From b295753888d25365090c4e8e0385c84103e67e85 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 21 May 2008 07:50:27 +0000
Subject: * array.c (rb_ary_compact_bang): avoid forceful realloc.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@16504 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 array.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'array.c')

diff --git a/array.c b/array.c
index 6fd7a75e0..f42eb9f82 100644
--- a/array.c
+++ b/array.c
@@ -2710,11 +2710,13 @@ rb_ary_compact_bang(VALUE ary)
 	if (NIL_P(*t)) t++;
 	else *p++ = *t++;
     }
-    if (RARRAY_LEN(ary) == (p - RARRAY_PTR(ary))) {
+    n = p - RARRAY_PTR(ary);
+    if (RARRAY_LEN(ary) == n) {
 	return Qnil;
     }
-    n = p - RARRAY_PTR(ary);
-    RESIZE_CAPA(ary, n);
+    if (n * 2 < ARY_CAPA(ary) && ARY_DEFAULT_SIZE * 2 < ARY_CAPA(ary)) {
+	RESIZE_CAPA(ary, ARY_DEFAULT_SIZE * 2);
+    }
     RARRAY(ary)->len = n;
 
     return ary;
-- 
cgit