From ea6230e90cfadaa2bbb3d6feca774a8e79b01952 Mon Sep 17 00:00:00 2001
From: Yuichi Nishiwaki <yuichi.nishiwaki@gmail.com>
Date: Tue, 15 Oct 2013 23:28:23 +0900
Subject: [PATCH] configurable stack size

---
 include/picconf.h | 1 +
 src/state.c       | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/picconf.h b/include/picconf.h
index da97cad5..a609439d 100644
--- a/include/picconf.h
+++ b/include/picconf.h
@@ -3,6 +3,7 @@
 
 #define PIC_ARENA_SIZE 100
 #define PIC_HEAP_SIZE 8192
+#define PIC_STACK_SIZE 1024
 
 #define DEBUG 1
 
diff --git a/src/state.c b/src/state.c
index d6111bfa..3e7b1565 100644
--- a/src/state.c
+++ b/src/state.c
@@ -26,8 +26,8 @@ pic_open()
   pic = (pic_state *)malloc(sizeof(pic_state));
 
   /* prepare VM stack */
-  pic->stbase = pic->sp = (pic_value *)malloc(sizeof(pic_value) * 1024);
-  pic->stend = pic->stbase + 1024;
+  pic->stbase = pic->sp = (pic_value *)malloc(sizeof(pic_value) * PIC_STACK_SIZE);
+  pic->stend = pic->stbase + PIC_STACK_SIZE;
 
   /* memory heap */
   pic->heap = (struct heap_page *)malloc(sizeof(struct heap_page));