From f4867743524c37c14acdfb93caa874818cc6c101 Mon Sep 17 00:00:00 2001
From: Yukihiro Matz Matsumoto <matz@ruby-lang.org>
Date: Fri, 7 Dec 2012 15:57:40 +0900
Subject: refactor and move irep malloc away to mrb_add_irep()

---
 src/state.c | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

(limited to 'src/state.c')

diff --git a/src/state.c b/src/state.c
index 106ab2aa3..c1ad4c6ad 100644
--- a/src/state.c
+++ b/src/state.c
@@ -109,20 +109,23 @@ mrb_close(mrb_state *mrb)
   mrb_free(mrb, mrb);
 }
 
-void
-mrb_add_irep(mrb_state *mrb, int idx)
+mrb_irep*
+mrb_add_irep(mrb_state *mrb)
 {
+  static const mrb_irep mrb_irep_zero = { 0 };
+  mrb_irep *irep;
+
   if (!mrb->irep) {
     int max = 256;
 
-    if (idx > max) max = idx+1;
+    if (mrb->irep_len > max) max = mrb->irep_len+1;
     mrb->irep = (mrb_irep **)mrb_calloc(mrb, max, sizeof(mrb_irep*));
     mrb->irep_capa = max;
   }
-  else if (mrb->irep_capa <= idx) {
+  else if (mrb->irep_capa <= mrb->irep_len) {
     int i;
     size_t old_capa = mrb->irep_capa;
-    while (mrb->irep_capa <= idx) {
+    while (mrb->irep_capa <= mrb->irep_len) {
       mrb->irep_capa *= 2;
     }
     mrb->irep = (mrb_irep **)mrb_realloc(mrb, mrb->irep, sizeof(mrb_irep*)*mrb->irep_capa);
@@ -130,6 +133,12 @@ mrb_add_irep(mrb_state *mrb, int idx)
       mrb->irep[i] = NULL;
     }
   }
+  irep = (mrb_irep *)mrb_malloc(mrb, sizeof(mrb_irep));
+  *irep = mrb_irep_zero;
+  mrb->irep[mrb->irep_len] = irep;
+  irep->idx = mrb->irep_len++;
+
+  return irep;
 }
 
 mrb_value
-- 
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