Muranaka <monaka@monami-ya.jp>
Date: Mon, 18 Mar 2013 22:03:00 +0900
Subject: Remove mrb_checkstack() as unused.

---
 include/mruby.h | 1 -
 src/vm.c        | 7 -------
 2 files changed, 8 deletions(-)

diff --git a/include/mruby.h b/include/mruby.h
index 4e4751c38..84aeff0d7 100644
--- a/include/mruby.h
+++ b/include/mruby.h
@@ -209,7 +209,6 @@ mrb_state* mrb_open(void);
 mrb_state* mrb_open_allocf(mrb_allocf, void *ud);
 void mrb_irep_free(mrb_state*, struct mrb_irep*);
 void mrb_close(mrb_state*);
-int mrb_checkstack(mrb_state*,int);
 
 mrb_value mrb_top_self(mrb_state *);
 mrb_value mrb_run(mrb_state*, struct RProc*, mrb_value);
diff --git a/src/vm.c b/src/vm.c
index 611d9c224..2c579a01d 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -170,13 +170,6 @@ stack_extend(mrb_state *mrb, int room, int keep)
   }
 }
 
-int
-mrb_checkstack(mrb_state *mrb, int size)
-{
-  stack_extend(mrb, size+1, 1);
-  return 0;
-}
-
 struct REnv*
 uvenv(mrb_state *mrb, int up)
 {
-- 
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